Who is the "Grand Old Man of Dentistry?
Green Vardiman Black
Who was the first dentist to employ a dental assistant?
C. Edmund Kells
Who is Pierre Fauchard?
He originated the title of "surgeon dentist.
What is the nationally recognized credential of the dental assistant who has passed the 3 separate DANB certification examinations and keeps up current practice through continuing education?
CDA
Who is the founder of ADAA?
Juliette A. Southard
Which of the following are in the DANB examinations to become a CDA?
Radiology, infection control, general chairside
Professionalism is what distinguishes people who only "pursue a job" from those who
pursue a career.
Which dental specialist diagnoses and treats diseases of the pulp?
Endodontist
Which of the following members of the dental team is focused on tasks such as payroll
Business Administratiosn assistant
What is the term used when one chairside assistant works primarily with the dentist?
Four-handed dentistry
The recommended floor covering in the operatory or treatment room is:
tile
Which aspect of the dental assistant's stool could cause excessive leaning over the patient when the assistant is seated inappropriately?
arm rest
The dental assistant should initially position the operating light _________ the patient's __________.
on; chest
Which oral evacuation system is used for less invasive procedures?
salive ejector
The instrument used to harden dental materials is the
curing light
Posture affects the ability of the dental assistant to:
reach, hold, and use equipment.
When turning is necessary, the dental assistant should:
rotate the chair.
What is one of the most important factors in preventing carpal tunnel syndrome (CTS)?
frequently resting hands
To relieve eyestrain during a long procedure, for how many seconds should the dental assistant look up from a task?
20 seconds
Shoulder shrugging will help stretch __________ muscles.
shoulder
The recommended floor covering in the operatory or treatment room is:
vinyl
Which oral evacuation system is used for more invasive procedures?
HVE
The goal of ergonomics is to help people
stay healthy while performing their work more effectively.
The ideal working position for a dental assistant is
a neutral position sitting upright with body weight evenly distributed.
The first symptom of carpal tunnel syndrome (CTS) is often a(n)
painful tingling in one or both hands that occurs at night.
Prevention of carpal tunnel syndrome (CTS) can be accomplished by
Warming the muscles and joints of hands by slowly opening and closing hands.
Frequently resting the hands.
Holding one arm out in front of body with hand extended, then pulling back gently with fingers of other hand.
All the following specific areas of a dental office require privacy except the
sterilization area.
The control center of the clinical area in the dental treatment area is also called the
dental operatory.
Which form of delivery provides the dentist with the easiest access to the dental handpieces without twisting his or her body?
front
Water is removed from the patient's mouth by
salive ejector or HVE
The goal of the evening routine for clinical areas in a dental practice is
leaving the office ready for patient care in the morning.
How often should the tip of the air-water syringe be replaced?
between patients.
According to OSHA standards, the central sterilization area must be clearly divided into two sections called
contaminated and clean
A device used to triturate (mix) dental materials is called a(n)
amalgamator
The foot-controlled device that controls the speed of a dental handpiece is called a(n)
rheostate
The upright position is used for all the following except
restoration of caries
Model trimming, model pouring, and making bleaching trays are all procedures that take place in the
laboratory.
For better visibility, the dental assistant's stool is positioned ______ the operator's stool.
higher than
The part of a dental assistant's stool designed to help the user avoid lower back pain caused from leaning over during dental procedures is the
abdominal bar
An instrument used to harden or "cure" (polymerize) light-sensitive dental materials is a(n)
curing light
Why is it important to not touch a new halogen light bulb with bare fingers when an old treatment room light is being replaced?
The oil from the fingers will cause the bulb to overheat and break.
The administrative area is separate from the reception area and the clinical area to
be HIPAA compliant.
provide adequate patient privacy.
keep patient charts and information where other patients do not have access.
Who introduced the earliest belief that life was "spontaneously generated" from nonliving matter?
Aristotle
Which microorganism is known as the "perfect parasite" because of its ability to live inside cells of the host and produce 10,000 offspring in as quickly as 7 hours?
Viruses
Gram's stain technique requires the sequential use of a crystal violet dye, iodine solution, alcohol solution, and:
safranin dye.
Bacteria with a spherical shape are called:
Cocci.
1What type of microorganism is the most resistant form of life?
spore
What is the main preventive measure a dental care worker can take to avoid contracting the virus hepatitis B?
Immunization
What does the term percutaneous mean?
performed through the skin
What does Epstein-Barr virus cause?
Mononucleosis
What does HIV affect once it enters the body?
T-cells
The first stage of syphilis is the presentation of a painless, ulcerating sore known as a:
chancre
It is important for the dental assistant to have a foundation in microbiology to understand the nature of pathogens and to
know how to prevent disease transmission in the dental office.
Which of the following is the correct term used to describe microorganisms that produce disease in humans?
Pathogen
Which is the smallest of the major groups of microorganisms?
Viruses
Which of the following types of bacteria have a spherical shape?
Cocci
Bacteria that require oxygen to grow are called
aerobes
Which of the following is the most resistant form of life known?
spore
Which of the following is a group of one-celled organisms that lack chlorophyll?
Fungi
Oral candidiasis is an opportunistic infection caused by
Fungi
What is the name of a new and separate class of disease-producing molecules that are composed of proteins that lack nucleic acids?
DNA/RNA
General antibiotics are ineffective in preventing or curtailing
viral infections
Chemicals such as chlorine (bleach), iodine, phenol, and formaldehyde are
able to destroy viruses in the external environment.
Which of the following forms of hepatitis is spread through fecal-oral contamination?
Hepatitis A
Which of the following diseases is the leading cause of death worldwide?
Tuberculosis
Dental assistants should be immunized against which of the following viral infections?
Hepatitis B
Kill time for which of the following infectious agents is the benchmark for the effectiveness of a surface disinfectant?
Tuberculosis
Which of the following diseases infects T cells?
HIV
Which of the following types of bacteria have a rodlike shape?
Bacilli
Bacteria that do require oxygen in order to grow are called
aerobes
Which of the following types of bacteria normally live in the intestinal tract of insects?
rickettsiae
Which of the following types of microorganisms contain chlorophyll?
algae
A provirus is found when a virus establishes a(n) ______ state in a host cell.
virulent
What is the reason that methicillin-resistant Staphylococcus aureus (MRSA) has become a public health concern?
It causes an infection that is resistant to some antibiotics such as penicillin.
Which of the following types of viruses causes cold sores on the lips?
Herpes simplex virus type 1
Which of the following diseases is commonly known as lockjaw?
Tetanus
Which of the following diseases presents the highest risk to dental personnel?
Hepatitis B
Which type of microorganism causes chickenpox, shingles, measles, and herpes?
Herpesvirus
Which disease is caused by a spore-forming bacillus found in soil?
Tetanus
Which chemicals are capable of destroying viruses in an external environment?
Chlorine (bleach)
The link in the chain of infection that refers to the strength of the organism is the:
virulence.
A patient who had chickenpox as a child is now experiencing shingles (herpes zoster). This is an example of what type of infection?
latent
Using moisturizers to maintain healthy skin helps to prevent which type of disease transmission?
Splash or splatter
Aerosolized saliva, blood, or microorganisms created by use of the high-speed handpiece, air-water syringe, and ultrasonic scaler can contribute to which mode of disease transmission?
Airborne transmission
Which type of immunity is present at birth?
Inherited immunity
Leaving the dental office wearing contaminated attire and then hugging another person is an example of what type of disease transmission?
Dental office to community
OSHA requires that every dental office and clinic protect its employees from potentially infectious material. The source for guidelines is:
OSHA's Bloodborne Pathogens (BBP) standard.
Areas of the hand that are frequently missed when washing with antimicrobial soap and water are the:
thumb and in between fingers.
Waterless antiseptic products that contain alcohol are most effective at what concentration?
60-95%
In what order should personal protective equipment (PPE) be put on?
Protective clothing, mask, protective eyewear, wash and dry hands, put on gloves.
Why is it important to use surface barriers and to disinfect treatment rooms?
all answers are correct
Which of the following surfaces in the dental office are covered with barriers?
X-ray control switches, light handles, drawer handles, bracket table
The two methods used to deal with surface contamination are:
precleaning and disinfecting surfaces between patients and surface barriers.
Using a chemical to reduce the number of microorganisms on living objects is called
disinfection
An antiseptic is a(n):
substance used to kill microorganisms found on the skin
Which government agency is responsible for registering disinfectants
EPA
Which of the following liquid disinfectants are considered to be intermediate-level?
Iodophor and synthetic phenol compound
When removing contaminated barriers and wiping down contaminated surfaces, which of the following are to be used?
Utility gloves
Precleaning reduces the number of microbes and removes blood, saliva, and other body fluids called:
bioburden
When cleaning and disinfecting treatment rooms, it is important to spray the paper towel with product instead of spraying the surface directly because it:
c) reduces the amount of overspray and possible airborne transfer
Which of the following is the first link in the chain of infection?
infectious agent
Which of the following terms is used to describe disease-causing organisms?
pathogens
An infection that has a rapid onset or a short course is a(n) __________ infection.
acute
A(n) _____________ injury is through the skin, such as a needle stick.
percutaneous
_________ transmission means touching or contact with the patient's blood or saliva on the dental equipment.
Indirect
Which of the following types of pathogens are carried in the blood and body fluids of infected individuals and that can be transmitted to others?
Bloodborne
Immunity allows the body to resist disease and prevents foreign bodies from causing
infection
A dental office staff member who transmits a disease because he or she failed to remove protective clothing prior to entering a store on the way home from work is an example of __________________ disease transmission.
dental office-to-community
Which of the following is true regarding the role of the CDC in infection control?
The CDC issues specific recommendations on health-related matters, based on sound scientific evidence.
The role of _______ is to issue specific standards to protect the health of employees in the United States.
OSHA
The law designed to protect employees against occupational exposure to bloodborne disease-causing organisms such as HBV, HIV, and HCV is
the OSHA Bloodborne Pathogens (BBP) Standard.
How often must the written exposure control plan describing how the dental office complies with the Bloodborne Pathogens (BBP) Standard be reviewed and updated?
annually
According to the CDC, ____________ Precautions represent a standard of care designed to protect healthcare providers from pathogens that can be spread by blood or any other body fluid, excretion, or secretion.
Standard
Who should be notified first of an exposure incident after initial first aid is provided?
employer
Which of the following is the first procedural step after an exposure incident?
stop operations immediately
The BBP Standard requires the dentist or employer to provide training in infection-control and safety issues to which of the following groups of people?
All personnel who might come in contact with blood, saliva, or contaminated instruments or surfaces
Which of the following is the correct sequence for handwashing and gloving?
Wash your hands before you put on gloves and immediately after you remove gloves.
Which of the following is considered personal protective equipment (PPE) that the employer should provide free of charge to the employee?
protective eye wear
Which of the following should be removed first when removing PPE?
gloves
Infectious waste is defined as which of the following?
It is contaminated waste that is capable of transmitting an infectious disease.
When is the best time to clean and disinfect dental prostheses or impressions that will be handled in the in-office laboratory?
As soon as possible after removal from the patient's mouth
A person who is unable to resist infection by a particular pathogen is known as _______ in the chain of infection.
a suseptible host
Pathogens must have a pathway into the body called a(n) ___________ to cause infection.
portal of entry
Which of the following is a persistent infection in which the symptoms come and go?
latent infection
Transmission of pathogens occurring through contact from person to another person is which of the following forms of transmission?
Direct
What type of disease transmission refers to the spread of disease through droplets of moisture that contain bacteria or viruses?
airborne transmission
Which of the following is the best method of infection control for an intraoral digital x-ray sensor?
Follow the manufacturer recommendation.
Which type of transmission of infection occurs through the mucosal surfaces of the eyes, nose, and mouth?
Patient-to-dental team infection
Infection control measures that help to prevent disease transmission to the dental professional include
all answers are correct
To dispose of contaminated needles and other disposable sharp objects properly in a dental office, the dental professional should discard them in which of the following?
sharps container
Which of the following can prevent contamination of a clean instrument or any object handled during treatment?
overgloves
An autoclave instrument sterilization process uses which sterilization agent?
Moist heat/steam
What is classified as a critical instrument?
Scalpel
The CDC recommends that sterilization devices used in the dental office be approved by what agency?
FDA
What should not be located in the packaging area of the instrument-processing area?
Stored, sterilized instrument packets
When should holding solutions be used as part of the instrument-processing procedure?
Only when instrument processing cannot be completed
The purpose of the ultrasonic cleaner is to:
loosen and remove debris from contaminated instruments.
What is used to test the efficacy of the ultrasonic cleaner?
Lightweight aluminum foil
What does a single-parameter chemical monitoring device indicate?
Exposure to temperature/heat
What is a disadvantage of using an unsaturated chemical vapor sterilizer?
Cannot use closed containers
The typical steam sterilization temperature at 30 minutes is _____� F.
250
The environmental surfaces that must be cleaned and decontaminated more rigorously than the others are
clinical contact areas
By current infection control guidelines of the Organization for Safety and Asepsis Procedures (OSAP), chairside computers are considered to be _____ surfaces.
touch
Which of the following is the best method used to decontaminate a surface in a dental treatment area with crevices, knobs, or other difficult-to-clean features?
Use barriers and preclean and disinfect between patients
Following OSAP protocol, surface barriers
should be removed and discarded between patients while hands are still gloved.
The appropriate disinfection protocol to follow when a surface has been covered with a barrier is
clean and disinfect the surface at the beginning and end of each workday
If the surface below the barrier is inadvertently touched when removing a contaminated barrier, the protocol to follow indicates
the surface needs to be cleaned and disinfected.
The purpose of precleaning a surface is to reduce the number of microbes and remove blood, saliva, and other body fluids called
bioburden
Precleaning can be accomplished using
soap and water
Chemicals that destroy or inactivate most species of pathogenic microorganisms on inanimate surfaces are called
disinfectants.
Disinfectants used in dentistry must be registered with the Environmental Protection Agency (EPA) as hospital disinfectants with the ability to kill
Mycobacterium tuberculosis.
Which of the following can be used as a surface disinfectant in the dentistry?
Synthetic phenols
To effectively clean and disinfect dental treatment rooms
the surface should remain moist for the manufacturer's recommended time for tuberculocidal action, usually 10 minutes.
For sterilization to occur using an immersion disinfectant, items must be immersed for a minimum of _____ hours.
6
Precautions when using glutaraldehyde include
all answers are correct
Housekeeping surfaces
need to be cleaned with only a detergent or low-level disinfectant.
Recommendations for mixing solutions of detergents or disinfectants include
making a fresh cleaning solution each day and discarding any unused solution at the end of the treatment day.
Carpet in dental treatment areas
harbor both bacteria and fungus.
Some microorganisms may survive on outside the host on environmental surfaces. The organism of concern to dentistry that can survive for weeks outside the host is
tuberculosis
To avoid contamination in a dental treatment area, the best approach is to
assume all surfaces have been contaminated.
The protocol to follow to minimize contamination of touch and transfer surfaces from splash, spatter, and surface droplets is to
apply an acceptable barrier following precleaning and disinfection.
The use of barriers on surfaces and equipment can prevent contamination of contact areas. The correct protocol for their use would include
both removing and discarding with gloved hands, and replacing using clean gloves between patients & using a barrier resistant to fluids.
Under the CDC Guidelines for Infection Control in Dental Healthcare Settings�2003, housekeeping surfaces include
all answers are correct
Acceptable barriers include
all answers are correct
All of the following surfaces should be protected from contamination with barriers except
counter tops in the reception area.
The agency responsible for the Blood-Borne Pathogens Standards that requires contaminated surfaces to be disinfected between patients, even if no evidence of contamination is visible is
OSHA
The agency that regulates and registers disinfectants and chemical sterilants according to chemical classification is
EPA
One difference between a disinfectant and sterilant is:
a disinfectant kills disease-causing microorganisms remaining on surfaces after precleaning.
A product capable of killing spores is
sporicidal
A product capable of killing a virus should be labeled
virucidal.
The label on a chemical agent contains all of the following except
The manufacturer suggested retail price.
According to the EPA, synthetic phenol compounds are categorized as intermediate-level hospital disinfectants. Phenols can be used on
all answers are correct.
The chemical disinfectant classified as an intermediate-level agent that is no longer recommended for use in dentistry is
sodium hypochlorite.
Green" infection control protocols can be implemented in all of the following except
traditional film-based radiography.
The following are considered single-use items except
metal impression trays.
One of the benefits of using a complex phenol solution for disinfection is that they
are compatible with metal, glass, rubber, and plastic.
What is the term used for voluntary standards of behavior established by a profession?
Code of Ethics
How is the principle of nonmaleficence easily described?
Do no harm
What is the first step in solving an ethical dilemma?
Identify the alternatives
Which of the following is correct concerning ethics and the law?
Ethical standards are always of a higher order than the law.
Which of the following is an act signed into law that has put forth very definite legal requirements related to confidentiality of patients' health information?
HIPAA
What does abandonment mean in the dental office?
Termination by the dentist of a patient relationship without reasonable notice
Which term allows individuals in one state to obtain a license in another state without retesting?
Reciprocity
What is malpractice?
Professional negligence
Who interprets and implements state dental regulations?
The state board of dentistry
Who technically owns a patient's dental chart?
The dentist
The Health Insurance Portability and Accountability Act (HIPAA) specifies:
federal regulations ensuring privacy of a patient's healthcare information.
The backbone of a well-run organization is:
good communication.
One of the most important traits to everyday social and business relationships is:
interpersonal communication.
Communication can be defined as:
sending of a message and receipt of the same message by another.
Words are:
verbal symbols used to represent an object or a meaning.
What accounts for one third of the impact of the total message?
Voice quality
Closed-ended questions are those that:
can be answered with either yes or no.
Open-ended questions are those that:
require more than yes or no for an answer.
What approximate percentage of all spoken words are never heard?
90%
Objective fears are __________ fears.
learned
Ethics deals with
moral conduct.
A behavior can be unethical and still be legal, but it cannot be illegal and still be
ethical
Which of the following choices represents basic principles of ethics that can guide healthcare providers to identify, clarify, and justify moral (ethical) choices?
Autonomy, nonmaleficence, beneficence, justice, confidentiality, and veracity.
Which is the most basic element in morality?
Nonmaleficence
Which of the following protects the confidentiality of patient health information?
HIPAA
The American Dental Assistants Association (ADAA) code of ethics
serves as a method of self-regulation within the profession.
If a dental assistant faces a situation in which the dentist's or employer's conduct violates ethical standards, the dental assistant is
not legally obligated to attempt to alter the circumstances.
Reassuring a child that a treatment will not hurt, when in fact it may hurt, is a(n)
violation of the ethical principle of veracity.
Respecting a patient's confidentiality is ________________ obligation.
a legal and ethical
Which of the following is true concerning continuing education (CE) for dental assistants?
It is the ethical obligation of dental assistants to update their knowledge and skills.
If a dentist performs an unnecessary procedure such as mutilate a tooth at the request of the patient, the dentist is acting
unethically under the principle of nonmaleficence (do no harm).
Which of the following statements is true concerning statutory law?
There are four types of statutory law: criminal, civil, contract, and tort
Not doing something that should have been done is an act of
omission
State dental practice act regulations are interpreted by the
state board of dentistry.
_______________ is permission for a procedure to be performed, which is granted by a patient after having been informed about the procedure's details.
Informed consent
_______________ states that an employer is responsible for any harm caused by the actions of his or her employee while that employee is carrying out the employer's business.
Respondeat superior
Which of the following refers to professional negligence?
Malpractice
Which of the following is considered the best defense against a malpractice lawsuit?
Prevention and good communication with the patient
Which of the following doctrines would be invoked in a situation where a dentist extracted the wrong tooth?
Res ipsa loquitur
Which of the following is true of the concept of informed patient consent?
It means that the dentist must give the patient enough information about his or her condition and all available treatment options.
Implied consent is given when the
patient agrees to treatment.
Consent for treatment of a minor child must be given by the
parent or legal guardian
Informed consent forms
greatly increase the dentist's chance of defense against allegations from a patient that he or she was not fully informed about a procedure.
____________ is (are) not included in the patient chart.
Patient financial records
Which of the following is the correct way for a dental assistant to correct a chart entry?
Draw a single line through the original entry so that it can still be read.
Who owns the patient's original dental records?
the dentist
Which of the following categories of civil law is established through the written word or by a verbal agreement?
expressed contract
Which of the following is able to provide an expressed contract for emergency treatment of a 16-year-old child who broke a tooth in the neighbor's driveway?
the child's parent
Violation of Occupational Safety and Health Administration (OSHA) regulations would be involved with which of the following types of law?
Administrative law
Regulations for dental assistant
vary greatly from state to state.
Which of the following forms of licensure allows a dentist who is licensed in one state a license to practice in another state without further examination or requirements?
Reciprocity
A patient of record is a person who has
been examined and diagnosed by a licensed dentist.
Which of the following is true of direct but not general supervision?
The dentist must examine the patient before and after the treatment.
Under which of the following conditions may a dentist refer a patient who is HIV positive to a dental specialist?
The patient has a condition that the dentist normally refers to a specialist.
What must a dentist do to avoid a patient claim of abandonment?
Send a notification of termination.
Which of the following is legally necessary to dismiss a patient from a dental practice?
Written notice of termination
Legal problems with patients are best avoided by maintaining ________ with all patients.
C. good rapport and open communication
When parents live separately, the child's personal information form should indicate which parent
the custodial parent
Which of the following patient care items is classified as a semicritical instrument?
Amalgam carrier (carries dental materials from the table to the patient)
Which of the following statements is true regarding the seven steps for instrument processing?
Sterilization takes places prior to storage.
An Environmental Protection Agency (EPA)-registered intermediate-level or low-level disinfectant is suitable for cleaning ____________ instruments.
noncritical
Personal protective equipment (PPE) that must always be used when processing instruments includes
utility gloves, a mask, eyewear, and protective clothing.
When transporting and processing contaminated patient care items, precautions need to be taken to avoid personal exposure to microorganisms through
all answers are correct
The ideal instrument-processing area should be
dedicated only to instrument processing
Instrument processing should flow in a single loop from dirty, to _______, to storage.
clean, to sterile
The purpose of an instrument holding solution is to
prevent the drying of blood and debris on instruments.
The least desirable method of precleaning dental instruments is
hand scrubbing
An ultrasonic cleaner cleans dirty instruments using sound waves, which causes
cavitation and implosion
An ultrasonic cleaning solution
should be specially formulated for use in only the ultrasonic cleaner.
The ultrasonic cleaner should be cleaned and disinfected
at least once a day
At the completion of the cleaning cycle of an ultrasonic cleaning unit, instruments should be
rinsed with clean water.
Instruments need to be bagged before steam sterilization to
protect them from becoming contaminated after sterilization and allow them to be grouped into special setups by procedure.
A method for sterilizing unwrapped patient care items for immediate use is
flash sterilization
In the sterilization process, a process indicator is an example of _____ monitoring.
external chemical
Process indicators that change color are useful for
determining whether an instrument package has been processed, monitoring sterilization, and identifying instrument packs that have been exposed to a certain temperature.
The best way to determine whether sterilization has occurred is to use
biological monitoring
Sterilization destroys
all microbial forms, including bacterial spores
All reusable instruments (critical and semicritical) that contact the patient's blood, saliva, or mucous membranes must be
heat sterilized
Microorganisms in a steam sterilizer are killed by
heat
The order of the cycles of a steam sterilizer is
heat-up; sterilizing; depressurization; drying.
The major advantage of the chemical vapor sterilizer is that
it does not rust, dull, or corrode dry metal instruments.
The type of sterilization used in the dental office that requires the highest temperature is
dry heat sterilization
Recommended methods for sterilizing dental handpieces include
steam sterilization or chemical vapor sterilization.
Some ultrasonic cleaning solutions have
enzymatic activity and/or antimicrobial activity.
The dentist's resource for infection control and safety is the:
d) Organization for Safety and Asepsis Procedures (OSAP).
Which agency regulates the manufacturing and labeling of medical devices
a) U.S. Food and Drug Administration (FDA)
The agency that ensures the safety and effectiveness of disinfectants is the:
b) U.S. Environmental Protection Agency (EPA).
The three primary methods of chemical exposure are:
c) inhalation, ingestion, and skin contact.
__________ gloves should be worn when using chemicals.
Utility
Some manufacturers of eyewash units recommend a weekly flushing of _____ minute(s).
3
The Occupational Safety and Health Administration Hazard Communication Standard is also known as
c) the Employee Right-to-Know Law.
Dental workers are at greater risk of exposure to ________ , making waterline treatments important.
Legionellosis
What are the two "communities" of bacteria in dental unit waterlines?
Planktonic bacteria and biofilm
The primary source of microorganisms in dental unit waterlines is:
the public water supply.
What is another term for a universal retainer?
Tofflemire
The larger circumference of the matrix band is always placed toward which surface?
occlusal
On the universal retainer, which area is used to increase or decrease the size of the band loop?
inner knob
What is used to position the matrix band firmly against the gingival margin of the preparation?
wedge
What is used to contour the bands?
burnisher
For which class of restoration is a celluloid strip used?
Class lll
Which band is designed in such a way that when the ends of the band are brought together, it forms a circle?
Matrix
Which of the following terms describes a wooden or plastic triangular device placed in the embrasure to provide the contour needed when a class II lesion is restored?
wedge
What is a term for a small, oval-shaped matrix made of stainless steel used interproximally?
Palodent
Where is the diagonal slot on a universal retainer always positioned?
Toward the gingiva
The ideal working position for a dental assistant is
a neutral position sitting upright with body weight evenly distributed.
The first symptom of carpal tunnel syndrome (CTS) is often a(n)
painful tingling in one or both hands that occurs at night.
The type of plaque that develops inside DUWLs, consisting of bacterial cells and other microbes, is called
biofilm
Methods of reducing the level of bacterial contamination in waterlines include all of the following except
yearly replacement of all waterlines.
To reduce the microbial count temporarily and to help clean the handpiece waterlines, DUWLs should be flushed
at the beginning of the day for several minutes and for 20 to 30 seconds between patients.
Reduction of exposure of the dental unit water for the dental team include all of the following except
a dental dam.
Backflow from low-volume saliva ejectors can occur when a patient
closes his or her lips around the tip of a saliva ejector.
Which of the following types of water will likely have the highest bacterial colony-forming unit (CFU) count?
Water from a water fountain
A chemical that can cause a physical or health hazard is
a hazardous chemical
Dermatitis can occur following chemical exposure by
skin contact
A victim who immediately feels the effects of a chemical spill, with symptoms of dizziness, headache, nausea, and vomiting, is experiencing
acute chemical toxicity
Which of the following is a form of toxicity that can be caused by chronic benzene exposure?
leukemia
Eyewash units
must be installed in every workplace where chemicals are used, according to OSHA regulations.
The written program portion of the Hazard Communication Program
describes how to respond to chemical emergencies.
Which of the following is true of Safety Data Sheets (SDS)?
The SDS should be organized in binders so that employees can locate a particular SDS.
For continuing employees, Hazard Communication Program training is required
once a year.
When a chemical is transferred to a different container, the new container must be labeled with
any label, providing the labeling system is easy to use and all employees are properly trained to understand and read the label.
An example of regulated waste that requires special disposal is
human tissue.
All waste containers that hold potentially infectious materials must
be labeled with the biohazard symbol.
Scrap dental amalgam should be collected and stored in
a designated, dry, airtight container.
The government agency responsible for enforcing rules regarding the disposal of regulated waste is
the EPA
Used radiographic fixer
can be managed on site with the installation of a silver recovery system.
OSHA requires a sharps container to be all of the following except
labeled with the dental practice name.
Radiographic fixer is considered a hazardous waste because it has a high
silver content
All of the following are considered a regulated waste except
saliva-soaked gauze
In the National Fire Protection Association (NFPA) labeling system the color yellow indicates
reactivity.
All of the following information is required on a SDS except
cost of product
All of the following are considered hazardous waste except
human tissue
Topics in a chemical training program for employees must include
all answers are correct
The section of the SDS listing precautions for storage incompatibilities is
Section 7�Handling and storage.
According to OSHA, how often do eyewash stations need to be inspected to ensure proper function?
MONTHLY
When using chemicals, dental assistants must wear
utility gloves, mask, and eye protection.
Issuing and enforcing rules and regulations with which dental practitioners must comply are the roles of a(n) ___________ agency.
regulatory
The premier infection-control education organization in dentistry is the
OSAP
The federal agency that protects the public's health and safety, at home and abroad, is the
Centers for Disease Control and Prevention (CDC).
Infection-control procedures practiced in dentistry today are based on the Guidelines for Infection Control in Dental Healthcare Settings�2003 issued by the
Centers for Disease Control and Prevention (CDC).
The agency that approves medical and dental devices for marketing in the United States is the
FDA
The governmental regulatory agency that ensures the safety and effectiveness of disinfectants associated with dentistry is the
EPA
The nonregulatory agency that issues recommendations based on strong scientific evidence that form the standard of care for dentistry is the
CDC
The Environmental Protection Agency (EPA) is responsible for
reviewing the manufacturers' antimicrobial claims to ensure that they are supported by scientific evidence.
What is the function of the saliva ejector?
Removes excess fluid from the mouth
Where is the saliva ejector placed when it is stationary and shaped into a "candy cane
Under the tongue
The high-volume evacuator (HVE) should be held in the pen grasp or:
the thumb-to-nose grasp.
Which oral rinsing technique is performed frequently as debris accumulates during the preparation and restoration of a tooth?
Limited-area rinsing
Which isolation technique uses small, triangular absorbent pads?
Dry angle isolation technique
Dental dam material is available in a continuous roll or in two precut sizes of 6?6-inch squares or __________-inch squares.
5 x 5
What thickness of dental dam material is recommended during procedures for which tissue retraction and extra resistance are required?
heavy
Which dental dam frame is recommended when radiographs may be required throughout the dental procedure?
Plastic U-shaped frame
What part of the dental dam punch is a rotary-type disk?
punch plate
What size hole should be punched to isolate a premolar tooth?
3
Which matrix system used for interproximal posterior restorations is the most common?
Tofflemire retainer and universal band
The universal, or Tofflemire, retainer holds the matrix band snugly in position. It is most often positioned in which area?
On the buccal surface of the tooth being restored
Which matrix system is used for anterior composite resin or glass ionomer restorations?
Clear plastic matrix
Which type of matrix system is used for the primary molars?
T-band matrix or Spot-welded band
Which statement is correct regarding posterior metal matrix bands?
The smaller circumference is placed toward the gingiva.
To contour a metal matrix band for posterior teeth, place the band on a paper pad and rub the inner surface of the band with _____ until the ends begin to curl.
a burnisher or the end of a mirror handle
Which of the following is the instrument of choice when positioning a wooden wedge?
Howe pliers
Where should the cervical margin of a matrix band lie?
1 mm beyond the gingival margin of the preparation
What is the purpose of a matrix system?
To provide a temporary interproximal wall for the restorative material and To create an external surface against which the restorative material is packed
Why is a matrix band contoured prior to placing the restorative material?
To ensure that the final restoration will have proper contact with the adjacent tooth
Which statement is correct concerning wedges?
A wedge is used to apply pressure to the apical and gingival walls of the preparation AND The wedge presses the band against the tooth, causing a slight separation of the teeth.
Where is the wedge positioned when placing a posterior restoration?
lingual
What is one advantage of an AutoMatrix over a universal matrix?
No retainer to hold the band in place
If a restoration is not contoured properly, it can result in an
overhang
What is the component of a universal matrix retainer that serves to hold the matrix band securely in the retainer?
outer knob
The larger side of the universal matrix band loop is always directed toward which part of the tooth?
Occlusal one third
If a patient is having an interproximal restoration on the maxillary central incisor, which type of matrix system would be used?
Mylar matrix
What is the most common dental chair position for dental procedures?
supine
When the operator is positioned correctly, the thighs are __________ to the floor.
parallel
What is the transfer zone for a right-handed operator?
4- to 7-o'clock position
Who delegates expanded functions to the dental assistant?
dentist
What type of supervision is described as the presence of the dentist in the dental office area, but not necessarily present in the same treatment room?
indirect
The suggested positioning for the right-handed operator when treating the maxillary right buccal surfaces of the teeth is the __________-o'clock position.
10- to 12
Hand instruments are designed with three specific parts. The three parts include the handle, shank, and:
working end.
The working end of the probe is calibrated in:
millimeters
Which instruments are set up for every procedure and are also called the basic setup?
Mirror, explorer, cotton forceps
Which instrument is considered a restorative instrument containing two wells on either end to transport freshly packed, mixed amalgam to a prepared tooth
amalgam carrier
Which instrument is the instrument of choice to remove excess dental materials from interproximal spaces?
Hollenback carver
Which handpiece is considered the most versatile handpiece used in dentistry?
low-speed handpiece
Which handpiece is used by the dentist in every restorative procedure?
high speed handpiece
What mechanism is used to hold the bur in a high-speed handpiece?
friction grip
Which handpiece uses mechanical radiant energy of water and sound vibrations to create a pulsating effect on the tooth surface?
ultrasonic
Which handpiece uses a beam of light to cauterize soft tissue or vaporize decayed tooth structure?
laser handpiece
Because it comes into contact with blood, saliva, and tissue and must be sterilized before reuse, the dental handpiece is identified as a:
semicritical instrument.
A ______________ is used to remove solid debris from the oral cavity during a dental procedure.
HIGH VOLUME EVACUATOR HVE
During a dental procedure, the saliva ejector should be placed _______ the tongue on the __________ where the dentist is working.
under; opposite side from
The high-volume evacuator (HVE) is able to take up water and debris because a _____ volume of air is moved into the vacuum hose at _____ pressure to create a strong suction.
high; low
After it is used, a plastic HVE tip is
thrown away.
The dental assistant grasps the evacuator in the ________ hand(s) when assisting a right-handed dentist.
right
The HVE suction tip should be positioned
so that the edge of the suction tip is even with or slightly beyond the occlusal surface or incisal edge.
An antimicrobial solution should be flushed through the evacuation system hoses
daily.
Frequent removal of debris as it accumulates during a procedure is called
limited-area rinse
Which of the following is used along with the HVE to complete the rinsing process?
air-water syringe
The three most common methods used to isolate a specific area of the mouth include
cotton rolls, dry angles, and the dental dam.
A cotton roll holder is designed to hold multiple cotton rolls in a more secure manner for the __________ quadrant(s).
mandibular
To block the flow of saliva and to protect the tissues, a dry-angle isolator is placed on the
buccal mucosa over the Stensen's duct.
The dental dam is placed ________ the local anesthetic is administered.
after
Dental dam clamp parts include the bow and the jaws. The bow is the rounded portion of the clamp that extends through the dam and is positioned toward the
distal aspect of the tooth.
The piece of dental floss or dental tape that should always be attached to the bow of the dental dam clamp prior to clamp placement is called a(n)
ligature
The ________ is punched as the largest size hole (#5) to accommodate the dental dam clamp that fits on the ________ tooth.
keypunch hole; anchor
The isolation of anterior teeth is usually
from canine to canine
Maintenance of the evacuation system includes each of the following except
replacement of the entire system on a yearly basis.
The HVE has three main purposes: (1) retract tongue and cheek; (2) keep mouth free of saliva, blood, debris, and water; and (3)
reduce the bacterial aerosol spray caused by the high-speed handpiece.
All of the following are specific guidelines for positioning the HVE except
place the HVE after the dentist positions the handpiece and mirror.
All of the following are indications for using the saliva ejector except
removal of solid debris.
All the following are guidelines for using the air-water syringe except
directing the syringe tip toward the patient's nose and lips.
Who has to follow the HIPAA law?
All workforce members
What is the purpose of HIPAA?
all answers are correct
HIPAA regulations require what form of patient information to be protected and remain confidential?
all answers are correct
Examples of Protected Health Information (PHI) include:
all answers are correct
When can you use or disclose PHI?
all answers are correct
Under HIPAA, patients have certain rights. Which of the following documents must be provided to the patient to notify them of their rights to privacy?
Notice of Privacy Practices
HIPAA penalties and sanctions can include:
all answers are correct
HIPAA penalties and sanctions may apply to
Anyone who is part of the "workforce
Your sister's best friend just had surgery at the dental center where you work. Your sister asks you to find out his prognosis. What should you do?
Explain that it is a violation of the patient's privacy for you to ask around or look at her record.
Because I have access to confidential patient information as part of my job, I can look up anybody's record, even if they are not my patient, as long as I keep the information to myself
The statement is FALSE
You can protect patient information by:
all answers are correct
To protect PHI during conversations within a healthcare work environment:
all answers are correct
An example of HIPAA violation and possible breach of confidentiality would be
all answers are correct
Under HIPAA, patients can refuse to allow their PHI to be shared with family, friends, or others
True
Under the right to Access, healthcare employees have the right to access their own medical records directly, using job-related access such as hospital information and medical records.
False