The Rickettsial disease that killed Howard Ricketts and Stanislaus Prowazek was
LOUSE-BORNE TYPHUS
Which of the following is considered an important function of the skin?
HOLD MUSCLE TO BONE, MANUFACTURE BLOOD CELLS, PRODUCE ANTIBODIES
Which of the following is considered a function of the skin?
REGULATION OF BODY TEMP, PREVENTION OF FLUID LOSS, SYNTHESIS OF VITAMIN D, PRODUCES CYTOKINES, (ALL OF THE ABOVE
The surface layer of the skin is the
EPIDERMIS
The oily secretion that lubricates the hair follicles of the skin is
SEBUM
The secretions of the sweat and sebaceous glands provide
WATER, AMINO ACIDS, LIPIDS TO THE MICROBIOTA (ALL THE ABOVE)
The antimicrobial aspect(s) of the skin is/are
DRYNESS, SALTINESS, ACIDITY AND TOXICITY (ALL OF THE ABOVE).
Which of the following organisms is not normally found on skin
CANDIDA SPP
Diptheroids
ARE PART OF THE NORMAL FLORA OF THE SKIN, ARE RESPONSIBLE FOR BODY ODER AND INCLUDE P. ACNES.
Which of the following normal skin flora is a small yeast?
MALASSEZIA SPP.
The growth of P. acnes within hair follicles, in many individuals, leads to
ACNE
The principal species of Staphylococcus found on the skin is
EPIDERMIDIS.
The bacteria that appear to maintain balance between the members of the normal flora and play a vital role in limiting colonization by pathogens are
STAPHYLOCOCCI.
Which of the following may be added to normal media to make it more selective for staphylococci?
7.5% SALT
The member of the normal flora sometimes considered to be responsible for tinea versicolor is
MALASSEZIA SPP
Which is deemed the most serious staphylococcal skin infection?
CARBUNCLES
A protein associated with a more virulent form of Staphylococcus is
COAGULASE
The protein produced by S. aureus that interferes with phagocytosis is
PROTEIN A
The preferred habitat of S. aureus is the
NASAL CHAMBER
Which of the following is a fairly reliable method of characterizing strains of S. aureus?
GENOME TYPING
Which of the following may aid Staphylococcus in resisting phagocytosis?
COAGULASE.
Which of the following virulence factors used by Staphylococcus puts holes in host cells?
ALPHA TOXIN
S. aureus clumping factor
CAUSES BACTERIA TO CLUMP TOETHER IN PLASMA
Which is true of MRSA?
THEY HAVE R PLASMIDS AND THEY MAY BE SENSITIVE TO SYNERCID
Approximately 90% of S. aureus strains are resistant to
PENICILLIN
The S.aureus product that causes scalded skin syndrome is/are
EXFOLIATED TOXIN
A frequent complication of scalded skin syndrome is a secondary infection caused by
PSEUDOMONAS SPP.
addition to S. aureus, impetigo may also involve
S. PYOGENES.
In S. pyogenes, which of the following interferes with phagocytosis?
M PROTEIN
In which of the following does a rash start on the palms and soles and progress toward the trunk?
ROCKY MT SPOTTED FEVER
The major vector of Rocky Mountain spotted fever in the western U.S. is
DERMACENTOR ANDERSONI
rocky mt spotted fever is an example of
ZOONOSIS
After being bitten by an infected tick, transfer of the reckettsial organisma occurs
WITHIN 4-10 HOURS
Which of the following is an obligate intracellular parasite?
RICKETTSIA RECKETTSI
The causative agent of Lyme disease is
BORRELIA BURGDORFERI
The unique characteristic of Lyme disease is
ERYTHEMA MIGRANS.
The stage of Lyme disease that is characterized by arthritis is the
THE THIRD
most important vector of Lyme disease in eastern U.S. is the
IXODES SCAPULARIS.
Which of the following pertains to Borrelia burgdorgeri?
SPIROCHETE.
The preferred host of Ixodes scapularis is the
WHITE FOOTED MOUSE
The groth stage of the vector that is mainly responsible for transmitting Lyme disease is the
NYMPH
Many childhood diseases caused by viral infections of the upper respiratory tract can usually be diagnosed by
INSPECTION OF THE RASH
A common viral rash of childhood with the popular name chicken pox is also known as
VARICELLA.
The varicella virus is a member of which virus family
HERPES
Reactivation of chickenpox is called
SHINLES AND HERPES ZOSTER
The childhood disease that damages the body defenses and is frequently complicated by secondary infections, primarily, Gram-positive cocci is
MEASLES
The rubeola virus contains
SS-RNA
Rubella, rubeola and varicella-zoster are all only acquired via
THE RESPITORY ROUTE
An important diagnostic sign of measles is
KOPLIK'S SPOTS
The MMR vaccine is used to protect against
MEASLES, MUMPS, RUBELLA
The most serious consequence of rubella is
BIRTH DEFECTS
Rubella is a member of which virus family?
TOGAVIRUS.
Warts are caused by
PAPILLOMAVIRUS
The skin-invading molds belong to the genera
EPIDERMOPHYTON, MICROSPORUM, AND TRICHOPHYTON