Laboratory tests can be affected by the ingestion of food and drink.
Prior to performing a venipuncture, why is it important to get information about whether or not the patient has eaten recently?
turning off the water faucet with hands
Select one step that should not be in the handwashing procedure:
a large blood pressure cuff
If a patient is obese, what special equipment, if any, would be helpful in the specimen collection process?
-slight rotation of the patient's arm to a different position
-palpating the entire antecubital area to trace vein path
-warming the site
When a patient has "difficult" veins, what strategies, if any, can be used to improve the likelihood of a successful puncture?
thicker vessel walls with a pulsating feel
Arteries differ from veins in which of the following ways?
dorsal side of the hand or wrist
If arm veins cannot be used for a venipuncture, the preferred alternative veins lie in the:
3 inches above the venipuncture site
Where should the tourniquet be placed on the patient during the venipuncture procedure?
30 degrees or less
During a typical venipuncture, the needle should be inserted at what angle to the skin?
release the tourniquet
During the venipuncture procedure, what should the phlebotomist do after the needle is inserted and blood begins to flow?
yellow, blue, lavender blood culture tubes
When the evacuated tube method is used for venipuncture, select the correct order of collection for the following tubes: blood culture tubes, coagulation tube, and hematology tube. Choose the order of tubes by their color of closures.
the patient's name and identification number, date and time of collection, the phlebotomist's
initials
What information is essential for labeling a patient's specimen?
immediate and urgent specimen collection
The term STAT refers to:
Allergies to latex cause skin irritations.
Why is it important to get patient information about latex sensitivity?
a three-way match with verbal, ID bracelet, and requisition information
Steps in the identification process should include:
a recliner
If a patient is frail and has a tendency to faint, what equipment, if any, would be helpful in the specimen collection process?
the antecubital area of the left arm
If a patient has a bruise in the antecubital area of his right arm (his nondominant arm), what alternate site should be considered?
needle is partially inserted in the vein
One reason for hematoma formation during venipuncture is that the:
discontinue the procedure and apply pressure with gauze
If a venipuncture procedure is almost completed and suddenly you see hints of a hematoma beginning to form, what should you do?
once
How many more times should a phlebotomist try to perform a venipuncture on a patient if he has failed once already?
using a syringe transfer device attached to the syringe, insert each tube into the device and allow the blood to flow freely
When using the syringe method to collect a blood specimen, how is the blood added into additive and nonadditive tubes?
EDTA
Which specimen collection tube is commonly used for hematology tests?
sodium citrate
Which specimen collection tube is commonly used for hemostasis tests?
shorter clotting time
Adding too much blood to a sodium citrate tube can cause:
use a discard tube, then collect a sodium citrate tube
When collecting a blood specimen with the butterfly method and PT and PTT tests are the only tests ordered, what is the correct procedure?
Specimen is hemolyzed.
Specimens may be rejected for a variety of reasons, most of which can be prevented by experienced, professional phlebotomists. Identify one reason for specimen rejection that relates to unnecessary, but excessive, mixing of the specimen.
bloodborne
HIV, HBV, and HCV are ___________________ pathogens.
downward position
Collection tube additives may be accidentally transferred from one specimen tube to the next when the tubes are not oriented in a __________________ during filling.
unique
All hospitalized patients should have a ________ identification number.
request
The order for a laboratory test is often called a requisition or ________.
infectious
Every blood specimen should be treated as if it were hazardous or ________.
alcohol
One way to cleanse your hands prior to phlebotomy is to use an ________-based hand sanitizer.
antimicrobial
When washing hands with soap and water prior to performing a venipuncture, ________ soap should be used.
faint
Phlebotomists should monitor the patient closely during venipuncture because some patients may feel ________, nauseous, or queasy.
safety
After a venipuncture procedure, activation of the ________ device will prevent accidental needlesticks
cardiopulmonary resuscitation
CPR stands for ________.
trash
Paper and plastic waste that accumulate during the venipuncture procedure may be discarded in a ________ container.
expired
A blood specimen can be rejected if the collection tube is out-of-date. Another term for this is ________.