MEDCA STUDY QUESTIONS WITH COMPLETE ANSWERS
Which of the following tubes can be immediately centrifuged - Answer-green tube
In preparation for processing a urine specimen, the phlebotomist should confirm the specimen is properly labeled by ensuring the patient's information appears in which of ...
MEDCA STUDY QUESTIONS WITH
COMPLETE ANSWERS
Which of the following tubes can be immediately centrifuged - Answer-green tube
In preparation for processing a urine specimen, the phlebotomist should confirm the
specimen is properly labeled by ensuring the patient's information appears in which of
the following ways? - Answer-Patient's name and date of birth on the container
Which of the following tests needs to be refrigerated if it is not immediately being
tested? - Answer-Cold agglutinin test
The process of determining if a person will have a negative roaction after a transfusion
is called a(.) - Answer-type and cross match
When blood is removed from the body, the blood clots and the liquid portion are called -
Answer-serum
Which of the following is an anticoagulant used in blood donations? - Answer-citrate
phosphate dextrose
Venipuncture refers to the collection of blood from - Answer-veins
Measurement of blood copper, a trace element, requires blood collection in a - Answer-
royal blue topped tube
The most reliable labeling method for avoiding transcription errors in specimen
collection is - Answer-Computerized labels using bar codes
If veins in the arm cannot be used for venipuncture, the preferred alternative veins lie in
the - Answer-dorsal side of the hand or wrist
When collecting blood in an evacuated tube with an anticoagulant, what is the
importance of collecting the correct volume of blood? - Answer-It provides the correct
blood-additive ratio
After a finger stick is performed, What should the phlebotomist do with the first drop of
blood? - Answer-Wipe it off with gauze
Skin puncture blood is composed of - Answer-Tissue fluids, blood from arterioles, and
venules and blood from capillaries.
, During a skin puncture procedure, how should the cut be oriented on the finger? -
Answer-Across finger lines
In MOST cases, when should blood be collected to determine levels of medications? -
Answer-Just before the next dose of medication
Skin puncture techniques are most often used when - Answer-Small amounts of blood
are needed for testing or when the patient is a neonate or anemic
The last step in any phlebotomy procedure, including skin puncture, is - Answer-Check
that the bleeding has stopped and thank the patient for cooperating
Alcohol should be allowed to dry for how many seconds before venipuncture? - Answer-
30-60 seconds
During venipuncture, what is the best angle for inserting the needle into the skin? -
Answer-15-30 degrees
During the venipuncture procedure, what does the phlebotomist do after the needle is
inserted and blood begins to flow? - Answer-Release the tourniquet
During a venipuncture procedure, the needle should always be inserted with the -
Answer-Bevel side up
What it to meltered anicongulant for the colction of whole blood for STAT stuaions in
clinical chemistry - Answer-heparin
A blood cell count requires whole blood collected in what tube? - Answer-Purple top
tube
The chain of infection usually includes the source, a susceptible host and - Answer-poor
isolation technique
blood cells are also called - Answer-hematocytes
the primary responsibility of ___ is infection control - Answer-white blood cells
the primary responsibility is coagulation - Answer-platelets
Once they enter the bloodstream, mature red blood cells live for approximately -
Answer-100-120 days
the iron containing pigment of red blood cells is called - Answer-hemoglobin
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