NHA Phlebotomy Final Exam Test (100 questions) with Verified Solutions| Graded
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Course
Nha patient care technician
Institution
Nha Patient Care Technician
NHA Phlebotomy Final Exam Test (100
questions) with Verified Solutions|
Graded A
What is the primary purpose of phlebotomy?
To obtain blood samples for laboratory testing.
What is the first step a phlebotomist should take before performing a venipuncture?
Identify the patient and confir...
What is the significance of using a tourniquet during venipuncture?
It helps to engorge the veins, making them easier to locate.
What should a phlebotomist do if a patient experiences syncope during a blood draw?
Remove the needle and apply pressure, then position the patient safely.
1
,What is the purpose of the butterfly needle in phlebotomy?
To facilitate blood collection from small or difficult veins.
What is the maximum time a tourniquet should be applied?
No longer than 1 minute.
Which type of tube should be used for a complete blood count (CBC)?
Lavender-top tube containing EDTA.
What is the appropriate angle for needle insertion during venipuncture?
15 to 30 degrees.
What is the role of anticoagulants in blood collection tubes?
To prevent blood from clotting.
What is the purpose of labeling blood samples?
To ensure accurate identification of the specimen and the patient.
How should a phlebotomist handle a hemolyzed specimen?
Reject the specimen and collect a new sample.
What is the correct procedure for disposing of used needles?
2
, Place them in a sharps container.
What does "fasting" mean in relation to blood tests?
The patient should not eat or drink anything except water for a specified period before the
test.
What is the purpose of performing a capillary puncture?
To obtain small blood samples when venipuncture is not feasible.
What is the first step to take if you accidentally stick yourself with a contaminated needle?
Wash the area with soap and water and report the incident.
What is the term for the liquid portion of blood after it has clotted?
Serum.
What is the proper technique for cleaning the venipuncture site?
Use a circular motion from the center outward with an alcohol swab.
What is the function of the blood coagulation factors?
To help in the clotting process and prevent excessive bleeding.
What is a potential complication of venipuncture?
3
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