Phlebotomy Certification Exam Study Guide 2025 | NHA, ASCP & NCCT Prep

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Phlebotomy Certification Exam_Latest 2025 100%

Correct

Coagulation tubes have which color stopper? .....ANSWER.....light

blue

Hematology tubes have which color stopper?

.....ANSWER.....purple/lavender

Serum tubes have which color stopper? .....ANSWER.....red/tiger

top/gold

A health care-acquired infections are called?

.....ANSWER.....Nosocomial infections

A inherited condition that is caused by the body's inability to

metabolize phenylalanine (protein) is called: .....ANSWER.....PKU

A lavender stoppered evacuated tube must be redrawn because

of clots in the tube. What collection error causes this?

.....ANSWER.....insufficient mixing of additive with specimen

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A patient has undergone a left radical mastectomy. What site

can not be used for venipuncture until the patient's physician is

consulted? .....ANSWER.....left arm

A patient suffers a transfusion reaction. What may this condition

cause in the patient's specimen? .....ANSWER.....hemolysis

A phlebotomist is to collect a specimen for an APTT and

prothrombin time from a patient. According to the NCCLS

guidelines, what tube stopper color should the phlebotomist

collect FIRST? .....ANSWER.....red

A phlebotomist enters a patient's room at 5:30 am, but the

patient is asleep. The phlebotomist should: .....ANSWER.....gently

wake the patient and proceed

A phlebotomist is about to collect a blood specimen from a

patient in ICU, but the patient is unconscious. The phlebotomist

should: .....ANSWER.....proceed as though the patient were

conscious

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After performing a routine venipuncture, the phlebotomist noticed

that the blood in the evacuated tube was bright cherry red.

What vessel did the phlebotomist puncture? .....ANSWER.....artery

After puncturing a finger during a skin puncture procedure, what

is the next step? .....ANSWER.....Wipe away the first drop with

gauze.

Agranulocytes that function in antibody production are called:

.....ANSWER.....lymphocytes

An evacuated tube contains clot activator and serum separator

gel. What color is the Hemogard TM closure? .....ANSWER.....gold

An example of a specimen that requires protection from light is:

.....ANSWER.....Billirubin, beta-carotene and porphyrins.

Anti diuretic hormone (ADH) requires which of the following

blood collection tubes for proper test results?

.....ANSWER.....purple

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At least how long should a warmer be applied to a skin puncture

site prior to making a skin puncture? .....ANSWER.....3 minutes

Before starting a bleeding time test, the phlebotomist should:

.....ANSWER.....ask the patient if he or she has taken any

medications

Bleeding time is used to access what? .....ANSWER.....platelet

function, blood vessel integrity

Bleeding time procedures are usually ordered:

.....ANSWER.....pre-surgically

Blood collection for neonatal screening to detect metabolic and

genetic abnormalities usually occurs: .....ANSWER.....by collecting

from the lateral plantar surface of the heel.

Blood enters the right side of the heart from what blood vessel?

.....ANSWER.....superior vena cava