NHA CPT Exam Prep Questions with 100%
Verified Answers 2025 | 2026
If a patient has done vigorous exercises (jogging, running,
lifting, etc) within 8 hours prior to venipuncture, you should
__________________ ? - ANSWER Reschedule the appointment
for another day.
A phlebotomist receives orders to draw an infant screening
card, O2 levels, bilirubin, and DNA. Which should be performed
first? - ANSWER O2 levels.
An infant may cry due to the blood draw, so every attempt must
be made to collect O2 levels as close to resting rate as possible
Why is the order of draw for capillary collections different than
venipuncture? - ANSWER Increased rate of coagulation
How much plasma does whole blood contain? (Expressed in
percentage) - ANSWER 55% of whole blood is plasma
,2|Page
When a patient is fasting, a lipid panel should be drawn in a
_______ top tube. - ANSWER Gold (SST) top tube
Where is the best place to draw blood on a 9-month-old infant?
- ANSWER Either heel
What additive is inside Gold/SST and Red-Gray Speckled top
tube? - ANSWER Thixotropic gel for serum separation
When should the code on glucose cuvettes/strips be compared
to the code on the glucometer? - ANSWER When the patient is
tested, no sooner
What is the first procedural step for a finger stick performed by
a phlebotomist? - ANSWER Confirm the correct identity of the
patient.
Hemolyzation occur when a phlebotomist
_________________? - ANSWER Uses an incorrect needle
gauge (too small of needle gauge like 25ga)
,3|Page
What is the order of draw for capillary blood collection
according to CLSI? - ANSWER 1) EDTA Tubes (Lavender/Pink)
2) Heparin (Green)
3) Any other additives
4) Serum (Red/Gold/Tiger/Marble)
Define "basal state" - ANSWER Fasting (nothing by mouth/NPO)
*and* refraining from strenuous exercises for 8 (eight) to 10
(ten) hours prior to blood collection.
What is the correct depth of puncture for a capillary blood
collection performed on an infant? (Expressed in
millimeters/mm) - ANSWER 0.85 to 2.0 millimeters
The American Academy of Pediatrics (AAP) recommends that
heel punctures NOT exceed _______________ millimeters for
neonates and premature neonates. - ANSWER 0.85 millimeters
, 4|Page
If a patient has recently had a masectomy on their RIGHT side, a
blood sample should be drawn on
__________________________. - ANSWER The left arm.
Define "fibrinogen" - ANSWER A protein that is converted into
fibrin during normal blood clotting.
Define "hematocrit" - ANSWER The ratio of total red blood cell
volume to total blood volume, expressed as a percentage.
What is the difference between phlebitis and thrombophlebitis?
- ANSWER Both describes the inflammation of a vein but
thrombophlebitis includes the formation of a (blood) clot.
Define "trough level" in a therapeutic drug - ANSWER Lowest
chemical blood level
Define "fibrillation" - ANSWER Rapid, inefficient contractions of
muscle fibers in the heart caused by disruption of nerve
impulses.