NHA CPT Exam Prep 2025 Questions
and Answers
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
When a patient is fasting, a lipid panel should be drawn in a _______ top tube. - ANSWER✔✔-
Gold (SST) top tube
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
,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)
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
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
, The American Academy of Pediatrics (AAP) recommends that heel punctures NOT exceed
_______________ millimeters for neonates and premature neonates. - ANSWER✔✔-0.85
millimeters
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.
Blood is classified into groups and types based on the presence of antigens on the surface of
_________________________ - ANSWER✔✔-Erythrocytes/red blood cells
Define "erythrocytes" - ANSWER✔✔-A cell that contains hemoglobin and carries oxygen
throughout the body.
What is the average lifespan of erythrocytes? - ANSWER✔✔-120 days
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 3
and Answers
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
When a patient is fasting, a lipid panel should be drawn in a _______ top tube. - ANSWER✔✔-
Gold (SST) top tube
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
,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)
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
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
, The American Academy of Pediatrics (AAP) recommends that heel punctures NOT exceed
_______________ millimeters for neonates and premature neonates. - ANSWER✔✔-0.85
millimeters
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.
Blood is classified into groups and types based on the presence of antigens on the surface of
_________________________ - ANSWER✔✔-Erythrocytes/red blood cells
Define "erythrocytes" - ANSWER✔✔-A cell that contains hemoglobin and carries oxygen
throughout the body.
What is the average lifespan of erythrocytes? - ANSWER✔✔-120 days
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 3
