NHA CPT PRACTICE EXAM QUESTIONS
AND ANSWERS.
If a patient has done vigorous exercises (jogging, running, lifting, etc) within 8 hours prior to
venipuncture, you should __________________ ? - CORRECT 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? - CORRECT 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? - CORRECT ANSWER
Increased rate of coagulation
How much plasma does whole blood contain? (Expressed in percentage) - CORRECT ANSWER 55% of
whole blood is plasma
When a patient is fasting, a lipid panel should be drawn in a _______ top tube. - CORRECT ANSWER
Gold (SST) top tube
Where is the best place to draw blood on a 9-month-old infant? - CORRECT ANSWER Either heel
What additive is inside Gold/SST and Red-Gray Speckled top tube? - CORRECT ANSWER Thixotropic gel
for serum separation
When should the code on glucose cuvettes/strips be compared to the code on the glucometer? -
CORRECT ANSWER When the patient is tested, no sooner
,What is the first procedural step for a finger stick performed by a phlebotomist? - CORRECT ANSWER
Confirm the correct identity of the patient.
Hemolyzation occur when a phlebotomist _________________? - CORRECT 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? - CORRECT ANSWER 1) EDTA
Tubes (Lavender/Pink)
2) Heparin (Green)
3) Any other additives
4) Serum (Red/Gold/Tiger/Marble)
Define "basal state" - CORRECT 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) - CORRECT 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. - CORRECT ANSWER 0.85
millimeters
If a patient has recently had a masectomy on their RIGHT side, a blood sample should be drawn on
__________________________. - CORRECT ANSWER The left arm.
Define "fibrinogen" - CORRECT ANSWER A protein that is converted into fibrin during normal blood
clotting.
Define "hematocrit" - CORRECT 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? - CORRECT ANSWER Both describes the
inflammation of a vein but thrombophlebitis includes the formation of a (blood) clot.
, Define "trough level" in a therapeutic drug - CORRECT ANSWER Lowest chemical blood level
Define "fibrillation" - CORRECT 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
_________________________ - CORRECT ANSWER Erythrocytes/red blood cells
Define "erythrocytes" - CORRECT ANSWER A cell that contains hemoglobin and carries oxygen
throughout the body.
What is the average lifespan of erythrocytes? - CORRECT ANSWER 120 days
How long does erythrocytes take to regenerate? - CORRECT ANSWER 6 (six) to 8 (eight) weeks
Define "hemostasis" - CORRECT ANSWER Arrest of bleeding, whether by normal vasoconstriction,
coagulation, or surgical means.
What is plasma? - CORRECT ANSWER Fluid portion of the blood in which the cellular components are
suspended.
What make up the formed elements of blood? - CORRECT ANSWER Thrombocytes (platelets)
Erythrocytes (red blood cells)
Leukocytes (white blood cells)
What are the appropriate cleansers for a clean-catch urine collection? - CORRECT ANSWER Castille soap
wipes
Benzalkonium Chloride (BZK) wipes
Which HEMATOLOGY tests may be performed from capillary blood collection?
AND ANSWERS.
If a patient has done vigorous exercises (jogging, running, lifting, etc) within 8 hours prior to
venipuncture, you should __________________ ? - CORRECT 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? - CORRECT 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? - CORRECT ANSWER
Increased rate of coagulation
How much plasma does whole blood contain? (Expressed in percentage) - CORRECT ANSWER 55% of
whole blood is plasma
When a patient is fasting, a lipid panel should be drawn in a _______ top tube. - CORRECT ANSWER
Gold (SST) top tube
Where is the best place to draw blood on a 9-month-old infant? - CORRECT ANSWER Either heel
What additive is inside Gold/SST and Red-Gray Speckled top tube? - CORRECT ANSWER Thixotropic gel
for serum separation
When should the code on glucose cuvettes/strips be compared to the code on the glucometer? -
CORRECT ANSWER When the patient is tested, no sooner
,What is the first procedural step for a finger stick performed by a phlebotomist? - CORRECT ANSWER
Confirm the correct identity of the patient.
Hemolyzation occur when a phlebotomist _________________? - CORRECT 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? - CORRECT ANSWER 1) EDTA
Tubes (Lavender/Pink)
2) Heparin (Green)
3) Any other additives
4) Serum (Red/Gold/Tiger/Marble)
Define "basal state" - CORRECT 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) - CORRECT 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. - CORRECT ANSWER 0.85
millimeters
If a patient has recently had a masectomy on their RIGHT side, a blood sample should be drawn on
__________________________. - CORRECT ANSWER The left arm.
Define "fibrinogen" - CORRECT ANSWER A protein that is converted into fibrin during normal blood
clotting.
Define "hematocrit" - CORRECT 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? - CORRECT ANSWER Both describes the
inflammation of a vein but thrombophlebitis includes the formation of a (blood) clot.
, Define "trough level" in a therapeutic drug - CORRECT ANSWER Lowest chemical blood level
Define "fibrillation" - CORRECT 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
_________________________ - CORRECT ANSWER Erythrocytes/red blood cells
Define "erythrocytes" - CORRECT ANSWER A cell that contains hemoglobin and carries oxygen
throughout the body.
What is the average lifespan of erythrocytes? - CORRECT ANSWER 120 days
How long does erythrocytes take to regenerate? - CORRECT ANSWER 6 (six) to 8 (eight) weeks
Define "hemostasis" - CORRECT ANSWER Arrest of bleeding, whether by normal vasoconstriction,
coagulation, or surgical means.
What is plasma? - CORRECT ANSWER Fluid portion of the blood in which the cellular components are
suspended.
What make up the formed elements of blood? - CORRECT ANSWER Thrombocytes (platelets)
Erythrocytes (red blood cells)
Leukocytes (white blood cells)
What are the appropriate cleansers for a clean-catch urine collection? - CORRECT ANSWER Castille soap
wipes
Benzalkonium Chloride (BZK) wipes
Which HEMATOLOGY tests may be performed from capillary blood collection?
