Phlebotomy Practice Exam Questions with 100% Correct
Answers Verified | Updated 2024/2025
The puncture site for a Simplate Bleeding Time Test should be:
5 cm below the antecubital bend
Tubes should be inverted within ______ seconds of the draw.
30 seconds
When performing a blood culture test, the ______________ uses standard
vacuum tubes that contain the growth medium.
Direct draw, vacutainer, syringe, butterfly
vacutainer
What test is not part of the blood sugar panel?
Insulin, GTT, Insulin Antibody, LDL
LDL (bad cholesterol)
T or F If a patient is mentally ill, the rules of consent do not apply.
true
The department performs cross-matching tests to determine if a donor is a match
for the recipient of any blood product.
Blood Bank
When performing a blood culture with povidone-iodine, you should swab the are
in a _____ diameter from the site.
8 in, 2in, 2cm, 4in
4 in
Without fluoride, glucose will decrease in concentration by ____% within a single
hour.
30-40, 20-25, 7-10, 2-5
?
Your first step when performing an arterial blood gas test is to:
conduct the Allen Test
What vein is most commonly used for venipuncture?
antecubital vein
T or F Inverting plain glass tubes can lead to hemolysis
true
rolling veins tend to be present mostly in:
both geriatric patients & extremely muscular patients.
For platelet testing , you use what color topped tube?
green, lavender, yellow, green
lavender
This is an anticoagulant generally used in coagulation
sodium citrate, oxalate-fluoride, sodium fluoride, heparin
sodium citrate (light blue- preform coagulation testing)
T or F Using the finger, pinky, or thumb when performing a finger stick could
result in injury to an artery.
true
, To conduct the Allen Test, you should apply pressure to the _____ and
_____arteries.
ulnar, radial
Yellow toped tubes contain ____ Solution.
sodium citrate, SST, ACD, WBC
ACD
What additive do light blue topped tubes hold?
Sodium citrate
What test is not part of the coronary risk comprehensive profile ?
Blood lipid percentile score, triglycerides, fasting glucose, cholesterol
fasting glucose
What additive do light blue topped tubes hold?
sodium citrate, EDTA, SST, nothing
sodium citrate
EDTA is a strong ___________.
antibody, antigen, anti-coagulant, coagulant
anti-coagulant
Which of these tests are part of both the diabetic panel and the blood sugar
panel?
Glycohemoglobin, Both glycohemoglobin & HLA-DR3, fructosamine, HlA-DR3
Both glycohemoglobin & HLA-DR3
The tests included in this panel are all that are in the Executive Panel with the
addition of a Thyroxine test.
Executive Profile/T4, Executive Profile T, T4 Profile T Profile
???
________ for a PKU screening consists of several circles in the blood should be
directly applied after performing a heel stick.
filter paper
If performing a GTT and a patient's fasting sugar is ____ the physician or nurse
should be notified before proceeding.
Both below 80mg/dl & above 120mg/dl
What test is a light blue topped sodium citrate tube used for?
PTT, Blood Culture, RBC, CBC
PTT
A skin puncture collects ___________.
arterial blood, venous blood, capillary blood, all of the above
capillary blood
A patient should be fasting _____ hours before a GTT.
8-10
If an Allen Test is negative, what should you do?
Contact the doctor, try the other hand, perform the test on the ulnar artery
anyways, just perform the test on another artery
try the other hand
A 6-8 pound baby cannot lose more than ____mL of blood at any given time.
2.5
Answers Verified | Updated 2024/2025
The puncture site for a Simplate Bleeding Time Test should be:
5 cm below the antecubital bend
Tubes should be inverted within ______ seconds of the draw.
30 seconds
When performing a blood culture test, the ______________ uses standard
vacuum tubes that contain the growth medium.
Direct draw, vacutainer, syringe, butterfly
vacutainer
What test is not part of the blood sugar panel?
Insulin, GTT, Insulin Antibody, LDL
LDL (bad cholesterol)
T or F If a patient is mentally ill, the rules of consent do not apply.
true
The department performs cross-matching tests to determine if a donor is a match
for the recipient of any blood product.
Blood Bank
When performing a blood culture with povidone-iodine, you should swab the are
in a _____ diameter from the site.
8 in, 2in, 2cm, 4in
4 in
Without fluoride, glucose will decrease in concentration by ____% within a single
hour.
30-40, 20-25, 7-10, 2-5
?
Your first step when performing an arterial blood gas test is to:
conduct the Allen Test
What vein is most commonly used for venipuncture?
antecubital vein
T or F Inverting plain glass tubes can lead to hemolysis
true
rolling veins tend to be present mostly in:
both geriatric patients & extremely muscular patients.
For platelet testing , you use what color topped tube?
green, lavender, yellow, green
lavender
This is an anticoagulant generally used in coagulation
sodium citrate, oxalate-fluoride, sodium fluoride, heparin
sodium citrate (light blue- preform coagulation testing)
T or F Using the finger, pinky, or thumb when performing a finger stick could
result in injury to an artery.
true
, To conduct the Allen Test, you should apply pressure to the _____ and
_____arteries.
ulnar, radial
Yellow toped tubes contain ____ Solution.
sodium citrate, SST, ACD, WBC
ACD
What additive do light blue topped tubes hold?
Sodium citrate
What test is not part of the coronary risk comprehensive profile ?
Blood lipid percentile score, triglycerides, fasting glucose, cholesterol
fasting glucose
What additive do light blue topped tubes hold?
sodium citrate, EDTA, SST, nothing
sodium citrate
EDTA is a strong ___________.
antibody, antigen, anti-coagulant, coagulant
anti-coagulant
Which of these tests are part of both the diabetic panel and the blood sugar
panel?
Glycohemoglobin, Both glycohemoglobin & HLA-DR3, fructosamine, HlA-DR3
Both glycohemoglobin & HLA-DR3
The tests included in this panel are all that are in the Executive Panel with the
addition of a Thyroxine test.
Executive Profile/T4, Executive Profile T, T4 Profile T Profile
???
________ for a PKU screening consists of several circles in the blood should be
directly applied after performing a heel stick.
filter paper
If performing a GTT and a patient's fasting sugar is ____ the physician or nurse
should be notified before proceeding.
Both below 80mg/dl & above 120mg/dl
What test is a light blue topped sodium citrate tube used for?
PTT, Blood Culture, RBC, CBC
PTT
A skin puncture collects ___________.
arterial blood, venous blood, capillary blood, all of the above
capillary blood
A patient should be fasting _____ hours before a GTT.
8-10
If an Allen Test is negative, what should you do?
Contact the doctor, try the other hand, perform the test on the ulnar artery
anyways, just perform the test on another artery
try the other hand
A 6-8 pound baby cannot lose more than ____mL of blood at any given time.
2.5
