and Answers (Latest Update 2026)
Which of the following is the best indication that a patient might be
at risk of syncope?
a. Involuntary movement
b. Lightheadedness and shallow breath
c. Small red spots appearing on skin
d. Paleness and sweating -
correct answer ✅d. Paleness and sweating
Why is it important for a phlebotomist to invert anticoagulant
tubes?
a. To prevent a pH imbalance
b. To prevent hemolysis
c. To ensure proper mixing of blood and additive
d. To prevent hemoconcentration -
correct answer ✅c. To ensure proper mixing of blood and additive
Which of the following protects a patient's information?
,NHCO Phlebotomy Exam Questions
and Answers (Latest Update 2026)
a. OSHA
b. HIPPA
c. The Joint Commission
d. AAHSA -
correct answer ✅b. HIPPA
Which of the following needle sizes is NOT used for laboratory
assays but for collection of donor units of blood?
a. 18-gauge
b. 23-gague
c. 21-gague
d. 22-gague -
correct answer ✅a. 18-gauge
How many minutes within collection of a urine sample should the
phlebotomist take the temperature of the specimen?
a. Within 10 minutes
b. Within 45 minutes
,NHCO Phlebotomy Exam Questions
and Answers (Latest Update 2026)
c. Within 30 seconds
d. Within 4 minutes -
correct answer ✅d. Within 4 minutes
Quality control checklists ensure machines are inspected for
compliance at time intervals specific to the equipment and
________.
a. Clinical application
b. Chemical measurement
c. Expiration date
d. Stock rotation -
correct answer ✅a. Clinical application
Which of the following actions will most likely prevent a needle
stick injury?
a. Having a nurse or other healthcare team member dispose of
used needles for the phlebotomist
b. Replacing sharps containers when they have reached their fill line
, NHCO Phlebotomy Exam Questions
and Answers (Latest Update 2026)
c. Recapping every needle prior to discarding it in the sharps
container
d. Wearing rubber gloves during venipuncture -
correct answer ✅b. Replacing sharps containers when they have
reached their fill line
Which of the following pieces of information need to be on a
laboratory requisition form before a phlebotomist should proceed
with obtaining a blood specimen?
a. The patient's status as an organ donor
b. A specimen identification code
c. A laboratory's CLIA number
d. The patient's emergency contact -
correct answer ✅b. A specimen identification code
A patient is listening to a phlebotomist explain the venipuncture
process before initiating the blood draw. The patient communicates
their understanding but seems hesitant and confused. How should
the phlebotomist handle the situation?