CMAC - Phlebotomy Exam Questions
and Answers (Latest Update 2026)
According to the general rule of phlebotomy, how many times may
a patient be stuck by the same technician in the same visit? -
correct answer ✅Twice
What laboratory test measures platelet function whereby a small
incision is made in the patient's arm? -
correct answer ✅Bleeding time
What is the estimated risk for infection of Hepatitis C after a
needlestick injury? -
correct answer ✅Between 1-2%
What is the approximate lifespan of A1c molecules? -
correct answer ✅4 months
What can happen when a vacutainer tube passes its expiration
date? -
correct answer ✅The vacuum is lost.
How much whole blood is needed to yield 5 mL of serum? -
correct answer ✅10mL
, CMAC - Phlebotomy Exam Questions
and Answers (Latest Update 2026)
Which of the following vacutainer tubes does not contain an
additive? -
correct answer ✅Red
RBCs have a total life span of approximately how long? -
correct answer ✅120 days
A coagulation test commonly used to monitor Coumadin therapy is
which of the following? -
correct answer ✅PT
Which vacutainer is used for most hematology procedures? -
correct answer ✅Lavender top
Which blood collection evacuated tube contains the anticoagulant
sodium citrate? -
correct answer ✅Light blue top
What does an ABO Rh blood test determine? -
correct answer ✅Blood type
and Answers (Latest Update 2026)
According to the general rule of phlebotomy, how many times may
a patient be stuck by the same technician in the same visit? -
correct answer ✅Twice
What laboratory test measures platelet function whereby a small
incision is made in the patient's arm? -
correct answer ✅Bleeding time
What is the estimated risk for infection of Hepatitis C after a
needlestick injury? -
correct answer ✅Between 1-2%
What is the approximate lifespan of A1c molecules? -
correct answer ✅4 months
What can happen when a vacutainer tube passes its expiration
date? -
correct answer ✅The vacuum is lost.
How much whole blood is needed to yield 5 mL of serum? -
correct answer ✅10mL
, CMAC - Phlebotomy Exam Questions
and Answers (Latest Update 2026)
Which of the following vacutainer tubes does not contain an
additive? -
correct answer ✅Red
RBCs have a total life span of approximately how long? -
correct answer ✅120 days
A coagulation test commonly used to monitor Coumadin therapy is
which of the following? -
correct answer ✅PT
Which vacutainer is used for most hematology procedures? -
correct answer ✅Lavender top
Which blood collection evacuated tube contains the anticoagulant
sodium citrate? -
correct answer ✅Light blue top
What does an ABO Rh blood test determine? -
correct answer ✅Blood type
