Phlebotomy Technician Certification
Anatomy and physiology: practice questions
Our Phlebotomy bank has 17 questions on this topic. Here are 3 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1
What are leukocytes?
- Platelets
- White blood cells, which fight infection
- Red blood cells
- Clotting factors that help seal damaged vessels
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B. White blood cells, which fight infection — Types include neutrophils and lymphocytes.
Question 2
Which chamber of the heart pumps oxygenated blood to the body?
- Right ventricle
- Left ventricle
- Left atrium
- Right atrium
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B. Left ventricle — It has the thickest muscular wall.
Question 3
About what percentage of whole blood is plasma?
- About 10%
- About 25%
- About 90%
- About 55%
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D. About 55% — The rest is formed elements, mostly red cells.