Anatomy, Physiology & Medical Terminology — Phlebotomy Technician Practice Test
55 questions in this topic · 30 drawn at random this round
When whole blood is centrifuged in an anticoagulated tube, the thin, pale layer that forms between the plasma (top) and packed red blood cells (bottom) is called the:
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This Phlebotomy Technician Anatomy, Physiology & Medical Terminology practice set has 55 practice questions based on the official exam materials, each with an instant explanation.
Sample questions
Three questions from the Anatomy, Physiology & Medical Terminology bank with the correct answer and an explanation. The practice quiz above draws 30 questions at random from the same bank.
Which type of blood vessel carries blood AWAY from the heart?
- Arteries — Correct answer
- Veins
- Capillaries
- Lymphatics
Explanation: Arteries carry blood away from the heart; veins return blood toward the heart. (Source: cardiovascular anatomy)
Handbook: Anatomy, Physiology & Terminology — Blood Vessels
Which type of blood vessel carries blood TOWARD the heart?
- Veins — Correct answer
- Arteries
- Arterioles
- Capillaries
Explanation: Veins carry deoxygenated (in most cases) blood back toward the heart; this is the type of vessel used for routine venipuncture. (Source: cardiovascular anatomy)
Handbook: Anatomy, Physiology & Terminology — Blood Vessels
What structure found in veins, but generally NOT in arteries, helps prevent the backflow of blood?
- Valves — Correct answer
- Tunica media
- Sphincters
- Chordae tendineae
Explanation: Veins contain one-way valves, especially in the limbs, that prevent blood from flowing backward as it moves against gravity toward the heart. (Source: cardiovascular anatomy)
Handbook: Anatomy, Physiology & Terminology — Blood Vessels