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Circulatory System Quiz 526 (20 MCQs)

Quiz Instructions

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1. Blood flows through this vessel from the heart to the body carrying oxygenated blood
2. The heart is enclosed in a protective sac called .....
3. Which of the following statements is INCORRECT, in reference to the suitability of RBC's to transport oxygen.
4. There are 3 layers to the heart. This is the innermost layer of the heart wall.
5. Tiny, hairlike structures that line the nasal passages as well as most of the respiratory system
6. What is our Target Heart Rate zone?
7. Blood cells charged with fighting infection, produced in the bone marrow, and with a very short life span are called
8. This goes up and around the heart; delivers blood to the body-the largest artery in the body
9. Blood pressure is measured as:
10. Contraction of the ventricles of the heart
11. It is the movement of blood from the heart, to the lungs and back to the heart.
12. Which humor in excess could cause a temperament characterized by dependability, kindness, and affection?
13. Blood vessels that carry blood back to the heart are the?
14. Before blood can go to the lungs or the body, it has to pass back through the .....
15. White blood cells are responsible for defending the body againest microbs
16. The phase in the cardiac cycle in which the heart relaxes between contractions is known as
17. ..... control the flow of blood through the heart by opening and closing during contractions.
18. Plasma is a liquid component of the blood that makes up 100% of the blood
19. When the heart muscles relax, this is called .....
20. The innermost layer of the tunica intima is the
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