Which of the choices below explains why the arterioles are known as resistance vessels?
A) They distribute blood to various parts of the body.
B) Their prime function is the exchange of nutrients and wastes between the blood and tissue cells.
C) The contraction and relaxation of the smooth muscle in their walls can change their diameter.
D) They contain a large quantity of elastic tissue.
Correct Answer:
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Q17: Vessels that carry blood away from the
Q18: Arteries supplying the same territory are often
Q19: Which of the following would NOT be
Q20: Which structural layer of blood vessels is
Q21: In general, it is expected that_ .
A)
Q23: The pulse pressure is_ .
A) systolic pressure
Q24: In general, it is expected that_ .
A)
Q25: Which of the following processes provides a
Q26: Atherosclerosis causes elastic arteries to become less
Q27: Which of the following signs of hypovolemic
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