Which of the following properties does not pertain to the arterioles?
A) their radii cannot be changed.
B) their walls contain a thick layer of smooth muscle.
C) they are responsible for the distribution of blood flow to the various organs.
D) they are the major vessels that contribute to total peripheral resistance.
E) they are richly innervated by sympathetic nerve fibers.
Correct Answer:
Verified
Q23: Mean arterial pressure is:
A)diastolic pressure + (systolic/3)
B)systolic
Q32: The pressure measured in the arteries just
Q33: The major resistance vessels of the body
Q34: Which of the following provides vascular tone?
A)
Q35: These vessels allow blood to bypass capillary
Q36: What force continues to drive blood through
Q38: The pressure that is the difference between
Q40: Increased respiration within a tissue leads to
Q41: Arterioles to this organ do not normally
Q42: Which does not cause arteriolar vasodilation?
A) decreased
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