Which of the following properties does not pertain to the arterioles?
A) Their radii remain constant.
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
Q22: Which local chemical changes do not occur
Q23: Mean arterial pressure is:
A)diastolic pressure + (systolic/3)
B)systolic
Q24: Increased respiration within a tissue leads to
Q25: Which local chemical factor is not associated
Q28: If the arterial blood pressure is recorded
Q29: Which statement about nitric oxide is wrong?
A)
Q30: Each of the following local factors produces
Q30: Most sympathetic fibers release _ at arterioles.
A)
Q37: If the pulse pressure is 44 mm
Q48: Which factor would reduce total peripheral resistance?
A)adrenal
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