Multiple Choice
Autoregulation of blood flow to contracting muscles during exercise is due to
A) the withdrawal of sympathetic impulses to arteries.
B) an increase in parasympathetic outflow to arterioles.
C) locally produced factors such as nitric oxide,prostaglandins,and adenosine.
D) an increase in sympathetic impulses to arterioles.
Correct Answer:

Verified
Correct Answer:
Verified
Q21: A local increase in the nitric oxide
Q22: The _ represents ventricular repolarization during a
Q23: Which of the following factors has the
Q24: The muscle of the heart is referred
Q25: At any end-diastolic volume,stroke volume is increased
Q27: The arterial-venous oxygen difference<br>A)increases as a function
Q28: The metabolic demand of the heart can
Q29: The greatest resistance to blood flow is
Q30: All gas exchange between the vascular system
Q31: During exercise,the time spent in diastole and