Multiple Choice
Why would stroke volume increase during exercise?
I. Parasympathetic discharge increases cardiac contractility
II. Vasodilation of working muscles increases venous return to the heart
III. Vasoconstriction of peripheral venous blood reservoirs increases venous return
A) I and III only
B) I only
C) II and III only
D) I , II, and III
Correct Answer:
Verified
Correct Answer:
Verified
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