Practice Quiz

ACSM Personal Trainer

Category - Exercise Programming and Implementation

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Shunting during exercise has the dramatic effect of increasing blood flow to the working skeletal muscles from about 20% of total cardiac output to what increased percent?
  1. 30%
  2. 50%
  3. 85%
  4. 95%
Explanation
Answer: C - Shunting during exercise has the dramatic effect of increasing blood flow to the working skeletal muscles from about 20% of total cardiac output to 85% during high intensity exercise. This is accomplished by the vasoconstriction of vessels around organ systems and the concurrent vasodilation of the vessels in the muscles.
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