Questions and Answers
What is the main purpose of cardiovascular adjustments during exercise?
To deliver oxygen and nutrients to specific exercising muscles
What happens to muscle blood flow during exercise with more than 70% tension?
Blood flow stops completely
Which of the following factors contribute to maintaining high blood flow during exercise?
Increase in tissue PO2
What is a characteristic of isotonic exercises?
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What initiates the increase in heart rate during exercise?
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What leads to dilation of arterioles and precapillary sphincters during exercise?
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What happens to SBP and DBP when stroke volume increases during exercise?
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What is the effect of vasodilation on Total Peripheral Resistance (TPR) during exercise?
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How does blood flow to contracting muscles change during exercise?
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What happens to venous return during exercise?
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How does blood pressure change initially after exercise?
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What local mechanisms help maintain high blood flow during exercise?
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