PHYSIOLOGY
GENERAL PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What cardiovascular adaptations can result from endurance training?
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Increased left ventricular volume and increased capillarization
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Decreased left ventricular volume and increased capillarization
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Decreased left ventricular volume and decreased arterio-venous oxygen difference
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Increased left ventricular volume and decreased arterio-venous oxygen difference
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Explanation:
Detailed explanation-1: -The cardiovascular adaptations supporting this include an increase in total body water, plasma volume expansion, better sustainment and/or elevation of stroke volume, reduction in heart rate, improvement in ventricular filling and myocardial efficiency, and enhanced skin blood flow and sweating responses.
Detailed explanation-2: -The increase in size of the heart enables the left ventricle to stretch more and thus fill with more blood. The increase in muscle wall thickness also increases the contractility resulting in increased stroke volume at rest and during exercise, increasing blood supply to the body.
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