Been stuck on the question for a while and cant find the right answer Which of t

Question

Been stuck on the question for a while and cant find the right answer

Which of the following is TRUE? Exercise causes lengthening of vessels, thereby increasing total peripheral resistance, ultimately increasing diastolic blood pressure O During exercise, more parasympathetic nervous system activity causes vasodilation of arterioles After exercise, a subject may experience a decrease in mean arterial blood pressure Mean arterial blood pressure is closer in value to systolic pressure since the heart spends more time in systole than diastole Vasoconstriction decreases total peripheral resistance, thereby decreasing diastolic blood pressure

Explanation / Answer

During exercise, muscle dilate to provide more blood flow. This vasodilation lower the total peripheral resistance and thus mean arterial pressure. During exercise, diastolic pressure decreases and mean arterial pressure increases. Mean arterial pressure is close to diastolic pressure. Vasoconstriction increases peripheral resistance.

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