Muscle tension in cardiac contractile muscle

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1. Standing in one place for a prolonged period, especially in a hot climate, can lead to a drop in MAP which can cause fainting. Explain how standing + heat contribute to lowering MAP. Hint: focus on the effects of dehydration (due to heat) and reduced activity in the skeletal-muscle pump (due to standing in one place). Be sure to comment on whether dehydration and reduced skeletal-muscle pump activity would primarily affect SV, HR, and/or R, and how this would affect MAP.

2. Is the statement correct or incorrect and what's the reasoning for your answer. Muscle tension in cardiac contractile muscle can be increased by temporal summation.

Reference no: EM132654282

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