Q:

By which means will the sympathetic response raise blood pressure?

belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:12.5| Question number:6

waelhammad

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2022-10-18

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By which means will the sympathetic response raise blood pressure?

Vasoconstriction due to stimulation of alpha receptors
Vasoconstriction due to stimulation of beta receptors
Increase cardiac output due to stimulation of alpha receptors
Increased stroke volume due to stimulation of alpha receptors

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waelhammad

2022-10-18

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A: The neurotransmitter epinephrine will attach to the alpha receptor sites of smooth muscle in blood vessels and cause vasoconstriction (except for blood vessel in skeletal muscle). Choices C and D are wrong as beta, not alpha receptors increase CO. Choice A is wrong as alpha (not beta) produce vasoconstriction.

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