A person has cold, painful fingertips because of excessively constricted blood vessels in the skin. Which of...

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Medical Sciences

A person has cold,painful fingertips because of excessively constricted blood vesselsin the skin. Which of the following alterations in autonomicfunction is most likely to be involved?
a. Low concentration of circulating epinephrine
b. High sensitivity of arterioles to norepinephrine
c. High sensitivity of arterioles to nitric oxide
d. Low parasympathetic nerve activity
e. Arterioles insensitive to epinephrine

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Answer Option D Low parasympathetic nerve activity Explanation The two branches of the peripheral nervous system include the somatic neural system which innervates the voluntary parts of the body whereas the second branch is the autonomic nervous system which controls the functioning of the involuntary activities of the body It has two branches the sympathetic nervous system and the parasympathetic nervous system which opposes the functioning of each other Given in the question that See Answer

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