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A scary scene in a movie increases your cardiac output, increases your blood glucose levels, and...

A scary scene in a movie increases your cardiac output, increases your blood glucose levels, and decreases vessel resistance to skeletal muscle by release of first messenger(s)...
A)   acetylcholine only
B)   norepinephrine only
C)   calcium only
D)   norepinephrine and epinephrine only

please explain!

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Answer #1

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Option D is the right answer because scary scene movie causes fear and stress which induces the parasympathetic nervous system and an adrenal gland that releases the norepinephrine and epinephrine respectively. So, this epinephrine/norepinephrine system causes the increased blood glucose level by enhancing the glycogenolysis, increase the cardiac output, blood pressure strengthen the skeletal muscle to execute the fight-or-flight response.  

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