A) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla
B) Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse
C) Hypothalamus activates the parasympathetic division of brain
D) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex
Correct Answer: A
Solution :
| [A] Epinephrine and nor-epinephrine are secreted by adrenal medulla (under the control of sympathetic nervous system) in response to stress of any kind or during emergency situations. These are also called emergency hormones or hormones of flight, fight and fright (triple F hormone). |
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