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 norepinephrine are secreted by adrenalmedulla in response to stress of any kind and during emergency situations and are called emergency hormones or hormones of flight, or fight.
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