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A person entering an empty room suddenly...

A person entering an empty room suddenly find a snake right in front on opening the door.Which one of the following is likely to happen in his neuro-hormonal control system?

A

Sympathetic nervous system is activated releasing epinephrine and nor-epinephrine 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 nor-epinephrine from adrenal cortex

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