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

Question

( A ) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal cortex
( B ) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla
( C ) Hypothalamus activates the parasympathetic division of brain
( D ) Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse