AIPMT 2012 Biology Solved Paper

Question : 28 of 100

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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 ?

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

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