NEET Previous Year Question
A person entering an empty room suddenly finds a snake right in front of the opening of door. Which one of the following is likely to happen in his neuro-hormonal control system?
Topic: NEET PYQ
Answer: A. Full step-by-step solution below.
- ASympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla.
- BNeurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse.
- CHypothalamus activates the parasympathetic division of brain.
- DSympathetic nervous system is activated releasing epinephrine and the system is activated releasing epinephrine and norepinephrine from adrenal cortex
Correct answer: A
Solution
(a) Seeing a snake triggers a fight-or-flight response. The sympathetic nervous system stimulates the adrenal medulla to release epinephrine and norepinephrine.More Neural Control & Coordination PYQs
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