A person entering an empty room suddenly find | vedclass

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(A) The correct answer is $A$. When a person encounters a sudden threat like a snake,the body initiates a 'fight-or-flight' response. This response is

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Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla.

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(A) The correct answer is $A$. When a person encounters a sudden threat like a snake,the body initiates a 'fight-or-flight' response. This response is mediated by the sympathetic nervous system. The sympathetic nervous system stimulates the adrenal medulla to secrete emergency hormones,specifically epinephrine (adrenaline) and norepinephrine (noradrenaline). These hormones prepare the body for immediate physical action by increasing heart rate,blood pressure,and alertness. Note that these hormones are secreted by the adrenal medulla,not the adrenal cortex.

$A$ 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?

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