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

Question

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

Toppr Admin · Accepted Answer

Epinephrine and norepinephrine are released by the adrenal medulla and nervous system respectively- They are the flight-fight hormones that are released when the body is under extreme stress- They are also called as emergency hormone as it initiates quick reaction which makes the individual to think and respond quickly to the stress- The hormone increases metabolic rate- Dilation of blood vessels going to heart and the brain occurs-xA0-So- the correct answer is option A-