Epinephrine and nor-epinephrine are secreted by adrenal medulla (under the control of sympathetic nervous system) in response to stress of any kind or during emergency situations. These are also called emergency hormones or hormones of flight, fight and fright (triple F hormone).
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…
NEET UG 2012 — Zoology Chemical Coordination and Integration
2012mcqmedium
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 neurohormonal control system?
Official previous-year question
Held on 30 Apr 2012 · Verified 9 Jul 2026.
Options
- A
Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla
- B
Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse
- C
Hypothalamus activates the parasympathetic division of brain
- D
Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex
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