| ⇦ | 
| ⇨ |
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-harmonal control system?
Options
(a) Sympathetic nervous systemis activated releasing epinephrin and norepinephrin 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 epinephrin and norepinephrin from adrenal cortex.
Correct Answer:
Sympathetic nervous systemis activated releasing epinephrin and norepinephrin from adrenal medulla.
Explanation:
Epinephrine and norepinephrine are secreted by adrenalmedulla in response to stress of any kind and during emergency situations and are called emergency hormones or hormones of flight, or fight.
Related Questions: - There is no DNA in:
- Nerve fibre is different from the muscle fibre due to
- In human females, meiosis-II is not complete until?
- A young infant may be feeding entirely on mothers milk
- Addition or deletion of one or few chromosomes results in
Topics: Locomotion and Neural Control
(33)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- There is no DNA in:
- Nerve fibre is different from the muscle fibre due to
- In human females, meiosis-II is not complete until?
- A young infant may be feeding entirely on mothers milk
- Addition or deletion of one or few chromosomes results in
Topics: Locomotion and Neural Control (33)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply