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Feeling tremors of an earthqake a scared resident of seventh floor of a multistored building starts climbing down the stairs rapidly. Which hormone initaited this action?
Options
(a) adrenaline
(b) glucagon
(c) gastrin
(d) thyroxin
Correct Answer:
adrenaline
Explanation:
It is commonly called as ’emergency hormone’ or 3F – hormone (For fear, fight & flight). ITs seceretion is regulated by SNS, and not by pituitary as in case of adrenal cortex. It stimulates sweating, heart beat, and brething rate. It causes the dilation of cornary artery (supplying blood to the heart muscles), bronchioles (for increasing inspiratory volume) and pupil (for better vision).
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Topics: Locomotion and Neural Control
(33)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- All population in a given physical area are defined as
- When EDTA is injected into the muscles it combines with Ca2+ ions and then
- The finches of Galapagos islands provide an evidence in favour of
- In humans lipofucsin granules are found in
- Which one of the following is a fat-soluble vitamin and its related deficiency disease?
Topics: Locomotion and Neural Control (33)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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