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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
- As we go from species to kingdom in a taxonomic hierarchy the number of common
- A column of water within xylem vessels of tall trees does not break under its weight
- Colour blindness, in male, can be represented as
- Which is maintained for optimum production of vinegar
- The bacterium Bacillus thuringiensis is widely used in contemporary biology as
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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