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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
- Bulk of carbon dioxide (CO₂) released form body tissues into the blood is present as
- Male and female cockroaches can be distinguished externally through
- The mineral present in cell wall is
- Organisms which are indicator of SO2 pollution of air
- Protists obtain their food 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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