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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).
Related Questions: - Which of the following communities is more vulnerable to invasion by outside animals
- The triceps and biceps muscles are of
- Stroma in the chloroplasts of ohigher plant contains:
- Chloroplast have maximum number of which of the following enzyme?
- Which one of the following cell organelles does not contain DNA?
Topics: Locomotion and Neural Control
(33)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following communities is more vulnerable to invasion by outside animals
- The triceps and biceps muscles are of
- Stroma in the chloroplasts of ohigher plant contains:
- Chloroplast have maximum number of which of the following enzyme?
- Which one of the following cell organelles does not contain DNA?
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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