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Chemical Coordination and Integration question

2007 · Q17
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Chemical Coordination and Integration question

2007 · Q17

NEETBiologyChemical Coordination and IntegrationMCQ+4 / −1
Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action?
  1. A
    Adrenaline
  2. B
    Glucagon
  3. C
    Gastrian
  4. D
    Thyroxine
View written solutionFree

Correct answer: A

Adrenaline (epinephrine), also called emergency hormone, is a hormone, produced by the medulla of the adrenal glands, that increases heart activity, improves the power and prolongs the action of muscles and increases the rate and depth of breathing to prepare the body for ‘fright, flight or fight’. At the same time it inhibits digestion and excretion. Similar effects are produced by stimulation of the sympathetic nervous system.

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