Feeling the tremors of an earthquake, a scared resident of seventh floor of a multi-storeyed building starts climbing down the stairs rapidly. Which hormone initiated this action?
A
Adrenaline
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B
Glucagon
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C
Gastrin
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D
Thyroxine
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Solution
The correct option is A Adrenaline Adrenaline/ epinephrine is normally produced by both the adrenal glands and certain neurons. It plays an important role in the fight-or-flight response by increasing blood flow to muscles, output of the heart, pupil dilation response, and blood sugar level. Since it was an emergency to save the body, adrenaline was released.