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Epinephrine and norepinephrine, released during stress and emotion, are called emergency hormones and are secreted by the:
AAdrenal cortex
BParathyroid gland
CThymus gland
DAdrenal medulla
Answer & Solution
Correct answer: D. Adrenal medulla
1. The adrenal medulla is the inner part of the adrenal gland made of chromaffin cells.
2. It secretes epinephrine (adrenaline) and norepinephrine.
3. These are released during stress and emotion and are called emergency or fight, fright and flight hormones.
4. The adrenal cortex makes corticosteroids, so it is ruled out along with thymus and parathyroid.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 16 Plant and Animal Hormones "Adrenal Medulla", p.244_
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