A man has to face an interview, but during his first five minutes before the interview, he experiences sweating, increased heart rate, and respiration. Which hormone is responsible for his restlessness?
Correct answer: C. Epinephrine and norepinephrine
- A. Adrenocorticotropic hormone
- B. Insulin and glucagon
- C. Epinephrine and norepinephrine
- D. Aldosterone
Explanation
Epinephrine and norepinephrine are responsible for the physical symptoms described because they trigger the 'fight-or-flight' response in stressful situations. These hormones increase heart rate, respiration, and other responses to prepare the body for action. The other options, such as ACTH, insulin, glucagon, and aldosterone, do not directly cause the specific symptoms mentioned in the question.
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Chemical coordination uses hormones released by endocrine glands and carried in blood to specific target cells. Coverage includes the pituitary, thyroid, pancreas, adrenal glands, ovaries and testes, feedback control, and the contrast between slower, longer-lasting hormonal responses and rapid nervous coordination.
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