Fight-or-flight reactions cause activation of:

1 2014 AIPMT Chemical Coordination and Integration Adrenal gland Easy

Fight-or-flight reactions cause activation of:

A the parathyroid glands, leading to increased metabolic rate

B the kidney, leading to suppression of renin-angiotensin-aldosterone pathway

C the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine

D the pancreas leading to a reduction in the blood sugar levels

Detailed Solution

In stress or emergency the adrenal medulla secretes adrenaline (epinephrine) and noradrenaline (norepinephrine), the fight-or-flight hormones.

3 questions from this chapter have appeared across 3 exam years.