The major factor that promotes increased secretion of cortisol from the adrenal cortex is
A) low Na+ concentration in the extracellular fluid.
B) stress.
C) angiotensin II.
D) increased blood amino acid concentration.
E) increased blood glucose concentration.

Question

Quizplus · Accepted Answer

The major factor that promotes increased secretion of cortisol from the adrenal cortex is stress, which can be physical or psychological. Cortisol helps the body cope with stress by increasing blood glucose levels and suppressing the immune system. While low Na+ concentration in the extracellular fluid can stimulate aldosterone production, it does not have a direct effect on cortisol secretion. Angiotensin II stimulates aldosterone production but has little effect on cortisol secretion. Increased blood amino acid concentration can stimulate insulin secretion but has a minimal effect on cortisol secretion. Increased blood glucose concentration can indirectly promote cortisol secretion through the hypothalamus-pituitary-adrenal axis.

The Major Factor That Promotes Increased Secretion of Cortisol from the Adrenal