Which of the following statements about the adrenal gland is correct?
A)During stress, TSH stimulates the adrenal cortex and medulla to secrete acetylcholine.
B)During stress, the alpha cells of islets secrete insulin and simultaneously the beta cells of the islets secrete glucagon.
C)During stress, ACTH stimulates the adrenal cortex, and neurons of the sympathetic nervous system stimulate the adrenal medulla.
D)At all times, the anterior portion secretes ACTH, while the posterior portion secretes oxytocin.
E)At all times, the adrenal gland monitors calcium levels in the blood and regulates calcium by secreting the two antagonistic hormones, epinephrine and norepinephrine.

Question

Quizplus · Accepted Answer

During stress, the hypothalamus sends a signal to the pituitary gland to release ACTH, which stimulates the adrenal cortex to secrete cortisol. Additionally, neurons of the sympathetic nervous system stimulate the adrenal medulla to secrete epinephrine and norepinephrine. Option A is incorrect because TSH stimulates the thyroid gland and has no direct effect on the adrenal gland. Option B is incorrect because insulin and glucagon are secreted by the pancreas, not the adrenal gland. Option D is incorrect because the anterior and posterior portions of the pituitary gland secrete ACTH and oxytocin, respectively, not the adrenal gland. Option E is incorrect because the adrenal gland does not monitor calcium levels in the blood; that is the function of the parathyroid glands.

Which of the Following Statements About the Adrenal Gland Is