60. 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) At all times, the adrenal gland monitors calcium levels in the blood and regulates calcium by
secreting the two antagonistic hormones, epinephrine and norepinephrine.
(D) At all times, the anterior portion secretes ACTH, while the posterior portion secretes oxytocin.
(E) During stress, ACTH stimulates the adrenal cortex, and neurons of the sympathetic nervous
system stimulate the adrenal medulla.