23. Which of the following statements about the adrenal gland is CORRECT?
(A) During stress, ACTH stimulates the adrenal cortex, and neurons of the sympathetic nervous system stimulate the
adrenal medulla.
(B) At all times, the anterior portion secretes ACTH, while the posterior portion secretes oxytocin.
(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) During stress, the alpha cells of islets secrete insulin and simultaneously the beta cells of the islets secrete glucagon.
(E) During stress, TSH stimulates the adrenal cortex and medulla to secrete acetylcholine.
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