1. What is the effect of the sudden discontinuation of long-term external corticosteroids (such as prednisolone) on the pituitary and adrenal glands?
Anonymous Quiz
40%
The adrenal gland atrophies, and the pituitary gland hypertrophies.
40%
Both the pituitary and adrenal glands atrophy.
7%
Both the pituitary and adrenal glands hypertrophy.
13%
The pituitary gland atrophies, and the adrenal gland hypertrophies.
2. Which peptide hormone, by binding to its membrane receptors, acts through the cGMP (cyclic guanosine monophosphate) second messenger pathway?
Anonymous Quiz
13%
Glucagon
19%
Gonadotropin-releasing hormone (GnRH)
63%
Atrial natriuretic peptide (ANP)
6%
Antidiuretic hormone (ADH)
3. In an untreated patient with congenital adrenal hyperplasia (CAH) due to a defect in the 21-hydroxylase enzyme, what is the most likely hormonal profile?
Anonymous Quiz
20%
Normal ACTH, decreased aldosterone, and normal cortisol.
7%
Increased ACTH, decreased cortisol, and decreased adrenal androgens.
33%
Decreased ACTH, increased cortisol, and increased adrenal androgens.
40%
Increased ACTH, decreased aldosterone, and increased adrenal androgens.