18 Questions
Which layer of the adrenal gland is responsible for the production and secretion of mineralocorticoids, glucocorticoids, and weak androgens?
F-zone (Zona Fasciculata)
Which hormone is primarily secreted by the Adrenal Medulla?
Epinephrine
What percentage of the adrenal gland does the Adrenal Medulla comprise?
10%
Which defect in steroid hormone synthesis can lead to adrenal insufficiency?
Conversion of cholesterol to pregnenolone
From which cells does the Adrenal Cortex primarily derive?
Mesenchymal cells near the urogenital ridge
What is the main function of cortisol in the body?
Maintaining blood glucose levels
What color is the Adrenal Medulla when seen on gross sectioning?
Reddish-brown
Which effect is NOT associated with cortisol?
Stimulating antibody formation
What hormone is responsible for regulating blood pressure and volume status?
Aldosterone
Which imaging technique is considered superior to adrenal CT in diagnosing certain adrenal conditions?
Venous sampling
In patients with aldosteronism, what effect does captopril have on plasma aldosterone levels?
It suppresses plasma aldosterone levels
Which zone of the adrenal cortex makes up the majority (75%) of its structure?
Zona fasciculata
Which of the following is NOT a part of the adrenal gland?
Pituitary
What is the primary function of the adrenal gland?
Produce hormones that regulate blood pressure and electrolyte balance
What is the term used to describe the location of the adrenal gland?
Suprarenal
What is the inherited family of enzyme disorders affecting cortisol, aldosterone, and sex steroid production called?
Congenital adrenal hyperplasia (CAH)
What hormone is responsible for initiating steroid production in the adrenal gland?
Adrenocorticotropic hormone (ACTH)
What is the approximate weight of each adrenal gland?
4-6 grams
Test your knowledge on the adrenal gland, also known as the suprarenal gland. Learn about its location, structure, and functions in hormone production affecting blood pressure and electrolyte balance.
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