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Questions and Answers
Where is aldosterone exclusively synthesized?
Where is aldosterone exclusively synthesized?
- Zona fasciculata
- Z.Glomerulosa (correct)
- Adrenal medulla
- Zona reticularis
What is the function of the steroidogenic acute regulatory protein (StAR)?
What is the function of the steroidogenic acute regulatory protein (StAR)?
- To synthesize aldosterone
- To regulate cortisol production
- To carry cholesterol to the inner mitochondrial membrane (correct)
- To convert cholesterol to pregnenolone
What is the rate-limiting step in steroid hormone biosynthesis?
What is the rate-limiting step in steroid hormone biosynthesis?
- The synthesis of cortisol
- The hydroxylation at the 17-alpha position
- The conversion of pregnenolone to progesterone
- The cleavage of the side chain of cholesterol by cytochrome P450 side chain cleavage enzyme (correct)
What is the common precursor for all other steroids?
What is the common precursor for all other steroids?
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What is the primary function of aldosterone?
What is the primary function of aldosterone?
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Which of the following is the primary regulator of electrolyte balance and extracellular fluid volume?
Which of the following is the primary regulator of electrolyte balance and extracellular fluid volume?
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What is the resulting problem in Primary Hyperaldosteronism (Conn’s syndrome)?
What is the resulting problem in Primary Hyperaldosteronism (Conn’s syndrome)?
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What is the primary stimulus for aldosterone secretion?
What is the primary stimulus for aldosterone secretion?
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What is the purpose of measuring plasma aldosterone/renin ratio?
What is the purpose of measuring plasma aldosterone/renin ratio?
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What is the primary function of glucocorticoid receptors?
What is the primary function of glucocorticoid receptors?
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