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Questions and Answers
What is the primary diagnostic marker for congenital adrenal hyperplasia (CAH) caused by 21-hydroxylase deficiency?
What is the primary diagnostic marker for congenital adrenal hyperplasia (CAH) caused by 21-hydroxylase deficiency?
- DHEA
- 17-hydroxyprogesterone (correct)
- 11-deoxycortisol
- Cortisol
Which enzyme deficiency is associated with elevated 11-deoxycortisol levels?
Which enzyme deficiency is associated with elevated 11-deoxycortisol levels?
- 11β-hydroxylase deficiency (correct)
- 17α-hydroxylase deficiency
- 21-hydroxylase deficiency
- 3β-hydroxysteroid dehydrogenase deficiency
Which of the following is NOT a characteristic of catecholamines?
Which of the following is NOT a characteristic of catecholamines?
- Produced from phenylalanine
- Synthesized in the adrenal medulla
- Increase blood glucose levels
- Act as neurotransmitters (correct)
Which of the following is the most important substance produced by the adrenal medulla?
Which of the following is the most important substance produced by the adrenal medulla?
What is the primary function of epinephrine (adrenaline)?
What is the primary function of epinephrine (adrenaline)?
Which type of adrenal insufficiency is characterized by low cortisol, low aldosterone, and high androgenic hormones?
Which type of adrenal insufficiency is characterized by low cortisol, low aldosterone, and high androgenic hormones?
Which of the following is a clinical manifestation of androgen excess in infant girls?
Which of the following is a clinical manifestation of androgen excess in infant girls?
Which of the following is a diagnostic marker for congenital adrenal hyperplasia (CAH)?
Which of the following is a diagnostic marker for congenital adrenal hyperplasia (CAH)?
Which of the following is a potential cause of adrenal insufficiency?
Which of the following is a potential cause of adrenal insufficiency?
In men, excess androgens converted to estrogens can lead to which of the following effects?
In men, excess androgens converted to estrogens can lead to which of the following effects?
Which of the following statements is true regarding DHEA and DHEAS?
Which of the following statements is true regarding DHEA and DHEAS?
Which of the following is a symptom of glucocorticoid deficiency in adrenal insufficiency?
Which of the following is a symptom of glucocorticoid deficiency in adrenal insufficiency?
What is the most common cause of adrenal insufficiency mentioned in the text?
What is the most common cause of adrenal insufficiency mentioned in the text?
In congenital adrenal hyperplasia (CAH), the levels of DHEA/DHEAS are often elevated by how much?
In congenital adrenal hyperplasia (CAH), the levels of DHEA/DHEAS are often elevated by how much?
Which of the following best describes congenital adrenal hyperplasia (CAH)?
Which of the following best describes congenital adrenal hyperplasia (CAH)?
Which type of adrenal insufficiency occurs when the hypothalamus fails to produce sufficient amounts of CRH?
Which type of adrenal insufficiency occurs when the hypothalamus fails to produce sufficient amounts of CRH?
Which of the following symptoms is associated with mineralocorticoid deficiency in adrenal insufficiency?
Which of the following symptoms is associated with mineralocorticoid deficiency in adrenal insufficiency?
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