Pharmacokinetics of Glucocorticoids: Absorption and Fate
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Questions and Answers

What is the potential benefit of alternate-day administration of corticosteroids?

  • Reducing the risk of infection
  • Allowing the HPA axis to recover on days the hormone is not taken (correct)
  • Increasing the absorption of calcium in the intestines
  • Decreasing the production of sex hormones

What is the most common adverse effect of long-term glucocorticoid therapy?

  • Cushing-like syndrome
  • Osteoporosis (correct)
  • Hypokalemia
  • Hypertension

What is the consequence of sudden discontinuation of glucocorticosteroids in patients with suppression of the HPA axis?

  • Hypoglycemia
  • Acute adrenal insufficiency (correct)
  • Hypertension
  • Emotional disturbances

Which drug is used to treat patients with Cushing syndrome?

<p>Ketoconazole (A)</p> Signup and view all the answers

What is the role of spironolactone in the treatment of hypertension?

<p>Competing for the mineralocorticoid receptor (B)</p> Signup and view all the answers

Why is it necessary to taper the dose of glucocorticosteroids slowly during discontinuation?

<p>To prevent acute adrenal insufficiency (A)</p> Signup and view all the answers

What is the percentage of glucocorticoids bound to plasma proteins?

<p>Greater than 90% (A)</p> Signup and view all the answers

What is the primary organ responsible for metabolizing corticosteroids?

<p>Liver (C)</p> Signup and view all the answers

Why is prednisone preferred in pregnancy?

<p>It has minimal effects on the fetus (B)</p> Signup and view all the answers

What is the fate of corticosteroids after metabolism?

<p>They are conjugated to glucuronic acid or sulfate and excreted by the kidney (D)</p> Signup and view all the answers

What happens to the HPA axis when large doses of corticosteroids are required for more than 2 weeks?

<p>It is suppressed (D)</p> Signup and view all the answers

What is the primary consideration when determining the dosage of corticosteroids?

<p>Type of preparation (A)</p> Signup and view all the answers

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