Pharmacology · single question
Dexamethasone is best classified pharmacologically as a:
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Correct answer: B. Glucocorticoid agonist
- A. It activates, rather than blocks, the glucocorticoid receptor.
- B. Correct. Dexamethasone is a potent synthetic glucocorticoid receptor AGONIST with minimal mineralocorticoid activity.
- C. It is not primarily a mineralocorticoid agonist (negligible mineralocorticoid effect).
- D. Spironolactone is a mineralocorticoid antagonist; dexamethasone is not.