Drugs like barbiturates precipitate symptoms of prophyria because______________?
Correct answer: A. They depress ALA synthase
- A. They depress ALA synthase
- B. They inhibit ALA synthase
- C. They induce heme oxygenase
- D. They inhibit heme oxygenase
Explanation
Barbiturates induce hepatic ALA synthase, increasing porphyrin precursor production and potentially precipitating acute porphyria. They do not depress or inhibit ALA synthase.
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