The absorption of most oral tetracyclines may be adversely affected by:
a. vitamin C. c. pork.
b. calcium-containing antacids. d. peppermint.
ANS: B
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A Incorrect: Vitamin C does not affect tetracycline absorption.
B Correct: Calcium, aluminum, or magnesium containing antacids or laxatives impair tetracycline absorption.
C Incorrect: Consuming pork does not affect tetracycline absorption.
D Incorrect: Peppermint does not affect tetracycline absorption.
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