Which of the following drug classifications has been found to be effective in treating giardiasis?
a. tetracyclines c. folic acid antagonists
b. anthelmintics d. quinines
ANS: A
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A Correct: Tetracyclines have been shown to be effective against giardia lamblia.
B Incorrect: Anthelmintic agents are used to treat intestinal worms.
C Incorrect: Folic acid antagonists are used to treat Plasmodium.
D Incorrect: Quinines are used to treat malaria.
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