A nursing student is learning about the effects of bactericidal agents. How does rifampin (Rifadin) achieve a therapeutic action against both intracellular and extracellular tuberculosis organisms?
A) It is metabolized in the liver.
B) It binds to acetylcholine.
C) It inhibits synthesis of RNA.
D) It causes phagocytosis.
C
Feedback:
Rifampin kills Mycobacterium by inhibiting synthesis of RNA. It is metabolized in the liver, but this characteristic does not represent its action. It does not bind to acetylcholine. It does not cause phagocytosis.
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