Rifampin is best described as having which antimicrobial activity?

Enhance your readiness for the MEDNAX Neonatal Nurse Practitioner Exam. Utilize flashcards, multiple-choice questions, and detailed explanations. Equip yourself for success!

Multiple Choice

Rifampin is best described as having which antimicrobial activity?

Explanation:
Rifampin works by inhibiting bacterial DNA-dependent RNA polymerase, which blocks transcription and rapidly leads to bacterial cell death. That means its effect is bactericidal for most pathogens, rather than merely slowing growth. It is not active against viruses or fungi, so it is not virucidal or fungicidal. In clinical use, rifampin is valued for its ability to kill bacteria, especially when used in combinations to prevent resistance.

Rifampin works by inhibiting bacterial DNA-dependent RNA polymerase, which blocks transcription and rapidly leads to bacterial cell death. That means its effect is bactericidal for most pathogens, rather than merely slowing growth. It is not active against viruses or fungi, so it is not virucidal or fungicidal. In clinical use, rifampin is valued for its ability to kill bacteria, especially when used in combinations to prevent resistance.

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