NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is an effective treatment for VRE (E. faecalis) infections?

  1. Linezolid

  2. Nafcillin

  3. Meropenem

  4. SMX/TMP

The correct answer is: Linezolid

An effective treatment for VRE (E. faecalis) infections is linezolid. Linezolid is an antibiotic that is effective against VRE infections, as it is able to penetrate cell walls and target the bacteria's ribosomes, preventing them from producing the proteins they need to survive. Nafcillin, meropenem, and SMX/TMP are not effective against VRE because they either cannot penetrate cell walls or do not target the ribosomes of the bacteria. These options may be effective for treating other types of infections, but not specifically for VRE (E. faecalis) infections.