[Answered]: The nurse is serving as a preceptor for a…

The nurse is serving as a preceptor for a graduate nurse on a medical-surgical unit. The nurse, discussing the mechanisms of action of antibiotics, is currently explaining the mechanism of action of penicillins (PCNs). Which statement by the graduate nurse best shows understanding? Penicillin works by weakening the bacterial cell wall, which then ruptures and dies. inhibiting protein synthesis and suppressing bacterial growth. disrupting biochemical reactions, which results in cellular lysis. disrupting bacterial protein synthesis, destroying the bacterial wall.