A Child with Otitis Media Has Had Three Ear Infections

question 9

Multiple Choice

A child with otitis media has had three ear infections in the past year. The child has just completed a 10-day course of amoxicillin [Amoxil] with no improvement. The parent asks the nurse why this drug is not working, because it has worked in the past. What will the nurse tell the patient?

• A) "Amoxicillin is too narrow in spectrum."
• B) "The bacteria have developed a three-layer cell envelope."
• C) "The bacteria have developed penicillin-binding proteins (PBPs) that have a low affinity for penicillins."
• D) "The bacteria have synthesized penicillinase."

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Definitions:

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Narcissism

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Chemistry Exam

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