A Child Has Received Amoxicillin [Amoxil] for Three Previous Ear

Multiple Choice

A child has received amoxicillin [Amoxil] for three previous ear infections, but a current otitis media episode is not responding to treatment. The nurse caring for this child suspects that resistance to the bacterial agent has occurred by which microbial mechanism?

A) Alteration of drug target molecules
B) Antagonist production
C) Drug inactivation
D) Reduction of drug concentration at the site of action