An 80-year-old client is being treated for chronic urinary tract infections. She has received multiple antibiotics in the past 6 months. The physician orders a urine culture
The results of the urine culture are as follows: Staphylococcus aureus >100,000 colonies and demonstrated resistance to sulfamethoxazole and trimethoprim (Bactrim), penicillin, methicillin, and erythromycin. The client is diagnosed with methicillin-resistant Staphylococcus aureus (MRSA) on the basis of the findings of her urine test. Based on the client's history, a cause of the MRSA might be microbial:
A) Rejection
B) Assimilation
C) Adaptation
D) Stagnation
Ans: C
Feedback:
Microbial adaptation and change in response to the overuse of antibiotics and consequent accumulation in the environment will cause the rapid evolution of resistant pathogens. MRSA is not associated with microbes being rejected, assimilated, or stagnant.
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