The nurse admits a 78-year-old patient to the intensive care unit and swabs the patient's nares for methicillin-resistant Staphylococcus aureus (MRSA). What is the best rationale for the nurse's action?
A) If the patient is positive for MRSA, her risk of mortality is extremely high.
B) The presence of MRSA on the patient's skin may pose a potential threat to other patients.
C) The absence of available drug treatments for MRSA means that early identification is crucial.
D) The diarrhea and gastritis associated with MRSA is highly communicable in a hospital setting.
B
Feedback:
MRSA poses a particular threat to patients with lowered immune response and/or comorbidities. The mortality rate for a carrier of MRSA is low, especially if the microorganism is present only on superficial surfaces. Drug treatment options are limited, but not absent and the infection does not often cause gastritis and diarrhea.
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