nurse is reinforcing teaching with a client about treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). Which of the following information should the nurse include in the teaching?

Antibiotics are prescribed only when a viral infection is present.

Broad-spectrum antibiotics are used whenever possible.

Infections become resistant to high doses of antibiotics.

Antibiotic dosages below the minimum concentration are prescribed.