Biology Forums - Study Force

A nurse has questioned why a patient's physician has prescribed a narrow-spectrum antibiotic rather than a broad-spectrum drug in the treatment of a patient's infection.
 
  Which of the following facts provides the best rationale for the use of narrow-spectrum antibiotics whenever possible?
  A) Broad-spectrum antibiotics confound the results of subsequent culture and sensitivity testing.
  B) Narrow-spectrum antibiotics normally require a shorter duration of treatment.
  C) The efficacy of most narrow-spectrum antibiotics has not been proven.
  D) The use of broad-spectrum antibiotics can create a risk for a superinfection.

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