Metronidazole (Flagyl) is ordered for a patient being prepared for colorectal surgery. The nurse understands that the rationale for administration of metronidazole is that it
a. inhibits the C. difficile toxin.
b. can treat the fungal infection.
c. serves as prophylaxis for infection.
d. is a broad-spectrum antibiotic.
ANS: C
Metronidazole is used for prophylaxis in surgical procedures associated with a high risk of infection by anaerobes (colorectal surgery, abdominal surgery, vaginal surgery).
In this scenario, metronidazole is not given to inhibit the C. difficile toxin.
Metronidazole is not indicated for treatment a fungal infection, and nothing indicates that the patient has such an infection.
Metronidazole is not a broad-spectrum antibiotic.
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