Final answer:
The nurse administers cephalexin (Keflex) to the patient to treat any undiagnosed infections.
Step-by-step explanation:
The nurse administers cephalexin (Keflex) to the patient to treat any undiagnosed infections.
Cephalexin is a broad-spectrum antibiotic that is commonly used to treat various infections, including skin infections, respiratory tract infections, urinary tract infections, and certain types of sexually transmitted infections.
Since the patient is preparing for surgery, it is important to ensure that any underlying infections are treated to minimize the risk of complications during and after the surgery.