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2314 Anaesthesia

A patient with a nonobstructing carcinoma of the sigmoid colon is being prepared for elective resection. Which of the following reduces the risk of postoperative infectious complications?

AA single preoperative parenteral dose of antibiotic effective against aerobes and anaerobes
BAvoidance of oral antibiotics to prevent emergence of Clostridium difficile
CPostoperative administration for 48 hours of parenteral antibiotics effective against aerobes and anaerobes
DPostoperative administration of parenteral antibiotics effective against aerobes and anaerobes until the patient's intravenous lines and all other drains are removed
Anaesthesia
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