Heat loss during surgery? Nearly unavoidable. Inadvertent perioperative hypothermia? Largely preventable. Yet hypothermia remains the most frequent complication of surgery. Research shows that hypothermia causes many physiological changes that may predispose patients to surgical site infections. It may also prolong patient recovery and decrease drug metabolism and clearance. Here's a quiz designed to test your knowledge of the causes, complications and cures of intraoperative hypothermia.