Answers to multiple choice questions 1. A, B, C, D, E These simple interventions all reduce the risk of surgical infections. Antibiotic prophylaxis, where appropriate, as well as meticulous asepsis are key components. Perioperative hypothermia not only increases the risk of infection but also impairs wound healing, glucose control and coagulation pathways. Hypothermic patients are also more likely to experience cardiac events. Blood sugar control is discussed in Chapter 18.