The Patient Requires a Support Surface to Help Prevent Pressure

The patient requires a support surface to help prevent pressure injuries.He has a large open wound on his leg that is dressed daily.The nurse must choose which support surface would be most appropriate.What does the nurse realize when comparing the different types of support surfaces?

A) Water mattresses are better for patients with open wounds.
B) Air-surface beds cannot be used if the patient needs cardiopulmonary resuscitation (CPR) .
C) Water mattresses make it hard to regulate patient body temperature.
D) Air mattresses reduce shear and friction.