Answers: Passive (covers that prevent heat loss passively) and active (a heat source delivers heat to the patient). a. Cover any body part that doesn’t have to be exposed with a towel, a blanket, a wrap, socks etc. b. Add a warming blanket (electric, water-circulating or pulsed air), coil the IV line around a warm IV bag (which should never touch the skin), place warming devices around the patient, such as rice socks or IV bags (which should never touch the skin). Lavage the abdomen with warm, sterile saline during a laparotomy, then suction it out. How did you do? Let us know in the comments below.