Medical practice acts ________ users of healthcare services.

Which of the following statements about immersion hypothermia is false?

a. A patient pulled from cold water should be moved to a warm environment immediately. b. Immersion hypothermia typically does not occur until the water temperature is below 35°F. c. Adults typically can withstand exposure to colder water for a longer period of time than can children. d. It is important to remove the clothes of a patient exposed to cold water as soon as possible.

At an FiO2 of 1, what is the approximate half-life of blood carboxyhemoglobin?

a. 20 min b. 80 min c. 3 hr d. 5 hr