Which of the following is a good clinical example of using the principle of convection to transfer heat?
a. Humidifiers with immersion heaters
b. Heated, enclosed infant incubators
c. Wire-heated pneumotachometers
d. Heated ventilator exhalation valves
ANS: B
This is the principle behind forced-air heating in houses and convection heating in infant incuba-tors.
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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.
What route of entry is the typical method of entry for poisonous plants, such as poison ivy?
A) Injection B) Inhalation C) Ingestion D) Absorption