Answer :
Final answer:
Hypothermia is defined as a body temperature less than 95 degrees F (35 degrees C). Controlled hypothermia is clinically induced to reduce the metabolic rate of an organ or the entire body. It is often used during open-heart surgery to decrease the metabolic needs of the brain, heart, and other organs.
Explanation:
Hypothermia is defined as a body temperature less than 95 degrees F (35 degrees C). This occurs when the body loses heat faster than it can produce it. Controlled hypothermia is clinically induced hypothermia performed to reduce the metabolic rate of an organ or the entire body. The body temperature is cooled to 25-32°C (79–89°F) during controlled hypothermia. For example, in open-heart surgery, controlled hypothermia is used to decrease the metabolic needs of the brain, heart, and other organs to reduce the risk of damage to them. The heart is further cooled to a temperature below 15°C (60°F) during the surgery to help tolerate its lack of blood supply.
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