Human Performance - Hypothermia Effects
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Questions and Answers

What is the primary source of body heat?

  • Mechanical contractions in the heart
  • Electrical impulses in the brain
  • Metabolism of oxygen with carbohydrates in the tissues (correct)
  • Metabolism of oxygen with proteins in the muscles

    • What is the result of exposure to low temperatures on the body?

  • Decreased body temperature regulation
  • Increased susceptibility to hypoxia (correct)
  • Decreased metabolism
  • Increased oxygen supply

    • What is the rate of alcohol removal from the body?

  • Exponential rate of removal
  • Variable rate dependent on concentration
  • Constant rate of 15 milligrams per 100 milligrams each hour (correct)
  • Constant rate of 10 milligrams per 100 milligrams each hour

    • How many hours should a pilot abstain from alcohol before flying?

    <p>8 hours</p> Signup and view all the answers

    What is the risk of flying with a blocked eustachian tube?

    <p>Barotrauma</p> Signup and view all the answers

    Why should a pilot with a cold avoid flying?

    <p>Increased risk of barotrauma</p> Signup and view all the answers

    What is the rate at which the body breaks down alcohol?

    <p>15mg/100ml an hour</p> Signup and view all the answers

    How long should a pilot rest after donating blood before flying?

    <p>72 hours</p> Signup and view all the answers

    What is anaemia typically caused by a deficiency of?

    <p>Red blood cells</p> Signup and view all the answers

    How long should a person wait after a long dive before flying?

    <p>24 hours</p> Signup and view all the answers

    What is the main cause of decompression sickness?

    <p>Dissolution of nitrogen</p> Signup and view all the answers

    What is the effect of drinking coffee on metabolism of alcohol?

    <p>It has no effect</p> Signup and view all the answers

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