Nervous System Function and Components
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Questions and Answers

What is the main function of the central nervous system (CNS)?

  • Manages functions of the gastrointestinal tract
  • Controls involuntary actions, like heart rate and digestion
  • Processes sensory information (correct)
  • Controls voluntary movements

    • Which part of the nervous system is responsible for controlling most functions of the body and mind?

  • Brain (correct)
  • Somatic Nervous System
  • Enteric Nervous System
  • Peripheral Nervous System

    • What is the primary function of the autonomic nervous system (ANS)?

  • Processes sensory information
  • Controls involuntary actions, like heart rate and digestion (correct)
  • Manages functions of the gastrointestinal tract
  • Controls voluntary movements

    • Which cells in the nervous system conduct electrical impulses and communicate through synapses?

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

    What is the recommended surface interval for a repetitive no-compression dive?

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

    What is the main cure for decompression sickness?

    <p>Recompression – descend/recompression chamber</p> Signup and view all the answers

    Which condition can have symptoms similar to hypoxia and is characterized by abnormal loss of carbon dioxide in the blood?

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

    What are the symptoms of hypoxia?

    <p>Headache, breathlessness, and drowsiness</p> Signup and view all the answers

    Which type of hypoxia is most common in aviation?

    <p>Hypoxic Hypoxia</p> Signup and view all the answers

    What is the most common cause of Anaemic/Hypemic Hypoxia in aviation?

    <p>CO poisoning</p> Signup and view all the answers

    At what altitude does mild hypoxia typically occur?

    <p>Between 5000-10000ft</p> Signup and view all the answers

    What is the general recommended surface interval for a repetitive no-compression dive?

    <p>12 hours</p> Signup and view all the answers

    Which condition is characterized by the abnormal loss of carbon dioxide in the blood and can present symptoms similar to hypoxia?

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

    At what altitude is decompression sickness unlikely to occur but has been known to occur as low as 8,000ft?

    <p>18,000ft</p> Signup and view all the answers

    What is the most common cause of Anaemic/Hypemic Hypoxia in aviation?

    <p>CO poisoning</p> Signup and view all the answers

    What are the symptoms of mild Hypoxia?

    <p>Impaired working memory under more demanding conditions</p> Signup and view all the answers

    Which type of Hypoxia occurs due to impaired circulation?

    <p>Stagnant/Hypokinetic Hypoxia</p> Signup and view all the answers

    What is the effect of hypoxia on the fingertips and lips?

    <p>Visible bluish discoloration</p> Signup and view all the answers

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