Chapter 6: Diving Physiology

65 Questions | Total Attempts: 351

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Diving Quizzes & Trivia

Chapter 6 of the SSI Divecon course


Questions and Answers
  • 1. 
    Name some symptoms of hypoxia.
  • 2. 
    Name some symptoms of hypercapnia.
  • 3. 
    Name symptoms of hyperventilation.
  • 4. 
    Why does Carbon Monoxide Poisoning lead to hypoxia?
  • 5. 
    Name some risk factors of DCS.
  • 6. 
    Name some ways to prevent DCS.
  • 7. 
    List symptoms of possible DCI
  • 8. 
    The two cavities on top of the heart are called _____ .
  • 9. 
    The two cavities on the bottom of the heart are called ___.
  • 10. 
    These carry oxygen-rich blood from the heart to the rest of the body.
    • A. 

      Veins

    • B. 

      Arteries

    • C. 

      Capillaries

    • D. 

      Blood

  • 11. 
    These carry oxygen-depleted blood back to the heart.
    • A. 

      Blood

    • B. 

      Capillaries

    • C. 

      Arteries

    • D. 

      Veins

  • 12. 
    These are smaller blood vessles that connect the other vessels.
    • A. 

      Capillaries

    • B. 

      Veins

    • C. 

      Arteries

  • 13. 
    __________________ is the process of gas exchange that occurs in the longs every time you breathe.
  • 14. 
    ____ Is an inert gas that is not used by the body.
    • A. 

      Oxygen

    • B. 

      Carbon dioxide

    • C. 

      Nitrogen

  • 15. 
    Why do we breathe?
    • A. 

      Because we need more oxygen

    • B. 

      To rid ourselves of excess carbon dioxide

    • C. 

      We do so automatically, regardless of any stimulus

  • 16. 
    The total volume of air that the lungs can hold is called:
    • A. 

      Tidal Volume

    • B. 

      Total Lung Capacity

    • C. 

      Vital Capacity

    • D. 

      Dead Air Space

    • E. 

      Residual Volume

  • 17. 
    The volume of air moved in and out of the lungs during one breath.  This changes if at rest or during exertion. 
    • A. 

      Dead Air Space

    • B. 

      Vital Capacity

    • C. 

      Tidal Volume

    • D. 

      Total Lung Capacity

    • E. 

      Residual Volume

  • 18. 
    The greatest volume of air that can be moved in and out of the lungs in one maximal breath.
    • A. 

      Vital Capacity

    • B. 

      Total Lung Capacity

    • C. 

      Dead Air Space

    • D. 

      Residual Volume

    • E. 

      Tidal Volume

  • 19. 
    The volume of air that remains in the lungs after a maximal exhalation.
    • A. 

      Dead Air Space

    • B. 

      Tidal Volume

    • C. 

      Vital Capacity

    • D. 

      Total Lung Capacity

    • E. 

      Residual Volume

  • 20. 
    The volume of air that exists in the mouth and windpipe, which is not usable by the respiratory system.
    • A. 

      Total Lung Capacity

    • B. 

      Tidal Volume

    • C. 

      Dead Air Space

    • D. 

      Residual Volume

    • E. 

      Vital Capacity

  • 21. 
    A lack of oxygen in the body's tissues is called:
    • A. 

      Hypercapnia

    • B. 

      Lipoid Pnemonia

    • C. 

      Hyperventilation

    • D. 

      Hypoxia

  • 22. 
    What might cause hypoxia?  Check all that apply.
    • A. 

      Not breathing, such as running out of air or near drowning.

    • B. 

      Ascending too fast

    • C. 

      Tissues cannot process oxygen for some reason.

    • D. 

      Insufficient saftey stops

  • 23. 
    When a person is showing signs of hypoxia, give them 100% oxygen.
    • A. 

      True

    • B. 

      False

  • 24. 
    __________ is an exceess of carbon dioxide in the body's tissues.
    • A. 

      Hypoxia

    • B. 

      Hyperventilation

    • C. 

      Lipid Pnemonia

    • D. 

      Carbon Monoxide Poisoning

    • E. 

      Hypercapnia

  • 25. 
    ____ can occur when divers try to stretch their air supply by skip breathing.
    • A. 

      Hyperventilation

    • B. 

      Hypoxia

    • C. 

      Carbon Monoxide Poisoning

    • D. 

      Hypercapnia

    • E. 

      Lipid Pnemonia

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