Chapter 6: Diving Physiology
Chapter 6 of the SSI Divecon course
- 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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