Aircraft Owners and Pilots Association Protecting Your Freedom to Fly

Safety Quiz

AOPA Air Safety Foundation

ASI Safety Quiz

Hypoxia

Unfortunately, some pilots don't worry about oxygen until it's gone. Don't become a statistic: Protect yourself on your next flight by taking this quiz to learn more about the causes and effects of hypoxia.

1. Hypoxia is _____.

2. Hypoxia is more common at higher altitudes because as altitude increases, the percentage of oxygen in the atmosphere decreases.

3. You may experience hypoxia at any altitude, including sea level.

4. When flying at night, one of the first symptoms of hypoxia is the deterioration of vision.

5. High-altitude physiology training, such as an altitude chamber "flight", is no longer recommended because most pilots experience the same symptoms of hypoxia.

6. Which items can render the body more susceptible to hypoxia?

7. Histotoxic hypoxia happens when cells and tissues are unable to use the oxygen supplied to them. This typically occurs when_____.

8. Hypemic hypoxia occurs when the blood is not able to accept and transport a sufficient amount of oxygen to the body's cells. This is typically a result of _____.

9. According to the regulations, at altitudes above 12,500 feet MSL up to and including 14,000 feet MSL, when must the flight crew be provided with, and use, supplemental oxygen?

10. According to the regulations, the flight crew must be provided with, and use, supplemental oxygen upon immediate exposure to altitudes above _____.