Aeromedical factorsQuestion 713 of 934

Drinking one ounce of alcohol can equal about how much additional physiological altitude?

  1. 2,000 feet
  2. 500 feet
  3. 5,000 feet
  4. 8,000 feet
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Correct answer: 2,000 feet

Research shows that one ounce of alcohol can equate to 2,000 feet of added physiological altitude.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 17: Aeromedical Factors — Histotoxic Hypoxia, page 426

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Questions last reviewed: 18 October 2026