Aeromedical factorsQuestion 741 of 934

How does altitude change the effect of alcohol on the brain?

  1. Altitude makes the effect weaker
  2. Altitude makes the effect stronger
  3. Altitude only delays the effect
  4. Altitude does not change the effect
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Correct answer: Altitude makes the effect stronger

At altitude, the alcohol from two drinks may have the same effect as three or four drinks.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 17: Aeromedical Factors — Alcohol, page 437

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Questions last reviewed: 18 October 2026