Aeromedical factorsQuestion 890 of 934

What ordinarily cures acute fatigue?

  1. Coffee and a long walk in the fresh air before flying
  2. A high-sugar snack
  3. Cool cabin air
  4. Rest after exertion and 8 hours of sound sleep
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Correct answer: Rest after exertion and 8 hours of sound sleep

Acute fatigue is short term. It is prevented by proper diet and adequate rest and sleep.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 17: Aeromedical Factors — Fatigue, page 435

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Questions last reviewed: 18 October 2026