Aeromedical factorsQuestion 876 of 934

Which feeling can be one of the first symptoms of hypoxia?

  1. Euphoria and a carefree feeling
  2. Severe fear and a feeling of anxiety
  3. Sharp pain in the ears
  4. Sharp pain in the chest
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Correct answer: Euphoria and a carefree feeling

The first symptoms of hypoxia can include euphoria and a carefree feeling.

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

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Questions last reviewed: 18 October 2026