CPL Human Factors Practice Questions - CASA Commercial Pilot Licence (Aeroplane) - Human Factors (CHUF) Exam

How can a pilot distinguish hyperventilation from hypoxic hypoxia in flight if the symptoms overlap?

By checking for cyanosis, which only occurs in hyperventilation By ascending to a higher altitude to check if the symptoms worsen By breathing slowly or using a paper bag; if symptoms resolve, it was hyperventilation By taking deep, rapid breaths to increase oxygen levels quickly

Correct Answer:

By breathing slowly or using a paper bag; if symptoms resolve, it was hyperventilation

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