Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testmediumcabin-altitude
Trapped gas in the body expands with increasing altitude (Boyle's Law), which can cause:
A
no discomfort
B
improved hearing
C
ear and sinus pain, gastrointestinal discomfort
D
reduced body temperature
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See where you stand: 5 hard questions, instant score, every answer explained.