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Free PSTAR practice Aeromedical

Clearing the ears on a rapid descent may be assisted by

  1. Aswallowing.
  2. Bopening the mouth widely or yawning.
  3. Ca Valsalva manoeuvre.
  4. Dall of the above.Correct answer

Why this is the answer

Per TC AIM-AIR (Middle Ear and Sinus Discomfort or Pain), pressure can be equalized by swallowing, yawning or opening the mouth, and by the Valsalva manoeuvre (gently blowing against a pinched nose) — so all of the listed methods help clear the ears on descent.

Reference

TC AIM-AIR – Middle Ear and Sinus Discomfort or Pain

Question reproduced verbatim from Transport Canada’s PSTAR Study and Reference Guide (TP 11919E). The answer key is Transport Canada’s; the explanation is ours.

A study aid — not a substitute for the official guide, the CARs, or your instructor.

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