题目内容

Whatactionshouldbetakenbyacrewmemberfollowingasuddendecompressionat35,000feet?（）

A. Deploypassengeroxygenmask
B. Dononanoxygenmask
C. Makeimmediatedescent

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Aero-otitismedia(AOM)meansthatgasistrappedinthe（）

A. Gut
B. Sinuses
C. Middleear

Thetimeofusefulconsciousnesswhilecruisingatanaltitudeof30,000feetandsittingquietlywouldbeabout（）

A. 40seconds
B. 3minutes
C. 1minuteand15seconds

Theaveragetimeofusefulconsciousnesswhenengagedinmoderateactivityfollowingarapiddecompressionat30,000feetisclosestto（）

A. 25seconds
B. 1minute
C. 45seconds

Theaveragetimeofusefulconsciousnesswhenengagedinmoderateactivityfollowingarapiddecompressionat42,000feetisclosestto（）

A. 25seconds
B. 15seconds
C. 35seconds