Who initiates the emergency descent and what is the cabin crew's primary role during decompression?

• A. The cabin crew initiate the descent and ensure passengers are oxygenated and seated with belts fastened.
• B. The flight deck initiates the descent; cabin crew ensure passengers are oxygenated and seated with belts fastened.
• C. The flight deck initiates the descent; cabin crew evacuate passengers.
• D. Passengers should initiate the descent and cabin crew assist.

Answer: (B)