What should a pilot do if a "Cabin Pressure Loss" warning is triggered?

When a "Cabin Pressure Loss" warning is triggered, the appropriate response is to initiate an emergency descent and deploy oxygen masks. This action is crucial because a loss of cabin pressure can lead to hypoxia (oxygen deficiency) for both the pilots and passengers, making it vital to descend to a safer altitude where the air is breathable.

Deploying oxygen masks ensures that everyone on board receives supplemental oxygen while the aircraft descends rapidly to a lower altitude, typically below 10,000 feet, where the atmospheric pressure is sufficient for normal breathing.

Initiating an emergency descent not only addresses the immediate risk but also prioritizes the safety and well-being of the occupants in the event of decompression, thereby preserving the integrity of the flight under emergency conditions. The other options can lead to potential risks and delays in addressing the critical emergency situation.