A _________ deflator can cause a __________ ascent.

The relationship between a failed deflator and a rapid ascent is rooted in the operational principles of dry suits and buoyancy management during diving. When a deflator is functioning properly, it allows the diver to regulate their buoyancy by adjusting the air in the suit to suit the depth and conditions of the dive. If the deflator fails, the diver loses the ability to release air effectively. This can lead to a rapid ascent, as the diver may inadvertently become positively buoyant due to the trapped air in the suit.

Ascent rates are critical in scuba diving because rapid ascents can result in decompression sickness or other serious injuries. Therefore, the importance of having a functioning deflator cannot be overstated; it allows the diver to control their ascent rate safely. This is why a failed deflator can contribute to a dangerous situation, leading to a rapid ascent. This scenario emphasizes the necessity for divers to routinely check their equipment and ensure that their buoyancy control devices are in good working order before embarking on a dive.