What could occur as a result of a descent emergency in diving?

• A. Hyperventilation and disorientation
• B. Ruptured eardrum due to panic
• C. Increased buoyancy and pressure
• D. Loss of oxygen supply

Answer: (B)

In the context of diving emergencies, a descent emergency often occurs when a diver descends too rapidly or unexpectedly. This can lead to a variety of physiological responses due to the changes in pressure. Among the options provided, the possibility of a ruptured eardrum is relevant when considering what happens during a descent emergency.

As a diver descends, water pressure increases, which means the diver's body must equalize the pressure in the inner ear with the surrounding water pressure. If a diver panics and fails to equalize properly, the pressure difference can cause discomfort, and in extreme cases, result in a ruptured eardrum. This injury can be quite serious as it can lead to complications such as hearing loss or further infection.

The other options represent different issues that may not specifically relate to the immediate impacts of a descent emergency. For example, hyperventilation and disorientation might occur due to anxiety or an inability to manage the circumstances while diving but do not directly relate to the physical changes that occur as a diver descends. Increased buoyancy and pressure are inaccurate descriptors since increased pressure typically does not increase buoyancy. Finally, while loss of oxygen supply is a concern in diving, it usually pertains more to ascent or being unable to breathe as