Air Diving Supervisor Exam Practice 2025 – Complete Prep Guide

In the context of diving, particularly when exploring the effects of depth on a diver's body, the recommended maximum descent rate for divers who have been at significant depths and are asymptomatic (showing no signs or symptoms of decompression sickness) is crucial for safety. The maximum descent rate is determined to minimize the risk of injuries related to pressure changes.

The correct choice reflects guidelines that are established based on safe diving practices. A descent rate of 100 feet per minute is accepted in various diving protocols for controlling the ascent to minimize the risk of barotrauma and other potential issues while maintaining a swift yet safe descent. This rate allows divers to descend efficiently while still providing the opportunity for controlled equalization of pressure and avoidance of excessive physical strain.

Understanding the physiological impacts of pressure changes and maintaining careful control over the descent rate helps in ensuring that divers remain asymptomatic and reduces the likelihood of experiencing decompression sickness or other pressure-related injuries.