PADI Divemaster Certification Practice Exam

When divers swim towards an instructor, it allows the instructor to have a clear line of sight on the entire group. This visibility is crucial for maintaining safety and ensuring that all divers are following the instructor's signals and guidance. The instructor can effectively monitor the divers' positions, assess their comfort levels, and provide immediate assistance if needed. This scenario is particularly beneficial in environments where visibility may be reduced or where there are potential hazards, as the instructor can quickly identify any diver who may be straggling or not keeping up with the group.

The other advantages listed, such as navigation ease, reduced risk of lost divers, and encouraging faster swimming, do not directly address the key benefit of visibility and monitoring that comes from divers swimming towards the instructor. While all these factors contribute to effective diving practices, they are secondary to the instructor's ability to oversee the divers effectively and ensure their safety.