SDI Open Water Scuba Diver Practice Exam

What is the appropriate action at the first sign of overexertion while diving?

1. Continue diving normally

2. Signal to the shore or boat for assistance

3. Take a break and rest underwater

4. Dive deeper to cool off

The correct answer is: Signal to the shore or boat for assistance

When a diver experiences the first signs of overexertion, signaling to the shore or boat for assistance is the most appropriate action. Recognizing early symptoms of overexertion, such as fatigue, shortness of breath, or feeling overwhelmed, is crucial for ensuring the diver's safety. By signaling for help, the diver can receive support or guidance, potentially avoiding a more serious situation. Continuing to dive normally could exacerbate the issue, as overexertion can lead to physical strain and increase the risk of accidents or injuries. Taking a break underwater may not provide the necessary assistance or safety measures, as resting in an underwater environment lacks the immediate resources or support that might be available on the surface. Diving deeper to cool off is not advisable because increasing depth under stress could lead to further complications such as disorientation or increased difficulty in ascending safely. Promptly addressing signs of overexertion by seeking assistance is vital and can prevent emergencies, allowing for a safe and enjoyable diving experience.