SDI Open Water Scuba Diver Practice Exam 2025 - Free Scuba Diver Practice Questions and Study Guide

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What should you do if your air supply is low during a dive?

Begin to ascend with your buddy while continuously monitoring your buoyancy

When air supply is low during a dive, it is crucial to prioritize safety and follow proper ascent procedures. Ascending with your buddy while continuously monitoring your buoyancy is the most appropriate action. This approach ensures that you are not only taking care of your own air needs but also adhering to safe diving practices.

Ascending with your buddy provides mutual support, increasing the likelihood of a safe and controlled ascent. By monitoring your buoyancy throughout the ascent, you can maintain a slow and controlled rate, which is essential to avoid complications such as decompression sickness. This practice is integral to diving safety, as rapid ascents can lead to serious injuries.

Maintaining a buddy system is a fundamental part of scuba diving training—your buddy can assist you if any issues arise during the ascent. Overall, this approach keeps the diver safe while addressing the immediate concern of low air supply.

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Stay at the current depth and signal for help

Quickly swim to the surface to get more air

Disconnect your regulator and inflate your BCD

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