PADI ENRICHED AIR DIVER COMPREHENSIVE EXAMS
2025/2026 QUESTIONS WITH ANSWERS RATED A+
✔✔True or False: the primary hazard of exceeding oxygen exposure limits is drowning
due to central nervous system (CNS) oxygen toxicity. - ✔✔True
✔✔True or False: Warning signs and symptoms may or may not precede an oxygen
convulsion. - ✔✔True
✔✔Signs and symptoms that may proceed a convulsion due to oxygen toxicity include -
✔✔VENTID - Visual disturbances, ear ringing, nausea, twitching, irritability, dizziness
✔✔If you experience any symptoms of oxygen toxicity you should.... - ✔✔end the dive
immediately by making a normal ascent
✔✔to use your enriched air compatible dive computer to manage oxygen exposure you
should... - ✔✔set the maximum oxygen partial pressure for 1.4, stay well within its
oxygen limits, and above the maximum depth for the blend you are using, avoid heavy
exercise and carbon dioxide buildup, maintain good buoyancy and depth control
✔✔? By using your computer's scroll mode or other display, or with the table in the
PADI Enriched Air Diver Manual, you should determine and note the... - ✔✔the deepest
depth you can reach without exceeding 1.4
✔✔?it is recommended that you have a surface interval of at least ______ when making
repetitive dives with enriched air. - ✔✔one hour?
✔✔if you accidentally exceed the maximum oxygen limits of your computer, you
should... - ✔✔ascend immediately but slowly, make a safety stop and end the dive.
Don't dive for 24 hours, or as stipulated by the manufacture.
✔✔True or False: Although you personally verify the oxygen analysis of an enriched air
cylinder's contents, doing so is not necessary if the person who performed the initial
analysis is a qualified enriched air blender. - ✔✔False; you still need to take
responsibility of your safety and always double check everything.
✔✔True or false: The first step in analyzing enriched air is to calibrate the oxygen
analyzer - ✔✔True
✔✔The standard of practice for accuracy of enriched air analysis is plus or minus -
✔✔1%
2025/2026 QUESTIONS WITH ANSWERS RATED A+
✔✔True or False: the primary hazard of exceeding oxygen exposure limits is drowning
due to central nervous system (CNS) oxygen toxicity. - ✔✔True
✔✔True or False: Warning signs and symptoms may or may not precede an oxygen
convulsion. - ✔✔True
✔✔Signs and symptoms that may proceed a convulsion due to oxygen toxicity include -
✔✔VENTID - Visual disturbances, ear ringing, nausea, twitching, irritability, dizziness
✔✔If you experience any symptoms of oxygen toxicity you should.... - ✔✔end the dive
immediately by making a normal ascent
✔✔to use your enriched air compatible dive computer to manage oxygen exposure you
should... - ✔✔set the maximum oxygen partial pressure for 1.4, stay well within its
oxygen limits, and above the maximum depth for the blend you are using, avoid heavy
exercise and carbon dioxide buildup, maintain good buoyancy and depth control
✔✔? By using your computer's scroll mode or other display, or with the table in the
PADI Enriched Air Diver Manual, you should determine and note the... - ✔✔the deepest
depth you can reach without exceeding 1.4
✔✔?it is recommended that you have a surface interval of at least ______ when making
repetitive dives with enriched air. - ✔✔one hour?
✔✔if you accidentally exceed the maximum oxygen limits of your computer, you
should... - ✔✔ascend immediately but slowly, make a safety stop and end the dive.
Don't dive for 24 hours, or as stipulated by the manufacture.
✔✔True or False: Although you personally verify the oxygen analysis of an enriched air
cylinder's contents, doing so is not necessary if the person who performed the initial
analysis is a qualified enriched air blender. - ✔✔False; you still need to take
responsibility of your safety and always double check everything.
✔✔True or false: The first step in analyzing enriched air is to calibrate the oxygen
analyzer - ✔✔True
✔✔The standard of practice for accuracy of enriched air analysis is plus or minus -
✔✔1%
