Open Water Diver Course: Quiz 2-A with Complete Solutions
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Course
Open Water Diver Course
Institution
Open Water Diver Course
Open Water Diver Course: Quiz 2-A with
Complete Solutions
What is the primary rule of scuba diving?
Never hold your breath while diving; always breathe continuously.
Why is it important to equalize your ears during descent?
To prevent barotrauma caused by the pressure difference between ...
Open Water Diver Course: Quiz 2-A with
Complete Solutions
What is the primary rule of scuba diving?
✔✔Never hold your breath while diving; always breathe continuously.
Why is it important to equalize your ears during descent?
✔✔To prevent barotrauma caused by the pressure difference between the outer and middle ear.
What should a diver do if they begin to feel overexerted underwater?
✔✔Stop all activity, rest, and breathe slowly until you recover your normal breathing rate.
What is the purpose of a buoyancy control device (BCD)?
✔✔The BCD helps divers control their buoyancy by inflating or deflating the air bladder.
How can nitrogen narcosis affect a diver's performance?
✔✔It can impair judgment and coordination, creating a sensation of euphoria or disorientation at
deeper depths.
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, Why is it dangerous to ascend too quickly?
✔✔A rapid ascent can cause decompression sickness due to nitrogen bubbles forming in the
bloodstream.
What is the recommended way to ascend to the surface?
✔✔Ascend no faster than 18 meters (60 feet) per minute and always perform a safety stop at 5
meters (15 feet).
What is the function of a dive computer?
✔✔A dive computer monitors depth, time, and nitrogen absorption, helping divers avoid
decompression sickness.
Why should divers avoid tight-fitting clothing and gear around the neck?
✔✔Tight gear can restrict airflow or blood flow, increasing the risk of shallow water blackout or
discomfort.
What should you do if you lose your dive buddy underwater?
✔✔Search for your buddy for no more than one minute, then ascend to the surface to regroup.
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