Not allowing alternate-air-source second stages, instrument
consoles and other equipment to dangle freely:
1: Helps reduce the risk of entanglement.
2: Helps protect fragile aquatic life.
3: Helps protect equipment from damage.
4: All of the above. - Correct Answer - 4: All of the above.
In general, you want to enter the water with your BC:
1: Deflated.
2: Partially inflated.
3: Fully inflated.
4: Both the first and third answers are acceptable; the second
answer is not. - Correct Answer - 2: Partially inflated.
The backward roll:
1: Is less disorienting than a giant stride.
,2: Works best in colder water.
3: Is chiefly a small-boat entry.
4: Cannot be used in salt water. - Correct Answer - 3: Is chiefly a
small-boat entry.
The preferred way to remove moisture from a dust cap prior to
putting it back in place is to:
1: Shake it vigorously.
2: Wipe it with a clean, dry towel or cloth.
3: Use a blast of high-pressure air from your cylinder.
4: None of the above. - Correct Answer - 2: Wipe it with a clean,
dry towel or cloth.
Air passages such as your trachea (windpipe), which may contain
air your body can't use, are known as:
1: Brachia.
2: Bronchials.
3: Dead air spaces.
4: Restricted orifices. - Correct Answer - 3: Dead air spaces.
After exhaling to clear water from your second stage, you should:
1: Inhale deeply, as you will likely be out of breath.
2: Inhale partially, then press the purge button.
,3: Inhale cautiously, so that you can 'breathe past" any remaining
water.
4: None of the above. - Correct Answer - 3: Inhale cautiously, so
that you can 'breathe past" any remaining water.
Which of the following is not true? When Clearing a mask, you
should:
1: Pull out slightly at the base of the mask to create a space for
water to exit.
2: Inhale through your mouth, but exhale through your nose.
3: Take as many breaths as needed to clear the mask completely.
4: Look up during the last exhalation to make the bottom of the
mask skirt the lowest point. - Correct Answer - 1: Pull out slightly
at the base of the mask to create a space for water to exit.
The most accurate place to conduct a weight check is:
1: At the surface, at the beginning of the dive.
2: At the deepest point reached during the dive.
3: At safety-stop depth, at the end of the dive.
4: None of the above. - Correct Answer - 3: At safety-stop depth,
at the end of the dive.
To successfully vent air from a BC:
, 1: You need to be in a perfectly vertical position.
2: The exhaust valve you will be using must be the highest point
on the air cell.
3: You must activate the BC's overpressure relief valve.
4: None of the above. - Correct Answer - 2: The exhaust valve
you will be using must be the highest point on the air cell.
Key steps in descending and ascending include:
1: Agreeing with your buddy before doing either.
2: Staying within your dive computer's allowable ascent rate.
3: Using your BC to help control your rate of descent or ascent.
4: All of the above. - Correct Answer - 4: All of the above.
Under water, the easiest way to remove and replace a scuba unit
is to:
1: Pass it over your head.
2: Take it off and put it on like a jacket.
3: Stand on it.
4: None of the above. - Correct Answer - 2: Take it off and put it
on like a jacket.
To minimize the risk of a lung overpressure injury during an
independent emergency ascent:
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