Activities that may increase the risk of decompression sickness
include:
1: Alcohol use.
2: Computer use.
3: Drug use.
4: Both the first and third answers are correct. - Correct Answer -
(4) Both the first and third answers are correct.
Which member of the buddy team determines the pace for the
dive?
1: It doesn't matter, so long as both buddies agree.
2: The stronger buddy.
3: The weaker buddy.
4: None of the above. - Correct Answer - The weaker buddy.
,If you and your buddy follow the same plan for dealing with buddy
separation, you will end up meeting either on the _________ or
________ ___________.
1: Surface, dive boat
2: Shore, dive boat
3: Surface, under water
4: Boat, under water - Correct Answer - Surface, under water
Divers should plan to ascend as soon as the first diver:
1: Reaches his minimum ascent pressure.
2: Reaches his maximum allowable dive time.
3: Reaches his maximum agreed-upon depth.
4: Both the first and second answers are correct. - Correct Answer
- Both the first and second answers are correct.
A repetitive dive is any dive:
1: Made within 24 hours of a previous dive.
2: Made within 48 hours of a previous dive.
3: In which your computer indicates there is residual nitrogen left
in your system from a prior dive.
4: Both the first and third answers are correct. - Correct Answer -
4) Both the first and third answers are correct.
,Should you accidentally exceed your dive computer's no-
decompression limit.
1: Stop for two minutes at 6 m/20 ft and five minutes at 3 m/10 ft.
2: Ascend immediately, begin breathing pure oxygen and contact
the Divers Alert Network (DAN).
3: Air permitting, make the decompression stop indicated by your
dive computer. Afterward, monitor for signs and symptoms of
decompression sickness.
4: None of the above. - Correct Answer - (3) Air permitting, make
the decompression stop indicated by your dive computer.
Afterward, monitor for signs and symptoms of decompression
sickness.
At the first sign of overexertion:
1: Abort the dive.
2: Stop, relax and breathe deeply.
3: Signal to the shore or boat for assistance.
4: Both the first and third answers are correct. - Correct Answer -
2: Stop, relax and breathe deeply.
Should you become entangled under water:
1: Do not struggle in an effort to free yourself.
, 2: If you cannot easily untangle yourself, have your buddy do it for
you.
3: Do not use a knife or cutting tool on the entanglement.
4: Both the first and second answers are correct. - Correct Answer
- 4. Both the first and second answers are correct.
Seasickness is caused by:
1: Factors such as smell of salt water and the sound of boat
engines.
2: A change in equilibrium in the middle ear.
3: An elevation in adrenaline levels caused by anxiety over diving.
4: None of the above. - Correct Answer - A change in equilibrium
in the middle ear.
TRUE or FALSE: Treatment for decompression sickness may
require recompression in a hyperbaric chamber. - Correct Answer
- True (decompression sickness)
Which type of alternate air source does not necessarily require
the donor to give up his primary second stage?
1: Technical diving configuration.
2: Alternate-air-source inflator.
3: Conventional alternate-air-source second stage.
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