QUESTIONS
1.CH WITH
2 : What is the most important ANSWERS
rule in scuba diving?:
never hold your breath
2.CH 4 : Describe from start to finish the steps to
disassembling your scuba system: - remove accessories and
weights
- decompress the system : turn the valve knob completely clockwise,
decompress the second gauges (purge button or auto inflator button to
vent air remaining in the hoses)
- detach the LP hose from the inflator assembly by pulling the collar
back on the quick disconnect , unscrew the yoke knob until the first
stage can slip off the top of the valve
- undo the straps and remove the BCD from the cylinder
- rinse off gear and fill and dump BCD
3.CH 5 : Describe what to do if you exceed the no-deco time
registered on your computer: - ascend to the surface before you run
out of air
- when surfaced , establish positive buoyancy and signal for emergency
assistance
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, SDI: OPEN WATER
QUESTIONS WITH ANSWERS
- advise the dive supervisor of your omitted decompression and
begin first aid procedures for decompression sickness
- breathe oxygen for at least 30 mins and watch for signs and
symptoms of decom- pression sickness for at least 24 hours
- seek immediate medical attention if any symptoms develop
- do not dive or fly or go to higher elevations for at least 24 hours
4.CH 5 : What elements should you and your buddy agree on
before the dive?: - dive time
- maximum depth
- minimum cylinder pressure
- emergency procedures
5.CH 5 : Define risk management: - a means of preventing problems
and planning a response to any emergency that arises
- involves planning ahead , employing good diving practices and
knowing what to do before an emergency
6.CH 5 : Why should you avoid consuming drugs or alcohol prior
to a dive?: it greatly increases the risk of decompression sickness in
divers
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QUESTIONS WITH ANSWERS
7.CH 5 : What is the emergency procedure for suspected
decompression sickness?: 1: move the afflicted diver out of
danger
2: activate the Emergency Medial System (EMS)
3: monitor life support signs (pulse and respiration) and provide CPR if
necessary 4: provide 100% oxygen via demand regulator if the diver is
breathing
5: evacuation if necessary
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