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5.0
SDI: open water Questions with Detailed Verified
Answers (100% Correct Answers) /Already Graded
A+
Quiz: CH 2 : What is the most important rule in scuba diving?
Ans: never hold your breath
Quiz: CH 4 : Describe from start to finish the steps to disassembling your
scuba system
Ans: - 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
Quiz: CH 5 : Describe what to do if you exceed the no-deco time
registered on your computer
Ans: - ascend to the surface before you run out of air
- when surfaced , establish positive buoyancy and signal for emergency
assistance
- 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
decompression sickness for at least 24 hours
18:36:59
,- seek immediate medical attention if any symptoms develop
- do not dive or fly or go to higher elevations for at least 24 hours
Quiz: CH 5 : What elements should you and your buddy agree on
before the dive?
Ans: - dive time
- maximum depth
- minimum cylinder pressure
- emergency procedures
Quiz: CH 5 : Define risk management
Ans: - 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
Quiz: CH 5 : Why should you avoid consuming drugs or alcohol prior to
a dive?
Ans: it greatly increases the risk of decompression sickness in divers
Quiz: CH 5 : What is the emergency procedure for suspected
decompression sickness?
Ans: 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
Examstudy - Stuvia US
, 4: provide 100% oxygen via demand regulator if the diver is breathing
5: evacuation if necessary
Quiz: CH 5 : What should you do if you become entangled
underwater?
Ans: - relax, do not struggle to free yourself , moving around results in further
entanglement
- figure out how to untangle carefully or carefully use knife to cut the line
away, cut away from body and gear
Quiz: CH 5 : Describe the procedure recommended for a safety stop
Ans: - Should be conducted between 3 and 6 meters (10 and 20 feet) for
three to five minutes before coming up to the surface
- a safety stop is recommended on any dive up to 30 meters (100 feet)
- for dives over 30 meters (100 feet), a saftey stop is mandatory
Quiz: CH 5 : When planning a repetitive dive, the ___________ dive
should be made first
Ans: deepest
Quiz: CH 5 : Describe what to do if you and your buddy become
separated during a dive
Ans: - look around the immediate area for one minute, during that time look
around the bottom then ascend a few feet to look for rising bubbles
- tap on your cylinder and listen for a reply
Examstudy - Stuvia US
In today's fast-paced educational landscape, students need reliable resources to excel in their studies.
5.0
SDI: open water Questions with Detailed Verified
Answers (100% Correct Answers) /Already Graded
A+
Quiz: CH 2 : What is the most important rule in scuba diving?
Ans: never hold your breath
Quiz: CH 4 : Describe from start to finish the steps to disassembling your
scuba system
Ans: - 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
Quiz: CH 5 : Describe what to do if you exceed the no-deco time
registered on your computer
Ans: - ascend to the surface before you run out of air
- when surfaced , establish positive buoyancy and signal for emergency
assistance
- 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
decompression sickness for at least 24 hours
18:36:59
,- seek immediate medical attention if any symptoms develop
- do not dive or fly or go to higher elevations for at least 24 hours
Quiz: CH 5 : What elements should you and your buddy agree on
before the dive?
Ans: - dive time
- maximum depth
- minimum cylinder pressure
- emergency procedures
Quiz: CH 5 : Define risk management
Ans: - 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
Quiz: CH 5 : Why should you avoid consuming drugs or alcohol prior to
a dive?
Ans: it greatly increases the risk of decompression sickness in divers
Quiz: CH 5 : What is the emergency procedure for suspected
decompression sickness?
Ans: 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
Examstudy - Stuvia US
, 4: provide 100% oxygen via demand regulator if the diver is breathing
5: evacuation if necessary
Quiz: CH 5 : What should you do if you become entangled
underwater?
Ans: - relax, do not struggle to free yourself , moving around results in further
entanglement
- figure out how to untangle carefully or carefully use knife to cut the line
away, cut away from body and gear
Quiz: CH 5 : Describe the procedure recommended for a safety stop
Ans: - Should be conducted between 3 and 6 meters (10 and 20 feet) for
three to five minutes before coming up to the surface
- a safety stop is recommended on any dive up to 30 meters (100 feet)
- for dives over 30 meters (100 feet), a saftey stop is mandatory
Quiz: CH 5 : When planning a repetitive dive, the ___________ dive
should be made first
Ans: deepest
Quiz: CH 5 : Describe what to do if you and your buddy become
separated during a dive
Ans: - look around the immediate area for one minute, during that time look
around the bottom then ascend a few feet to look for rising bubbles
- tap on your cylinder and listen for a reply
Examstudy - Stuvia US
