A) To protect the diver from cold B) To signal for help C) To hold the air tank D) To control buoyancy underwater
A) Distributing weight evenly B) Maintaining a horizontal position C) Balancing air consumption D) Matching pressure in air spaces to ambient pressure
A) Never hold your breath B) Conserve your air C) Always dive with a buddy D) Stay within your depth limits
A) A type of regulator B) Breathing gas with higher oxygen content than air C) A type of wetsuit D) A specific dive site
A) 30 feet per minute B) 90 feet per minute C) Instantaneous D) 60 feet per minute
A) Oxygen Toxicity B) Carbon Monoxide Poisoning C) The bends D) Nitrogen Narcosis
A) To inflate the BCD B) To measure depth C) To filter the air D) To reduce tank pressure to a breathable level
A) To communicate effectively B) To attract fish C) To clean your mask D) To check your depth
A) A skin rash caused by saltwater B) A malfunctioning regulator C) An altered state of consciousness due to nitrogen under pressure D) A type of fish
A) Increase your breathing rate B) Continue the dive C) Alert your buddy by screaming into your regulator D) Ascend to a shallower depth
A) Standard Pressure Gradient B) Submerged Positioning Gear C) Submersible Pressure Gauge D) Scuba Propulsion Generator
A) To track depth, time, and nitrogen loading B) To take underwater photographs C) To attract marine life D) To navigate underwater
A) A training course B) Diving with a partner for safety C) A type of scuba gear D) A marine conservation program
A) Diving in cold water B) Swimming too fast C) Using incorrect breathing techniques D) Failure to equalize pressure
A) 1 hour B) 2 hours C) It depends on the depth and duration of the previous dives. D) 30 minutes
A) To counteract buoyancy B) To protect the diver from impact C) To carry tools D) To hold the BCD in place
A) To attract marine life B) To signal for help C) To mark the dive site D) To indicate that divers are underwater
A) Hold your breath and swim to shore B) Ascend rapidly to the surface C) Try to find an alternate air source on your own D) Signal your buddy and share air
A) Pain caused by expanding air trapped in air spaces during ascent B) A method of underwater navigation C) A current that pulls divers downwards D) A type of dive gear malfunction
A) 200 feet B) 100 feet C) 160 feet D) 130 feet
A) Shallow, rapid breaths B) Deep, slow breaths C) Breath-holding D) Breathing through the nose
A) Diving in deep water B) Diving in murky water C) Diving in strong currents D) Diving in cold water
A) Chase marine life B) Feed marine life C) Touch and interact with marine life D) Observe and respect marine life from a distance
A) Your dive time should be one third less than your computer allows. B) Ascend with one third of your air, reserve one third, and use one third to get there. C) The recommended maximum depth is one third of your training. D) The weight of your gear should be one third of your body weight.
A) Checking the air pressure B) A diver's body position in the water C) Adjusting the regulator D) Cleaning the mask
A) Strong currents B) Low visibility C) Aggressive marine life D) Inability to directly ascend to the surface
A) To clean the mask B) To breathe on the surface without using tank air. C) To navigate underwater D) To attract fish
A) To ensure all equipment is functioning properly B) To locate the dive site C) To check the weather D) To warm up muscles
A) Injuries caused by equipment malfunction B) Injuries caused by pressure differences C) Injuries caused by cold water D) Injuries caused by marine life
A) Making a circle with the thumb and forefinger B) Pointing at the chest C) A thumbs up D) A flat hand moving across the throat |