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