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