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