SSI OPEN WATER DIVER UPDATED EXAMS SCRIPT
QUESTIONS AND ANSWERS MARKED A+
✔✔Describing diving with the acronym SCUBA came from what event?
a) The development of air pumps in the 19th century
b) The development of the demand regulator in 1943
c) Post-WWII equipment refinements
d) The invention of the diving helmet in circa 1800 - ✔✔The development of the demand
regulator in 1943
✔✔The most efficient breathing pattern for scuba diving is:
a) A deep balanced inhalation followed by a long balanced exhalation without any
pause between inhale and exhale
b) Rapid inhalation and exhalation cycles
c) Long slow inhalation and faster exhalation
d) Short shallow breaths - ✔✔A deep balanced inhalation followed by a long balanced
✔✔Which of the following Total Diving System subsystems best describes the SCUBA
unit?
a) The information system
b) The snorkeling system
c) The buoyancy system
d) The delivery system - ✔✔The delivery system
✔✔Assuming a consistent air consumption rate, diving at a pressure of 4 ata will use __
as much air as diving at 2 ata.
a) 4 times
b) 8 times
c) 5 times
,d) 2 times - ✔✔2 times
✔✔An object immersed in water will be buoyed upward by a force ______ the weight of
the water it displaces.
a) 2 times
b) equal to
c) greater than
d) less than - ✔✔equal to
✔✔The three primary features to look for in a quality Exposure System are:
a) Cost, thickness, and seam integrity
b) Brand, availability, and thickness
c) Cost, quality, and appearance
d) Thickness, fit, and seam integrity - ✔✔Thickness, fit, and seam integrity
✔✔The three Basic Rules of Scuba stated in the proper order of importance are:
a) Regain control, respond, and react
b) Breathe continuously, ascend slowly and maintain control, and never dive alone or
beyond your level of training.
c) Breathe continuously, use compressed air only, and the 3-R rule
d) Maintain buoyancy, breathe continuously, and ascend slowly - ✔✔Breathe
continuously, ascend slowly and maintain control, and never dive alone or beyond your
level of training.
✔✔The delivery system components are:
a) A regulator and an alternate air source
b) A regulator, buoyancy compensator device, and a high pressure air cylinder
c) A regulator, alternate air source, and a high pressure scuba cylinder
, d) a regulator and high pressure air cylinder - ✔✔A regulator, alternate air source, and a
high pressure scuba cylinder
✔✔The Buoyancy Control System components are:
a) Buoyancy compensator, exposure suit, and inflation device
b) Buoyancy compensator and inflation device
c) Regulator, inflation device, and weight belt or BC weight pockets
d) Buoyancy compensator, inflation device, and weight belt or BC weight pockets -
✔✔Buoyancy compensator, inflation device, and weight belt or BC weight pockets
✔✔If a flexible air-filled container at 100 feet of sea water has a volume of 10 cu ft, what
would be the volume if it were transported to the surface?
a) 30 cu ft
b) 20 cu ft
c) 15 cu ft
d) 40 cu ft - ✔✔40 cu ft
✔✔Haldanes theory that the human body can withstand a 2:1 pressure difference was
revised by D Workman to a nitrogen ratio of:
a) 5 : 1
b) 1 : 1
c) 1.58 : 1
d) 3 : 1 - ✔✔1.58 : 1
✔✔The only accepted treatment for Arterial Gas Embolism is:
a) All are accepted treatments
b) Immediate recompression by taking the victim underwater to relieve the symptoms
c) Stabilize in nearest medical facility and transport to decompression chamber for
recompression
QUESTIONS AND ANSWERS MARKED A+
✔✔Describing diving with the acronym SCUBA came from what event?
a) The development of air pumps in the 19th century
b) The development of the demand regulator in 1943
c) Post-WWII equipment refinements
d) The invention of the diving helmet in circa 1800 - ✔✔The development of the demand
regulator in 1943
✔✔The most efficient breathing pattern for scuba diving is:
a) A deep balanced inhalation followed by a long balanced exhalation without any
pause between inhale and exhale
b) Rapid inhalation and exhalation cycles
c) Long slow inhalation and faster exhalation
d) Short shallow breaths - ✔✔A deep balanced inhalation followed by a long balanced
✔✔Which of the following Total Diving System subsystems best describes the SCUBA
unit?
a) The information system
b) The snorkeling system
c) The buoyancy system
d) The delivery system - ✔✔The delivery system
✔✔Assuming a consistent air consumption rate, diving at a pressure of 4 ata will use __
as much air as diving at 2 ata.
a) 4 times
b) 8 times
c) 5 times
,d) 2 times - ✔✔2 times
✔✔An object immersed in water will be buoyed upward by a force ______ the weight of
the water it displaces.
a) 2 times
b) equal to
c) greater than
d) less than - ✔✔equal to
✔✔The three primary features to look for in a quality Exposure System are:
a) Cost, thickness, and seam integrity
b) Brand, availability, and thickness
c) Cost, quality, and appearance
d) Thickness, fit, and seam integrity - ✔✔Thickness, fit, and seam integrity
✔✔The three Basic Rules of Scuba stated in the proper order of importance are:
a) Regain control, respond, and react
b) Breathe continuously, ascend slowly and maintain control, and never dive alone or
beyond your level of training.
c) Breathe continuously, use compressed air only, and the 3-R rule
d) Maintain buoyancy, breathe continuously, and ascend slowly - ✔✔Breathe
continuously, ascend slowly and maintain control, and never dive alone or beyond your
level of training.
✔✔The delivery system components are:
a) A regulator and an alternate air source
b) A regulator, buoyancy compensator device, and a high pressure air cylinder
c) A regulator, alternate air source, and a high pressure scuba cylinder
, d) a regulator and high pressure air cylinder - ✔✔A regulator, alternate air source, and a
high pressure scuba cylinder
✔✔The Buoyancy Control System components are:
a) Buoyancy compensator, exposure suit, and inflation device
b) Buoyancy compensator and inflation device
c) Regulator, inflation device, and weight belt or BC weight pockets
d) Buoyancy compensator, inflation device, and weight belt or BC weight pockets -
✔✔Buoyancy compensator, inflation device, and weight belt or BC weight pockets
✔✔If a flexible air-filled container at 100 feet of sea water has a volume of 10 cu ft, what
would be the volume if it were transported to the surface?
a) 30 cu ft
b) 20 cu ft
c) 15 cu ft
d) 40 cu ft - ✔✔40 cu ft
✔✔Haldanes theory that the human body can withstand a 2:1 pressure difference was
revised by D Workman to a nitrogen ratio of:
a) 5 : 1
b) 1 : 1
c) 1.58 : 1
d) 3 : 1 - ✔✔1.58 : 1
✔✔The only accepted treatment for Arterial Gas Embolism is:
a) All are accepted treatments
b) Immediate recompression by taking the victim underwater to relieve the symptoms
c) Stabilize in nearest medical facility and transport to decompression chamber for
recompression
