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SSI Open Water Diver Version B Newest 2026 Actual
Verified Exam 100 Questions And Correct Detailed
Answers (verified Answers) ||Already Graded
A+||Newest Exam!!!!
The term gradient can be described as:
a) As always zero when the diver is super- saturated
b) The difference between the internal partial pressure and
the external partial pressure of a gas
c) Total tissue saturation
d) The total pressure of all gases - ANSWER-b) The
difference between the internal partial pressure and the
external partial pressure of a gas
Dalton's Law can be paraphrased as:
a) The total pressure of the water surrounding a diver
b) The pressure of the water plus 1 ata
c) The percentage of nitrogen that causes decompression
sickness
d) The total pressure of a mixture of gases is equal to the
sum of the partial pressures - ANSWER-d) The total
pressure of a mixture of gases equals the sum of the
partial pressures
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Which of the following overexpansion injuries can be
characterized by chest pain, breathing difficulties,
weakness, and cyanosis (blueness) of the lips and nail
beds:
a) Rupture of eardrum
b) Mediastinal emphysema and pneumothorax
c) Bends
d) Subcutaneous emphysema - ANSWER-b) Mediastinal
emphysema and pneumothorax
The only accepted treatment for Arterial Gas Embolism is:
a) Immediate recompression by taking the victim
underwater to relieve the symptoms
b) Surgery to repair the ruptured lung
c) Stabilize victim in nearest medical facility and transport
to decompression chamber for recompression
d) All of the above - ANSWER-c) Stabilize victim in nearest
medical facility and transport to decompression chamber
for recompression
The major, and most common, symptom of
decompression sickness is:
a) Joint pain
b) A feeling of euphoria
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c) Puffiness in the neck and shoulder areas
d) Respiratory failure - ANSWER-a) Joint pain
Gas can enter the bloodstream and cause serious
damage to the lungs or even death by:
a) Diving with respiratory infection
b) Ascending too fast
c) Holding your breath while diving
d) All of the above - ANSWER-d) All of the above
Diving at altitude or flying after diving:
a) Requires special diving computer functions, altitude
tables and/ or refraining from flying from at least 24 hours
after the completion of the dive
b) Allows the diver to spend a greater amount of time at
depth without exceeding the no- decompression limits
c) Allows the diver to ignore the no- decompression limits
d) Does not require any special considerations for the
diver - ANSWER-a) Requires special diving computer
functions, altitude tables and/ or refraining from flying from
at least 24 hours after the completion of the dive
Decompression sickness occurs when:
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a) Excess nitrogen bubbles out of solution into the blood
and tissues
b) The nitrogen tissue tolerance gradient is exceeded
c) A diver stays at depth too long and surfaces too quickly
d) All of the above - ANSWER-d) All of the above
The proper first aid for arterial gas embolism,
subcutaneous emphysema, pneumothorax, and
mediastinal emphysema is:
a) Administer oxygen (if qualified)
b) Watch vital signs, treat for shock and stand by to
administer cardio- pulmonary resuscitation (if qualified)
c) Seek proper medical aid (a recompression chamber) as
quickly as possible
d) All of the above - ANSWER-d) All of the above
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) 15 cu ft
b) 30 cu ft
c) 20 cu ft
d) 40 cu ft - ANSWER-d) 40 cu ft
SSI Open Water Diver Version B Newest 2026 Actual
Verified Exam 100 Questions And Correct Detailed
Answers (verified Answers) ||Already Graded
A+||Newest Exam!!!!
The term gradient can be described as:
a) As always zero when the diver is super- saturated
b) The difference between the internal partial pressure and
the external partial pressure of a gas
c) Total tissue saturation
d) The total pressure of all gases - ANSWER-b) The
difference between the internal partial pressure and the
external partial pressure of a gas
Dalton's Law can be paraphrased as:
a) The total pressure of the water surrounding a diver
b) The pressure of the water plus 1 ata
c) The percentage of nitrogen that causes decompression
sickness
d) The total pressure of a mixture of gases is equal to the
sum of the partial pressures - ANSWER-d) The total
pressure of a mixture of gases equals the sum of the
partial pressures
,2|Page
Which of the following overexpansion injuries can be
characterized by chest pain, breathing difficulties,
weakness, and cyanosis (blueness) of the lips and nail
beds:
a) Rupture of eardrum
b) Mediastinal emphysema and pneumothorax
c) Bends
d) Subcutaneous emphysema - ANSWER-b) Mediastinal
emphysema and pneumothorax
The only accepted treatment for Arterial Gas Embolism is:
a) Immediate recompression by taking the victim
underwater to relieve the symptoms
b) Surgery to repair the ruptured lung
c) Stabilize victim in nearest medical facility and transport
to decompression chamber for recompression
d) All of the above - ANSWER-c) Stabilize victim in nearest
medical facility and transport to decompression chamber
for recompression
The major, and most common, symptom of
decompression sickness is:
a) Joint pain
b) A feeling of euphoria
,3|Page
c) Puffiness in the neck and shoulder areas
d) Respiratory failure - ANSWER-a) Joint pain
Gas can enter the bloodstream and cause serious
damage to the lungs or even death by:
a) Diving with respiratory infection
b) Ascending too fast
c) Holding your breath while diving
d) All of the above - ANSWER-d) All of the above
Diving at altitude or flying after diving:
a) Requires special diving computer functions, altitude
tables and/ or refraining from flying from at least 24 hours
after the completion of the dive
b) Allows the diver to spend a greater amount of time at
depth without exceeding the no- decompression limits
c) Allows the diver to ignore the no- decompression limits
d) Does not require any special considerations for the
diver - ANSWER-a) Requires special diving computer
functions, altitude tables and/ or refraining from flying from
at least 24 hours after the completion of the dive
Decompression sickness occurs when:
, 4|Page
a) Excess nitrogen bubbles out of solution into the blood
and tissues
b) The nitrogen tissue tolerance gradient is exceeded
c) A diver stays at depth too long and surfaces too quickly
d) All of the above - ANSWER-d) All of the above
The proper first aid for arterial gas embolism,
subcutaneous emphysema, pneumothorax, and
mediastinal emphysema is:
a) Administer oxygen (if qualified)
b) Watch vital signs, treat for shock and stand by to
administer cardio- pulmonary resuscitation (if qualified)
c) Seek proper medical aid (a recompression chamber) as
quickly as possible
d) All of the above - ANSWER-d) All of the above
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) 15 cu ft
b) 30 cu ft
c) 20 cu ft
d) 40 cu ft - ANSWER-d) 40 cu ft
