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SSI OPEN WATER DIVER UPDATED EXAM
WITH VERIFIED SOLUTIONS.
One atmosphere of pressure is defined as:
a) Each 34 feet of depth in freshwater
b) each 33 ft. of depth in saltwater
c) 1 ata
d) All answers are correct. - correct answer -All answers are
correct
The absolute pressure expressed in terms of atmospheres
absolute at 33 ft. in sea water is:
a) 1 ata
b) 3 ata
c) 2 ata
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d) 4 ata - correct answer -2 ata
Underwater, the bending of light rays causes objects to appear to
be:
a) closer
b) the same as the surface
c) At an angle consistent with the bend of the light
d) Farther away - correct answer -Closer
If you experience pain in your ears during descent:
a) Place a finger in the ear canal and gently massage the ear until
the pain ceases.
b) Continue the descent while gently exhaling into the mask
c) Abort the dive
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d) Stop the descent and ascend until the pain stops. - correct
answer -Stop the descent and ascend until the pain stops.
Sinus squeeze can be prevented by:
a) Not diving with a cold
b) Wearing earplugs
c) Tilting the divers head back and forth
d) The Valsalva technique - correct answer -Not diving with a cold
Ear squeeze can be prevented by:
a) Rotating the jaw, swallowing or Valsalva
b) All answers are correct
c) Never diving with a cold
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d) Relaxing - correct answer -All answers are correct
The purpose of equalization is to:
a) Remove all fluids from body air spaces
b) Introduce additional air into body air spaces in response to
increasing external pressure
c) Ensure the uneven application of pressure between the water
and air space in the body
d) Prevent water from entering air spaces in the body - correct
answer -Introduce additional air into body air spaces in response
to increasing external pressure
Describing diving with the acronym SCUBA came from what
event?
a) The development of air pumps in the 19th century
SSI OPEN WATER DIVER UPDATED EXAM
WITH VERIFIED SOLUTIONS.
One atmosphere of pressure is defined as:
a) Each 34 feet of depth in freshwater
b) each 33 ft. of depth in saltwater
c) 1 ata
d) All answers are correct. - correct answer -All answers are
correct
The absolute pressure expressed in terms of atmospheres
absolute at 33 ft. in sea water is:
a) 1 ata
b) 3 ata
c) 2 ata
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d) 4 ata - correct answer -2 ata
Underwater, the bending of light rays causes objects to appear to
be:
a) closer
b) the same as the surface
c) At an angle consistent with the bend of the light
d) Farther away - correct answer -Closer
If you experience pain in your ears during descent:
a) Place a finger in the ear canal and gently massage the ear until
the pain ceases.
b) Continue the descent while gently exhaling into the mask
c) Abort the dive
, Page | 3
d) Stop the descent and ascend until the pain stops. - correct
answer -Stop the descent and ascend until the pain stops.
Sinus squeeze can be prevented by:
a) Not diving with a cold
b) Wearing earplugs
c) Tilting the divers head back and forth
d) The Valsalva technique - correct answer -Not diving with a cold
Ear squeeze can be prevented by:
a) Rotating the jaw, swallowing or Valsalva
b) All answers are correct
c) Never diving with a cold
, Page | 4
d) Relaxing - correct answer -All answers are correct
The purpose of equalization is to:
a) Remove all fluids from body air spaces
b) Introduce additional air into body air spaces in response to
increasing external pressure
c) Ensure the uneven application of pressure between the water
and air space in the body
d) Prevent water from entering air spaces in the body - correct
answer -Introduce additional air into body air spaces in response
to increasing external pressure
Describing diving with the acronym SCUBA came from what
event?
a) The development of air pumps in the 19th century
