SSI Open Water Latest Final Exam Update
2026 |Question and Answer| Solved
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?
-20 cu ft
-15 cu ft
-40 cu ft
-30 cu ft
-40 cu ft
The transfer of oxygen and nitrogen into the bloodstream occurs through the walls of the:
-Arteries
-Bronchiole trees
-Alveoli
-Blood vessels
-Alveoli
Which of the following would be inappropriate treatment for a diver evidencing symptoms of
Decompression Sickness?
-Giving them pure oxygen
-Taking the victim back underwater
-Giving them CPR
-Treat for shock
-Taking the victim back underwater
The most serious lung overexpansion injury is:
-Arterial gas Embolism
-Mediastinal emphysema
-Pneumothorax
-Subcutaneous emphysema
-Arterial gas Embolism
The term gradient can be described as:
The difference between the internal partial pressure and the external partial pressure of a gas
, Which of the following overexpansion injuries can be characterized by chest pain, breathing
difficulties, weakness, and cyanosis (blueness) of the lips and nail beds:
-bends
-Subcutaneous emphysema
-Mediastinal emphysema and Pneumothorax
-Rupture of the eardrum
-Mediastinal emphysema and Pneumothorax
In air at 1 ata, the partial pressure of nitrogen is___, oxygen is_____.
-.21/.79 ata
-1.5/.8 ata
- .79/.21 ata
- .8/.4 ata
- .79/.21 ata
Gas can enter the bloodstream and cause serious damage to the lungs or even death by:
-ascending to fast
-holding your breath underwater
-diving with respiratory congestion
-all answers are correct
-all answers are correct
The term No-decompression Limit is defined as:
maximum allowed time at depth without having to perform a mandatory decompression stop
during the ascent
To use a compass to navigate to a sighted object:
Point the compass toward the object, rotate the bezel until the witness marks are over the
magnetic needle, and follow the lubber line
A dive computer keeps track of a diver's nitrogen absorption levels so that the diver can:
-Avoid an Arterial gas Embolism
-Stay within the no decompression limits on each dive
-dive deeper than 100 feet
- Make decompression dives
-Stay within the no decompression limits on each dive
2026 |Question and Answer| Solved
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?
-20 cu ft
-15 cu ft
-40 cu ft
-30 cu ft
-40 cu ft
The transfer of oxygen and nitrogen into the bloodstream occurs through the walls of the:
-Arteries
-Bronchiole trees
-Alveoli
-Blood vessels
-Alveoli
Which of the following would be inappropriate treatment for a diver evidencing symptoms of
Decompression Sickness?
-Giving them pure oxygen
-Taking the victim back underwater
-Giving them CPR
-Treat for shock
-Taking the victim back underwater
The most serious lung overexpansion injury is:
-Arterial gas Embolism
-Mediastinal emphysema
-Pneumothorax
-Subcutaneous emphysema
-Arterial gas Embolism
The term gradient can be described as:
The difference between the internal partial pressure and the external partial pressure of a gas
, Which of the following overexpansion injuries can be characterized by chest pain, breathing
difficulties, weakness, and cyanosis (blueness) of the lips and nail beds:
-bends
-Subcutaneous emphysema
-Mediastinal emphysema and Pneumothorax
-Rupture of the eardrum
-Mediastinal emphysema and Pneumothorax
In air at 1 ata, the partial pressure of nitrogen is___, oxygen is_____.
-.21/.79 ata
-1.5/.8 ata
- .79/.21 ata
- .8/.4 ata
- .79/.21 ata
Gas can enter the bloodstream and cause serious damage to the lungs or even death by:
-ascending to fast
-holding your breath underwater
-diving with respiratory congestion
-all answers are correct
-all answers are correct
The term No-decompression Limit is defined as:
maximum allowed time at depth without having to perform a mandatory decompression stop
during the ascent
To use a compass to navigate to a sighted object:
Point the compass toward the object, rotate the bezel until the witness marks are over the
magnetic needle, and follow the lubber line
A dive computer keeps track of a diver's nitrogen absorption levels so that the diver can:
-Avoid an Arterial gas Embolism
-Stay within the no decompression limits on each dive
-dive deeper than 100 feet
- Make decompression dives
-Stay within the no decompression limits on each dive
