Open Water Scuba Review Questions with Correct Answers Verified by Experts|
Latest Update
You should not even consider diving if you currently have a cold or are suffering from any
allergies because: you may not be able to equalize pressure in your body air spaces.
If you hold your breath while scuba diving can: damage your lungs
push air into the blood stream and chest area.
give yourself life threatening injuries.
Heat Stroke -What do you do ? Cool diver and get him to medical aid station
What are the conditions caused by the failure of body's temp maintenance systems?
Hypothermia and heat stroke
A forceful Valsalva and delayed middle ear equalisation can cause what ? Ear - Round
window rupture
What is the most important rule in scuba diving? Breathe continuously and never hold your
breath.
If you are having to work too hard and find it difficult to breathe underwater, you should:
stop your diving and rest, hold onto something for support if possible.
Divers are most affected by CONDUCTION. Least affected by RADIATION. True
You know you are properly weighted for diving if you: float at eye level holding a normal
breath of air with an empty BCD.
What does BCD stand for? Buoyancy control device
, What does SCUBA stand for? Self-contained underwater breathing apparatus
If you and your dive buddy were separated / couldn't find each other underwater what would
you generally do? Search for a minute underwater and then go up to find your buddy.
What is the water pressure at 34m in Fresh water (.97) ? Absolute and Ambient 4.3 ATA /
Gauge 3.3 ATM
The phenomena of the dissolution and release of gases from liquids explains the physiological
mechanism of: decompression sickness
if we take a full scuba tank down to 3 ata, what would its new volume be? Unchanged
At what depth will you reach 1ATM of pressure? A scuba diver (or anyone, for that matter)
is affected by 1 ATM of pressure on the surface, at sea level. 1ATM is normal atmospheric
pressure.
Of the factors below which is the same for air embolism and for decompression sickness?
method of treatment
First aid treatment for a decompression illness should always include 100% inhaled oxygen
because it hastens the elimination of nitrogen
What is Hypoxia ? oxygen starvation
What is nitrogen narcosis? Nitrogen narcosis is intoxication by nitrogen. It can can occurs at
shallow depths where the amount of nitrogen in your body can reach toxic levels. The
symptoms are similar to alcohol intoxication.
Latest Update
You should not even consider diving if you currently have a cold or are suffering from any
allergies because: you may not be able to equalize pressure in your body air spaces.
If you hold your breath while scuba diving can: damage your lungs
push air into the blood stream and chest area.
give yourself life threatening injuries.
Heat Stroke -What do you do ? Cool diver and get him to medical aid station
What are the conditions caused by the failure of body's temp maintenance systems?
Hypothermia and heat stroke
A forceful Valsalva and delayed middle ear equalisation can cause what ? Ear - Round
window rupture
What is the most important rule in scuba diving? Breathe continuously and never hold your
breath.
If you are having to work too hard and find it difficult to breathe underwater, you should:
stop your diving and rest, hold onto something for support if possible.
Divers are most affected by CONDUCTION. Least affected by RADIATION. True
You know you are properly weighted for diving if you: float at eye level holding a normal
breath of air with an empty BCD.
What does BCD stand for? Buoyancy control device
, What does SCUBA stand for? Self-contained underwater breathing apparatus
If you and your dive buddy were separated / couldn't find each other underwater what would
you generally do? Search for a minute underwater and then go up to find your buddy.
What is the water pressure at 34m in Fresh water (.97) ? Absolute and Ambient 4.3 ATA /
Gauge 3.3 ATM
The phenomena of the dissolution and release of gases from liquids explains the physiological
mechanism of: decompression sickness
if we take a full scuba tank down to 3 ata, what would its new volume be? Unchanged
At what depth will you reach 1ATM of pressure? A scuba diver (or anyone, for that matter)
is affected by 1 ATM of pressure on the surface, at sea level. 1ATM is normal atmospheric
pressure.
Of the factors below which is the same for air embolism and for decompression sickness?
method of treatment
First aid treatment for a decompression illness should always include 100% inhaled oxygen
because it hastens the elimination of nitrogen
What is Hypoxia ? oxygen starvation
What is nitrogen narcosis? Nitrogen narcosis is intoxication by nitrogen. It can can occurs at
shallow depths where the amount of nitrogen in your body can reach toxic levels. The
symptoms are similar to alcohol intoxication.
