NAUI SCUBA exam WITH
(Q&A)
which gas law best explains diving medical problems such as ear and sinus squeeze
- CORRECT ANSWER Boyles law
wat type of pressure is defined as gauge pressure plus atmospheric pressure
- CORRECT ANSWER absolute
2 methods of measuring air pressure are BAR or
- CORRECT ANSWER pounds per square inch
a sealed balloon filled with air that has a volume of 6 cubic inches at 99 ft will have
volume of - cubic inches at 33 ft
- CORRECT ANSWER 12
sea water weighs- kg per liter or - pounds per cubic foot
- CORRECT ANSWER 1.025/64.0
the absolute pressure in the ocean at 16 meters is
- CORRECT ANSWER 2.6 atmospheres absolute
the three general types of injuries resulting from lung overexpansion ar air embolism,
pneumothorax and
- CORRECT ANSWER tissue emphysema
a regular breathing pattern while diving would be
- CORRECT ANSWER slightly slower and deeper than you normally breathe
an irregular breathing pattern while diving will possibly cause
- CORRECT ANSWER carbon dioxide excess
to prevent air embolism, a diver should
- CORRECT ANSWER breathe normally at all times during ascent and never hold his/
her breath
a symptoms of carbon monoxide poisoning is often
- CORRECT ANSWER headache
, when the pressure of nitrogen is balanced between the air and your body you are at a
state of
- CORRECT ANSWER equilibrium
if your dive buddy complains to you about having aching pain in his/her shoulder one
hour after the dive you might suspect
- CORRECT ANSWER decompression sickness
during descent a divers buoyancy tends to
- CORRECT ANSWER decrease
if you are diving wearing an exposure suit, you should - to safely control buoyancy as
you descend
- CORRECT ANSWER add air to your buoyancy device
your body weight does not affect your buoyancy
- CORRECT ANSWER false
if you are weighted to be neutral in salt water and you dive in fresh water in the same
amount of weight, you will float.
- CORRECT ANSWER false
a divers ability to equalize his/her ears during descent could cause:
- CORRECT ANSWER a block or reverse block
a diver with blood and mucous in his/her mask upon surfacing will most likely have
- CORRECT ANSWER sinus squeeze
pressure in the middle ear is equalized through a part of the body called the
- CORRECT ANSWER eustachian tube
if it is suspected that the air in a tank is contaminated due to its smell or taste:
- CORRECT ANSWER do not use the tank and immediately call the dive shop that
filled the tank so they can investigate the problem
symptoms of nitrogen narcosis are similar to
- CORRECT ANSWER alcohol intoxication
if the temperature surrounding a rigid container full of gas increases, the pressure of the
gas increases
- CORRECT ANSWER true
Breathing dry air, a scuba diver tends to become dehydrated while diving due to:
- CORRECT ANSWER moisterizing dry inhaled air
you can prevent a mask from fogging under water by lowering the - of the water
(Q&A)
which gas law best explains diving medical problems such as ear and sinus squeeze
- CORRECT ANSWER Boyles law
wat type of pressure is defined as gauge pressure plus atmospheric pressure
- CORRECT ANSWER absolute
2 methods of measuring air pressure are BAR or
- CORRECT ANSWER pounds per square inch
a sealed balloon filled with air that has a volume of 6 cubic inches at 99 ft will have
volume of - cubic inches at 33 ft
- CORRECT ANSWER 12
sea water weighs- kg per liter or - pounds per cubic foot
- CORRECT ANSWER 1.025/64.0
the absolute pressure in the ocean at 16 meters is
- CORRECT ANSWER 2.6 atmospheres absolute
the three general types of injuries resulting from lung overexpansion ar air embolism,
pneumothorax and
- CORRECT ANSWER tissue emphysema
a regular breathing pattern while diving would be
- CORRECT ANSWER slightly slower and deeper than you normally breathe
an irregular breathing pattern while diving will possibly cause
- CORRECT ANSWER carbon dioxide excess
to prevent air embolism, a diver should
- CORRECT ANSWER breathe normally at all times during ascent and never hold his/
her breath
a symptoms of carbon monoxide poisoning is often
- CORRECT ANSWER headache
, when the pressure of nitrogen is balanced between the air and your body you are at a
state of
- CORRECT ANSWER equilibrium
if your dive buddy complains to you about having aching pain in his/her shoulder one
hour after the dive you might suspect
- CORRECT ANSWER decompression sickness
during descent a divers buoyancy tends to
- CORRECT ANSWER decrease
if you are diving wearing an exposure suit, you should - to safely control buoyancy as
you descend
- CORRECT ANSWER add air to your buoyancy device
your body weight does not affect your buoyancy
- CORRECT ANSWER false
if you are weighted to be neutral in salt water and you dive in fresh water in the same
amount of weight, you will float.
- CORRECT ANSWER false
a divers ability to equalize his/her ears during descent could cause:
- CORRECT ANSWER a block or reverse block
a diver with blood and mucous in his/her mask upon surfacing will most likely have
- CORRECT ANSWER sinus squeeze
pressure in the middle ear is equalized through a part of the body called the
- CORRECT ANSWER eustachian tube
if it is suspected that the air in a tank is contaminated due to its smell or taste:
- CORRECT ANSWER do not use the tank and immediately call the dive shop that
filled the tank so they can investigate the problem
symptoms of nitrogen narcosis are similar to
- CORRECT ANSWER alcohol intoxication
if the temperature surrounding a rigid container full of gas increases, the pressure of the
gas increases
- CORRECT ANSWER true
Breathing dry air, a scuba diver tends to become dehydrated while diving due to:
- CORRECT ANSWER moisterizing dry inhaled air
you can prevent a mask from fogging under water by lowering the - of the water
