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Which of the following physical factors can make you incapable of sustaining the efforts
sometimes demanded when participating in recreational diving?
Inadequate sleep.
A recent head cold.
Recent ingestion of drugs (medicine, alcohol, narcotics).
All of the above. - ANSWER All of the above.
Physical fitness is an important consideration for scuba divers because it helps to prevent diving
accidents due to:
Euphoria
Exhaustion
Bends
Air embolism - ANSWER Exhaustion
Completing this entry level scuba certification course makes you knowledgeable and skillful
enough to dive safely in or at:
Closed compartments in shipwrecks.
Open water with conditions similar to those in which you were trained.
Open water deeper than 100 feet.
Anywhere. - ANSWER Open water with conditions similar to those in which you were trained.
Your entry-level NAUI Scuba Diver certification is a "license to _____."
dive
,learn
drive a boat
fish - ANSWER learn
Factors that can affect the breathing ease of a snorkel are:
Length.
Diameter.
Both a and b.
None of the above. - ANSWER Both a and b.
When selecting a face mask, the most important thing to consider is:
Color.
That it has a purge valve.
Tempered glass.
Proper seal and fit. - ANSWER Proper seal and fit.
Snorkels over 15 inches in length are not recommended primarily because:
They have too much dead air space.
They are likely to become tangled.
They are not economical to manufacture.
They are top-heavy and difficult to use. - ANSWER They have too much dead air space.
When buying or renting equipment for diving, the most important consideration is:
Its cost.
Its fit on your body.
How recently it was developed.
, Its durability. - ANSWER Its fit on your body.
Diving equipment should be:
Rinsed thoroughly in fresh water and allowed to dry in the sun.
Rinsed thoroughly and sprayed with silicone preservative.
Rinsed thoroughly, dried and stored in a cool place.
Rinsed thoroughly in vinegar water and stored. - ANSWER Rinsed thoroughly, dried and stored
in a cool place.
Open heel fins are usually the fins of choice for scuba divers because:
They are less expensive than full foot fins.
They are always more comfortable than full foot fins.
They may be used in a wide variety of environmental conditions.
They have vented blades. - ANSWER They may be used in a wide variety of environmental
conditions
In the United States, scuba cylinders must be internally inspected every _____ and pressure
tested every _____.
1 year, 1 year.
1 year, 5 years.
2 years, 1 year.
5 years, 1 year. - ANSWER 1 year, 5 years.
Scuba tanks should always have some pressure in them to prevent:
Moisture from entering.
Drying out.
Rusting inside.