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NAUI SCUBA Final Study Guide with Complete Solutions
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NAUI SCUBA Final Study Guide with Complete Solutions
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NAUI SCUBA Final Study Guide withComplete Solutions
____ are the cornerstones of accident prevention - ANSWER-planning and preparation
____ are the diver's stronger adversaries in a no-win fight against water density -
ANSWER-improper trim and over-weighting
____ is the governing factor when choosing a method of evacuation for a diving
accident victim - ANSWER-time to treatment
____ positions the diver for least resistance in the direction of progress - ANSWER-
efficient trim
____ will help make you a better prepared, more confident diver - ANSWER-using your
own diving equipment
______ is a loss of your sense of direction or position. - ANSWER-Disorientation
______ is a worldwide emergency network of hyperbaric chambers and diving
physicians - ANSWER-Divers Alert Network (DAN)
"Rapture of the Deep" is an intoxicated, euphoric feeling sometimes experienced by
divers, which is more formally known as: - ANSWER-Nitrogen Narcosis
"Skip breathing" is a technique you should: - ANSWER-Never use
"task loading" is a term used to describe a condition of - ANSWER-having too many
things to think about at once
a "medical proxy" would give the holder - ANSWER-the right to refuse first aid and the
legal power to make care decisions for a victim
a "pony bottle" is typically ____ and is used as ____ - ANSWER-an extra small cylinder;
an emergency source of air
A buddy team in a NAUI Master Scuba Diver Course makes an ocean dive to 100 feet
(30.4 m) for 18 minutes. After a surface interval of 2 hours and 35 minutes, they make a
repetitive dive to 70 feet (21.2 m) for 24 minutes. They remain on the surface for 2
hours and 51 minutes before diving to 45 feet (13.68 m). What is their adjusted
maximum dive time for the third dive? - ANSWER-51 minutes
A burst disk prevents - ANSWER-An exploding scuba cylinder
,a certified rescue diver who makes the decision to intervene must - ANSWER-perform
to the level of knowledge and competence that could be reasonably expected of a
similarly trained person in that situation
a combination of ____ is recommended first aid for an obstructed airway - ANSWER-
abdominal thrusts and finger sweeps
A compass is a magnetized needle that rotates on a pivot point - ANSWER-True
a demand oxygen system is similar to a ____ and gives a victim as much as ____ -
ANSWER-scuba system; 100% pure oxygen
A depth that is equivalent to one atmosphere in the ocean is equal to _____ feet
(meters) in seawater and _____ feet (meters) in freshwater. - ANSWER-33; 34 (10.06:
10.36)
A desirable feature on a lift bag is a "dump valve" - a manually operated valve that
allows expanding air to be vented from the lift bag during ascent. This is one way in
which a lift can be controlled - ANSWER-True
A dive knife is: - ANSWER-An important piece of safety equipment and a useful tool
A dive team caught in a rip current taking them in a direction they do not want to go
should: - ANSWER-Swim at a right angle to the current
A dive team executes a dive to 110 feet of sea water for an actual dive time of 15
minutes. The team has a surface interval of 1 hour and 30 minutes. What is the
adjusted maximum dive time available to the team on a repetitive div to a depth of 65
feet of sea water? - ANSWER-25 minutes
A dive team spends their first 10 minutes of actual dive time during a dive at 70 feet of
sea water. The next 20 minutes are spent at a depth of 40 feet. What is the dive teams
letter group after surfacing? - ANSWER-F
A diver enters the water for the first dive of the day. She spends 28 minutes at 77 feet.
Her Letter Group is now ________. - ANSWER-G
A diver experiencing panic should: - ANSWER-Stop, rest and breather slowly and
deeply until you recover
A diver experiencing vertigo, or dizziness, is most likely an indication that: - ANSWER-
The diver's ears are not equalized in balance
A diver on the surface waving his/her hand overhead and thrashing violently indicates: -
ANSWER-Distress
,A diver should never allow SCUBA cylinders to: - ANSWER-Overheat in cars or while in
storage
A diver with a group letter of "D" making a dive to 60 feet of seawater (18.24 m) has a
residual nitrogen time of: - ANSWER-24 minutes
A diver with an empty BCD and an aluminum cylinder is neutrally buoyant at depth with
15 pounds of lead.This diver could experience buoyancy problems towards the end of
his or her dive because: - ANSWER-The aluminum tank becomes positively buoyant as
it's air pressure decreases
A diver with blood and mucous in his/her mask upon surfacing will most likely have: -
ANSWER-Sinus squeeze
A diver's body heat is lost through conduction (primarily) at a rate of approximately
______ times more rapidly than in air. - ANSWER-25
A diver's buoyancy goal throughout a dive is to: - ANSWER-Remain neutrally buoyant
regardless of depth for the duration of the dive
A diver's inability to equalize his/her ears during descent could cause: - ANSWER-Ear
squeeze
a diving accident is and incident wherein - ANSWER-someone is injured
A dry suit is used for: - ANSWER-Cold water conditions
Diving in areas with possible pollutants
Technical diving
a fundamental principle of victim transport is - ANSWER-never move them unless they
are in immediate danger
a generally recommended treatment for stings from venomous fish is - ANSWER-
soaking the affected body part in hot water, not hot enough to burn the skin, but hot as
can be tolerated for 20 - 30 minutes
a good self-test to determine if you are under excessive stress is to - ANSWER-simply
ask yourself if you are eager to make the dive at hand and to answer honestly
A group of divers complete a 20 minute dive and have a Residual Nitrogen Time of 37
minutes from a previous dive. Their Total Nitrogen Time is _______________. -
ANSWER-Impossible to calculate from the information given.
, A luminescent gauge will "store" light energy from a dive light that is shined on it and
glow for many minutes - ANSWER-True
A mask squeeze is caused by: - ANSWER-Rapid descent, increased pressure forcing
the mask onto your face
a nasal cannula increases the percentage of oxygen inspired to ____ by volume -
ANSWER-28-36%
A pressure buildup in the ear during ascent can produce a condition known as: -
ANSWER-Alternobaric vertigo
A principal threat to divers from air cylinders filled at non-certified locations is: -
ANSWER-Air impurity that may include harmful gasses, such as carbon monoxide
A rapid change in water temperature, typically in still or fresh water, happens at the: -
ANSWER-Thermocline
A regulator free flow happens when the diaphragm inside your regulator gets stuck in
the open position. You can best stop a regulator free flow at the surface by
___________________________ and at depth by ___________________________. -
ANSWER-Placing your fingers or thumb over the mouthpiece, turning the regulator so
the mouthpiece points down
A regulator set has two components to regulate air pressure, called: - ANSWER-The
first stage and the second stage
a relative temporary contraindication is a term used to describe a person's medical or
other condition that - ANSWER-may require modified or adapted participation
a rescue is - ANSWER-to assume the responsibility to releasing another from imminent
peril, or to intervene to prevent further injury from a diving accident
A scuba diver tends to become dehydrated while diving due to: - ANSWER-Moisturizing
dry inhaled air
A sealed balloon filled with air that has a volume of 4 liters at 99 feet of seawater (30.2
m) will have a volume of _______ liters at 33 feet of seawater (10.1 m). - ANSWER-8
A small group dives a wreck in 130 feet of water for 25 minutes. They complete a 10
minute decompression stop before surfacing for a 30 minute surface interval. Knowing
that their deepest dive should be first, they discuss diving a second nearby wreck at 110
feet. Their Adjusted Maximum Dive Time for the repetitive dive would be __________. -
ANSWER-Repetitive dives over 100 feet are not recommended using NAUI dive tables.
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