Dive Master NAUI 132 Review Questions With Solutions |Test Your Knowledge
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Module
Dive Master NAUI
Institution
Dive Master NAUI
Which symptom is reflective of oxygen toxicity? - ️️Muscular twitching
Which technique is effective for controlling the ascent of an unconscious diver? - ️️Do-si-do technique
Which type of ascent should be used only if a diver believes that he or she is incapable of swimming to the surfac...
Which symptom is reflective of oxygen toxicity? - ✔ ✔ Muscular
twitching
Which technique is effective for controlling the ascent of an unconscious
diver? - ✔ ✔ Do-si-do technique
Which type of ascent should be used only if a diver believes that he or
she is incapable of swimming to the surface? - ✔ ✔ Emergency
Buoyant Ascent
Which valve is an example of a special scuba valve that is required for
certain types of specialty diving such as deep diving with a single
cylinder? - ✔ ✔ Y valve
Which valve is unaffected by cylinder air pressure with regard to the
force needed to operate the valve? - ✔ ✔ Balanced
A dive team diving in a fresh water lake in the summer is at a depth of
20 feet (6 meters). The water temperature at this depth is 85 degrees
Fahrenheit (29 degrees Celsius) and one diver in the team has 244 cubic
inches (4 liters) of air in her buoyancy compensator (BC). As the team
descends to a depth of 60 feet (18 meters), they pass through a
thermocline and the water temperature is now 55 degrees Fahrenheit (12
degrees Celsius). If the diver with 244 cubic inches (4 liters) of air in her
BC did not add or remove any air from the compensator, the new
volume in her BC after arrival at 60 feet (18 meters) would be how
many cubic inches (liters)? - ✔ ✔ 132 cubic inches/2.16 liters
,A dive team executes a dive and accidentally exceeds their planned
actual dive time by 5 minutes. Their actual dive profile was 110 feet (34
meters) for 20 minutes. What required decompression schedule should
the team follow during their ascent? - ✔ ✔ A 5 minute stop at 15 feet
(5 meters)
A dive team executes a dive to 110 feet (33 meters) 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 dive to a depth of 65 feet (20 meters) of sea
water? - ✔ ✔ 25 minutes
A dive team spends their first 10 minutes of actual dive time during a
dive at 70 feet (21 meters) of sea water. The next 20 minutes are spent at
a depth of 40 feet (12 meters). What is the dive team's letter group after
surfacing? - ✔ ✔ F
A dive team wants to recover (lift) a 380 pound (172 kg)(dry weight)
anchor from the bottom of the ocean. The anchor displaces 3 cubic feet
(85 liters) of sea water. The bottom composition is flat and firm. How
many lift bags, rated for 50 pounds (23 kg) of lift each, will it take to
recover (lift) the anchor? - ✔ ✔ 4 bags
A hood or tight seal can fool your carotid sinus baroreceptors into
thinking that there is high blood pressure by pushing on them. - ✔ ✔
True
A marine animal whose tissues are toxic, either in part or entirety is
_____. - ✔ ✔ Poisonous
A pressure buildup in the ear during ascent can produce a condition
known as _____. - ✔ ✔ Alternobaric vertigo
, A sealed flexible container with 10 liters of air in it is submerged to a
depth of 82 feet (25 meters) in the ocean. Providing there is no
temperature change in the water between the surface and at 82 feet (25
meters), what is the new volume in the container at 82 feet (25 meters)?
- ✔ ✔ 2.87
A(n) _____ is the smallest possible unit into which matter can be
divided and still retain its unique characteristics. - ✔ ✔ Atom
An air compressor used for filling scuba cylinders operates by the
principle of _____. - ✔ ✔ Boyle's Law
An air consumption rate of 40 psig (2.76 bar) per minute using a 3,000
psig/80 cubic foot (207 bar/11 liter wet volume) cylinder is equal to? -
✔ ✔ 1.07 cubic feet per minute (30 liters per minute)
An extra second stage should be mounted in the center of the chest for
easy accessibility by _____. - ✔ ✔ Both the donor and recipient
Archimedes' Principle states that: "an object partially or wholly
immersed in a fluid is buoyed up by a force equal to the _____ of the
_____ displaced by that object". - ✔ ✔ weight; fluid
As a boat owner or skipper, you have a responsibility to _____. - ✔ ✔
People on your boat
Other boats
Swimmers
As we inhale air, it moves from the nose and the mouth to the _____ into
the two _____ and finally to the microscopic _____. - ✔ ✔ Trachea,
bronchi, alveoli
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