Solutions
______________ is a worldwide emergency network of
hyperbaric chambers and diving physicians.
A) Coast Guard
B) Divers Alert Network (DAN)
C) National Oceanic & Atmospheric Association (NOAA)
D) Sierra Club Correct Answers B) Divers Alert Network
(DAN)
__________________is the underwater movement of water
caused by wave action that you will experience when diving in
areas close to shore.
A) Surf
B) Tide
C) Tidal current
D) Surge Correct Answers D) Surge
A buddy team in a NAUI Master Scuba Diver Course makes an
ocean dive to 95 feet for 20 minutes. After a surface interval of 2
hours and 35 minutes, they make a repetitive dive to 70 feet for
24 minutes. They remain on the surface for 2 hours and 51
minutes before diving to 45 feet. What is their adjusted
maximum dive time for the third dive?
A) 29 minutes
B) 51 minutes
C) 42 minutes
D) 59 minutes Correct Answers B) 51 minutes
,A depth that is equivalent to one atmosphere in the ocean is
equal to _________ feet in sea water and _________ feet in
fresh water.
A) 34; 33
B) 33; 34
C) 35; 33
D) 33; 33 Correct Answers B) 33; 34
A diver experiencing panic should:
A) ascend immediately.
B) stop, rest and breathe slowly and deeply until you recover
C) descend and continue the dive
D) swim at maximum pace toward the beach or boat Correct
Answers B) stop, rest and breathe slowly and deeply until you
recover
A diver on the surface waving his/her hand overhead and
thrashing violently indicates:
A) Distress
B) Danger
C) Out of air
D) Euphoria Correct Answers A) Distress
A diver with a group letter of "F" making a dive to 60 ft. has a
residual nitrogen time of:
A) 47 minutes
B) 36 minutes
C) 19 minutes
D) 30 minutes Correct Answers B) 36 minutes
, A diver with blood and mucous in his/her mask upon surfacing
will most likely have:
A) Lung squeeze
B) Ear squeeze
C) Sinus squeeze
D) Air embolism Correct Answers C) Sinus squeeze
A diver's body heat is lost through conduction (primarily) at a
rate of approximately _________ times more rapidly than in air.
A) 10
B) 25
C) 30
D) 15 Correct Answers B) 25
A diver's inability to equalize his/her ears during ascent could
cause:
A) Sinusitis
B) A block or reverse block
C) Internal ear squeeze
D) External ear squeeze Correct Answers B) A block or
reverse block
A sealed balloon filled with air that has a volume of 6 cubic
inches at 99 feet will have a volume of ____________ at 33 feet.
A) 3 cubic inches
B) 9 cubic inches
C) 12 cubic inches
D) 24 cubic inches Correct Answers C) 12 cubic inches
A Symptom of carbon monoxide poisoning is often:
A) Mental sharpness