5 ways to equalize your ears - ANSWER ✔ 1. Valsalva maneuver
really "Toynbee"
-holy you nose and blow gently
-only on descent
2. juttin jaw
3. yawning method
4. swallowing method
5. tilting the head
majority equalize better feet first. (ropers) some or slopers, some
are ropers.
Squeeze - ANSWER ✔ -happens on descent
-stop your descent and ascend slightly
-try to equalize again
Reverse Block or Block - ANSWER ✔ -happens on ascent
-stop your progress and descend slightly
-try to equalize again and pray
Earplugs and Goggles - ANSWER ✔ -Some vented earplugs
maybe used for Scuba
-Non-vented earplugs are very dangerous for Scuba
-A mask covers the nose and enables you to equalize ears,
goggles do not. Goggles are very dangerous for Scuba.
,Prearranged lost buddy plan - ANSWER ✔ ...
Stimulus to breathe - ANSWER ✔ -high levels of carbon dioxide
Surge vs. Swell - ANSWER ✔ -surge is back and forth
-swell is up and down
Six rules of Diving - ANSWER ✔ 1. Clear your ears early and
often
2. When the regulator is out of your mouth, exhale tiny bubbles.
3. When the regulator is in your mouth, continuously breath.
Or
4. Exhale on emergency swim ascent
5. While ascending, stay below your tiniest bubble
6. Scuba diving should be a no pain sport
Certified Scuba Diver - ANSWER ✔Should only fill cylinders,
rent, and let themselves and other certified Scuba Diver use
Regulators and Buoyancy Compensators
-Recommended Maxiumum depth is 60 fee for NAUI Scuba Diver
-Recommended Maximum depth is 80 feet for NAUI Advanced
Diver with a limited of 130 feet
-NAUI Advanced course is designed primarily for newly certified
NAUI SCUBA Divers
Overexpansion injuries can be prevented by: - ANSWER ✔All
answers correct:
-Never holding your breath while diving
-Dive with a properly maintained high-quality Total Diving System
-Learning the correct breathing patterns reinforced in classroom,
pool, and open water training
, The most serious lung overexpansion injury is: - ANSWER ✔
arterial gas embolism
In air at 1 ata, the partial pressure of nitrogen is___, oxygen
is_____. - ANSWER ✔ 0.79/0.21 oxygen
Medial emphysema and pneumothorax - ANSWER ✔Which of
the following overexpansion injuries can be characterized by
chest pain, breathing difficulties, weakness, and cyanosis
(blueness) of the lips and nail beds:
Other symptoms of decompression sickness include: - ANSWER
✔ all answers correct:
-numbness
-itchy skin
-paralysis and loss of manual dexerity
Diving at altitude or flying after diving: - ANSWER ✔Requires
special diving computer functions, altitude tables and/or refraining
from flying from at least 24 hours after the completion of a dive
Gas can enter the bloodstream and cause serious damage to the
lungs or even death by: - ANSWER ✔All answers are correct
-Ascending too fast
-Holding breath
-Diving with respiratory congestion
The only accepted treatment for Arterial Gas Embolism is: -
ANSWER ✔ Stabilizing victim in nearest medical facility and
transport to decompression chamber for decompression
If you lose contact with your buddy, you should: - ANSWER ✔
Search for no more than a minute by turning 360 degrees and
, looking up and down and then perform a normal ascent to the
surface
The reciprocal azimuth for an initial azimuth of 60º is: - ANSWER
✔ 240
You should perform a safety stop at 15 feet for 3 to 5 minutes on
every dive. - ANSWER ✔ True
It is OK to share a computer with your dive buddy - ANSWER ✔
False
The term repetitive dive is defined as: - ANSWER ✔Any dive
started more than 10 minutes and less than 12 hours after a
previous scuba dive
Which of the following steps should be taken in the selection of a
dive site: - ANSWER ✔All answers are correct
*purpose of the dive
*degree of difficulty presented by the site
*Honest evaluation of your diving abilities and conditioning levels,
as well as those of your buddy
The most important reason for planning your dives and executing
the dive per your plan is to: - ANSWER ✔ Prevent accidents
A good diving buddy: - ANSWER ✔Kerriana
Two examples of hard corals are: - ANSWER ✔elkhorn and
staghorn
Divers should avoid contact with all corals because: - ANSWER
✔ All answers are correct
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