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PADI Open Water Diver Final Exam Questions and answers | Updated 2024/25 RATED A+
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PADI Open Water Diver Final ExamQuestions and answers | Updated
2024/25 RATED A+
As you descend in water the pressure - increases
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II IIA depth change of 10 meters/33 feet causes a pressure change of - 2 bar/ata
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II IIif you take 6 liters of air from the surface to 20 metres/66 feet, the volume will be - 2 liters
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The density of the air at 20 meters/66 feet would be _______ the density at the surface of
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- three times
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A balloon fully inflated and sealed at 10 meters/33 feet, would probably ________ during
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ascent to the surface. - expand/burst
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II IIAs I descend, increasing pressure affects my _________ - mask, ears, sinuses
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A squeeze is caused by - a pressure imbalance between the surrounding pressure and
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an air space
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II IIEqualization is the process of - adding air to an air space II II II II II II II II II II II II II II
II III should equalize - before i feel pain or discomfort
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I'm descending and discovering I can't equalize. The first thing I would do is - stop my
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descent and signal my buddy/the instructor
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On a day I plan to go diving, I wake up with my sinuses blocked due to a cold or allergy. I
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should - cancel the dive until I'm well
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When scuba diving, normal breathing keeps your lungs equalized to the surrounding
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pressure (T/F) - True
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The most important rule in scuba diving is to - breathe continuously and never hold your
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breath
II
Failure to follow the most important rule in scuba diving can cause severe lung
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overexpansion injuries, which can result in paralysis or death (T/F) - true
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During ascent I feel discomfort in my ears. I should - stop, descend slightly and allow
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trapped air to work its way out
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,II IIDepth 0m/0ft what is the pressure, volume and density - 1 bar/ata, 1 volume, 1x density
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Depth 10m/33ft what is the pressure, volume and density - 2 bar/ata, 1/2 volume, 2x
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density
II
Depth 20m/66ft what is the pressure, volume and density - 3 bar/ata, 1/3 volume, 3x
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density
II
Depth 30m/99ft what is the pressure, volume and density - 4 bar/ata, 1/4 volume, 4x
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density
II
As I descend, I need to equalize air spaces. Which of the following are accepted ways of
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equalizing my ears?
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a. Block my nose and attempt to gently blow through it.
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b. Swallow and wiggle the jaw from side to side
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c. Block my nose and blow forcefully for an extended period - Block my nose and attempt
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to gently blow through it + swallow and wiggle the jaw from side to side
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I should equalize
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a. early and often, before I feel discomfort
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b. when I begin to feel discomfort
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c. only if I experience pain - early and often, before I feel discomfort
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I should not dive with a cold, nor use medications to dive with a cold. True or False -
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True
II
Failure to follow the most important rule in scuba diving can cause serious lung
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overexpansion (lung rupture) injuries, which in turn can cause paralysis and death. True
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or False - True
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During a descent, I try to equalize but discover I'm having trouble doing so. Which of the
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following is correct?
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a. Slow my descent, signal my buddy to slow down and equalize more forcefully
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b. Stop my descent, signal my buddy to slow down and try again
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c. Continue my descent while equalizing repeatedly
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d. Signal my buddy, ascend to the surface and start my descent over the - Stop my
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descent, signal my buddy to slow down and try again
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My buddy and I are planning a dive to 18m/60ft. We would expect our air supply to last
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_______ at 10m/33ft, all else being the same.
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a. longer than
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b. shorter than
II II II
c. the same as - shorter than
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During a dive, I swim hard to keep up with the fish that interests me, but shortly I begin to
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feel like I can't get enough air. The correct action would be to:
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, a. Signal my buddy and head up to the surface
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b. Use the regulator purge button to boost air flow
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c. Stop all activity and rest to restore proper deep, slow breathing - Stop all activity and
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rest to restore proper deep, slow breathing
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An object that is neutrally buoyant in fresh water will ______ in salt water.
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a. sink II
b. float II
c. be neutrally buoyant - float
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II IIThe ocean has more - buoyancy compared to fresh water
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The three overall benefits of the buddy system are practicality, safety, and fun. True or
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False - True
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The primary considerations when choosing any piece of scuba gear are:
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a. suitability
II
b. brand II
c. fit II
d. comfort - suitability, fit, and comfort
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I'm planning to dive the following week and am checking my gear. I put my kit together
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and notice that my regulator seems to breathe harder than I remember. The appropriate
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action would be to:
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a. Have it inspected and serviced as needed by a professional before using it
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b. Go ahead and use it, but limit my dive depth to 10metres/33feet
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c. Wash it in fresh water and see if the problem persists - have it inspected and serviced
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as needed by a professional before using it
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II IIThere is no way to use a DIN regulator on a yoke cylinder valve. True/False - False
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It is important to master buoyancy control because it allows me to control whether I
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descend, float or am neutrally buoyant. I adjust my buoyancy frequently while diving.
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True/False - True
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I take a colorful fish identification slate with me while diving. Looking at the slate
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underwater at 12metres/40feet, I would expect the slate to look
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a. smaller/farther away
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b. more colorful
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c. less colorful
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d. larger/closer - less colorful and larger/closer
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While underwater, I want to move efficiently by:
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a. moving as quickly as possible
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b. being streamlined
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c. having just a little more weight than I actually need
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