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1
Q

As a newly certified PADI Open Water Diver, you’ll be trained to dive with a buddy as deep as

  1. 18 metres/60 feet.
  2. 10 metres/30 feet.
  3. 40 metres/130 feet.
  4. 30 metres/100 feet.
A
  1. 18 metres/60 feet.
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2
Q

Certain medical conditions can be hazardous while diving, so it’s important to answer all questions on the Medical Statement honestly and completely.
True / False

A

True

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3
Q

PADI courses are performance-based. This means that to be certified, you must:

  1. Meet specific performance requirements.
  2. Spend a given number of hours training.
  3. Simply pay for the course.
A
  1. Meet specific performance requirements.
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4
Q

Failure to complete assigned independent study can create significant delays, and my instructor may have to cancel and reschedule sessions until I complete the assignment.
False / True

A

True

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5
Q

When diving in a new dive environment, two benefits of seeking an orientation, supervision and/or additional training are that it helps me avoid problems and that it helps me enjoy the dive more.
True / False

A

True

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6
Q

As you descend in water the pressure

  1. decreases.
  2. does not change.
  3. increases.
A
  1. increases.
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7
Q

A depth change of 10 metres/33 feet causes a pressure change of

  1. 1 bar/ata.
  2. 2 bar/ata.
  3. 3 bar/ata.
  4. 4 bar/ata.
A
  1. 1 bar/ata.
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8
Q

If you take 6 litres of air from the surface to 20 metres/66 feet, the volume will be _____ litres.

  1. 1
  2. 2
  3. 3
  4. 4
A
  1. 2
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9
Q

The density of the air in the previous question (If you take 6 litres of air from the surface to 20 metres/66 feet) would be ________ the density at the surface.

  1. one-third
  2. one-half
  3. three times
  4. four times
A
  1. three times
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10
Q

A balloon fully inflated and sealed at 10 metres/33 feet, would probably _______ during ascent to the surface.

  1. shrink (become smaller)
  2. burst
A
  1. burst
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11
Q

As I descend, increasing pressure affects my (choose all that apply):

  1. mask
  2. ears
  3. skin
  4. sinuses
A
  1. mask
  2. ears
  3. sinuses
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12
Q

A squeeze is caused by

  1. a pressure imbalance between the surrounding pressure and an air space.
  2. wearing my wet suit or other gear too tightly.
A
  1. a pressure imbalance between the surrounding pressure and an air space.
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13
Q

Equalization is the process of

  1. adding air to an air space.
  2. removing air from an air space.
  3. reducing the surrounding pressure.
  4. increasing the surrounding pressure.
A
  1. adding air to an air space.
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14
Q

I should equalize

  1. when I feel pain or discomfort.
  2. only if I can’t tolerate the pain or discomfort.
  3. before I feel pain or discomfort.
  4. when I reach the bottom.
A
  1. before I feel pain or discomfort.
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15
Q

I’m descending and discover I can’t equalize. The first thing I would do is

  1. equalize more forcefully.
  2. stop my descent and signal my buddy/the instructor.
  3. slow my descent and see if the problem corrects itself.
A
  1. stop my descent and signal my buddy/the instructor.
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16
Q

I equalize gently because an extended, forceful equalization can cause permanent damage to my ears and hearing.
True / False

A

True

17
Q

On a day I plan to go diving, I wake up with my sinuses blocked due to a cold or allergy. I should

  1. take an approved decongestant so I will be able to equalize.
  2. plan to take a lot longer as I descend.
  3. cancel the dive until I’m well.
A
  1. cancel the dive until I’m well.
18
Q

When scuba diving, normal breathing keeps your lungs equalized to the surrounding pressure.
True / False

A

True

19
Q

The most important rule in scuba diving is to

  1. check your air supply every five minutes.
  2. breathe continuously and never hold your breath.
  3. always dive with a buddy.
A
  1. breathe continuously and never hold your breath.
20
Q

Failure to follow the most important rule in scuba diving can cause severe lung overexpansion injuries, which can result in paralysis or death.
True / False

A

True

21
Q

During ascent I feel discomfort in my ears. I should

  1. continue my ascent at a slightly faster rate.
  2. stop, descend slightly and allow trapped air to work its way out.
  3. use a decongestant before my next dive.
  4. equalize by blowing gently against blocked nostrils.
A
  1. stop, descend slightly and allow trapped air to work its way out.
22
Q

My buddy and I descend to 12 metres/40 feet. I would expect to use my air __________ at 6 metres/20 feet.

  1. at the same rate as
  2. slower than
  3. faster than
A
  1. faster than
23
Q

The most efficient way to breathe dense air underwater is to breathe

  1. deeply and slowly.
  2. shallowly and rapidly.
  3. shallowly and slowly.
  4. deeply and rapidly.
A
  1. deeply and slowly.
24
Q

My body responds to anxiety with increased breathing, but slow breathing helps reduce anxiety.
True / False

A

True

25
Q

Which of the following are among the breathing rules I follow as a diver? (choose all that apply):

  1. If faced with a problem, stop, then maintain or restore slow, deep breathing.
  2. Breathe continuously and never, ever, hold my breath.
  3. Breathe slowly and deeply.
  4. Do not allow myself to get winded or out-of-breath.
A
  1. If faced with a problem, stop, then maintain or restore slow, deep breathing.
  2. Breathe continuously and never, ever, hold my breath.
  3. Breathe slowly and deeply.
  4. Do not allow myself to get winded or out-of-breath.
26
Q

Buoyancy is a force that pushes an object in water upward.

True / False

A

True

27
Q

My sunglasses case falls out of my pocket into the water, but fortunately, it floats so I retrieve it. I would say my sunglasses case is _______ buoyant.

  1. neutrally
  2. negatively
  3. positively
A
  1. positively
28
Q

Salt water causes more buoyancy than fresh water because it is less dense and weighs less.
True / False

A

False

29
Q

To control my buoyancy, normally I will use my weight system and my

  1. scuba cylinder.
  2. fins.
  3. BCD (Buoyancy Control Device)
  4. wet suit.
A
  1. BCD (Buoyancy Control Device)
30
Q

When I descend, my buoyancy tends to _________. When I ascend, it tends to __________.

  1. decrease, increase
  2. increase, decrease
  3. increase, increase
  4. decrease, decrease
A
  1. decrease, increase
31
Q

Underwater, when I inhale, my buoyancy

  1. increases slightly.
  2. doesn’t change.
  3. decreases slightly.
A
  1. increases slightly.
32
Q

It is important to master buoyancy control because it affects almost everything I do in and underwater.
True / False

A

True

33
Q

In recreational diving, the buddy system means diving with another diver or divers in a team that provides assistance and safety benefits.
True / False

A

True

34
Q

Overall benefits of the buddy system include (choose all that apply):

  1. safety
  2. fun
  3. practicality
A
  1. safety
  2. fun
  3. practicality

Padi (1 decks)

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