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Question 1

To equalize my ears, I

Answer 1

blow gently against pinched nostrils.

Question 2

I should equalize

Answer 2

early and often, before I feel discomfort.

Question 3

If I can’t equalize, I should

Answer 3

stop descending, signal my buddy, ascend slightly and try again.

Question 4

Continuing to descend without equalizing can cause injury (True/False)

Answer 4

True

Question 5

While descending, to properly control my buoyancy, I should add air to my BCD

Answer 5

in small amounts frequently.

Question 6

When there is a current during the dive on the bottom, the general rule is to swim

Answer 6

into the current.

Question 7

The most important rule in scuba diving is to

Answer 7

breathe continuously and never hold my breath.

Question 8

If I disregard the most important rule in scuba diving, I may suffer

Answer 8

serious lung overexpansion injuries.

Question 9

My buddy and I are PADI Advanced Open Water Divers diving at 20 metres/66 feet. Assuming the same breathing rate, our air supply will last ____ as long as at the surface.

Answer 9

one-third

Question 10

Underwater, I should breathe

Answer 10

slowly, deeply and continuously.

Question 11

If I begin to breathe hard and feel like I can’t get enough air from my regulator, I should

Answer 11

stop, hold on to something and rest until normal breathing resumes.

Question 12

Boats are supposed to stay about ________ from my dive flag if no other laws/regulations apply, but I shouldn’t assume boaters see or recognize my flag.

Answer 12

30 to 60 metres/100 to 200 feet

Question 13

To reduce the risk of being hit by a boat because the driver can’t see us, we should avoid swimming just below the surface (True/False).

Answer 13

True

Question 14

If the boat engine isn’t running, we can get near the propeller if necessary (True/False).

Answer 14

False.

Question 15

If any aspect of a dive, including my assessment of the environment, causes me significant concern or anxiety, I should

Answer 15

not dive.

Question 16

Ultimately, I am responsible for my own safety while diving and must make the final decision to dive (True/False).

Answer 16

True

Question 17

An overhead environment is an environment in which I cannot swim straight up to the surface (True/False).

Answer 17

True

Question 18

If I’m not warm enough during a dive, I should end the dive and use more exposure protection the next time in water the same temperature (True/False).

Answer 18

True

Question 19

If I begin to shiver uncontrollably, I should

Answer 19

end the dive immediately, dry off and seek warmth.

Question 20

The best way to get an exposure suit that fits properly, is comfortable and appropriate for the water where I’ll be diving, is to have a professional at my local PADI Resort or Dive Center help me (True/False).

Answer 20

True

Question 21

When diving from a boat in a current, I may use a __________ line to reach the front of the boat.

Answer 21

swim

Question 22

If I surface away from a boat in a moderate current, I should

Answer 22

swim across the current to the trail line.

Question 23

If I get carried past the boat by a current and cannot reach the trail line, I should

Answer 23

establish buoyancy and signal the crew to pick me up.

Question 24

When diving, I should have either a visual surface signaling device or an audible signaling device (True/False).

Answer 24

False

Question 25

If I surface and the boat is not in sight, I should establish buoyancy, stay with my buddy and deploy my surface signaling devices (True/False).

Answer 25

True

Question 26

A dive boat’s roll call or other accounting system is important for my safety, because it makes sure all divers are aboard before leaving the site (Tru/eFalse).

Answer 26

True

Question 27

Dive computers provide no stop (no decompression) information based on

Answer 27

mathematical models that work for most people most of the time.

Question 28

Failing to take my computer on every dive, sharing it, or turning it off between dives may increase

Answer 28

my risk of DCS.

Question 29

What are the six guidelines for diving with your computer

Answer 29

1. Stay well within your computer’s limits. 2. Dive the plan. 3. Follow the most conservative computer, yours or your buddy’s. 4. Watch your SPG. 5. Start at the deepest depth and progress shallower. 6. Ascend slowly and make a safety stop.

Question 30

As I descend, my computer shows a ______ no stop (no decompression) time. As I ascend, it shows a _______ no stop (no decompression) time.

Answer 30

shorter, longer

Question 31

My no stop (no decompression) time for a repetitive dive is shorter because my computer is accounting for________.

Answer 31

residual nitrogen

Question 32

According to the guidelines for diving with a computer, when making several dives, make the ________ dive first, with each dive progressively _______.

Answer 32

deepest, shallower

Question 33

The three primary benefits of the buddy system are practicality, safety and fun (True/False).

Answer 33

True

Question 34

You should inspect your gear before each dive (True/False).

Answer 34

True

Question 35

When you are properly weighted, holding a normal breath with a deflated BCD, you should float at _________ level.

Answer 35

Eye

Question 36

In an emergency you need to be able to quick-release

Answer 36

enough weight to become positively buoyant.

Question 37

Proper weighting and mastering buoyancy control has nothing to do with avoiding damage to sensitive aquatic life (True/False).

Answer 37

False

Question 38

A good rule of thumb is to stay within __________ of my buddy.

Answer 38

two seconds

Question 39

If separated from my buddy, the general procedure is to look for no more than ______ minute(s), then reunite on the surface if not found.

Answer 39

one

Question 40

Nearly all injuries from aquatic life are either unintended by the organism or result from ___________ behavior by the organism.

Answer 40

defensive

Question 41

Generally, I should avoid contact with organisms. This is especially true of ones that aren’t familiar to me (True/False).

Answer 41

True

Question 42

If I spot a large, potentially aggressive animal, I should

Answer 42

watch it and swim slowly away.

Question 43

The priority with an unresponsive diver underwater is

Answer 43

getting the diver to the surface.

Question 44

Question 2 The primary concerns with an unresponsive diver at the surface are check for breathing, and provide rescue breaths if the diver isn’t breathing (True/False).

Answer 44

True

Question 45

The first step in assisting an unresponsive diver at the surface is to

Answer 45

establish buoyancy.

Question 46

If my computer fails during a dive, (choose all that apply): - continue the dive with my backup, if I have one. - continue the dive following my buddy's computer. - ascend, make a safety stop and surface if I don't have a backup.

Answer 46

continue the dive with my backup, if I have one. AND ascend, make a safety stop and surface if I don't have a backup.

Question 47

If I don’t have a backup computer and I can’t use dive tables, after a computer failure I have to wait 12 or more hours before resuming diving with a working computer (True/False).

Answer 47

True

Question 48

If I reach my ascent pressure before reaching my planned ascent point, it is acceptable to use my reserve to continue to my ascent point (True/False).

Answer 48

False

Question 49

What are the 9 symptoms of decompression sickness (DCS)?

Answer 49

BRAIN: dizziness; shock; MOVEMENT: paralysis; tingling; joint and limb pain; numbness; SERIOUS STUFF: difficulty breathing; weakness and prolonged fatigue; unconsciousness and death

Question 50

“Decompression illness” is the same thing as “decompression sickness" (True/False)

Answer 50

False

Question 51

A diver with suspected decompression illness should stay lying down (True/False).

Answer 51

True

Question 52

If I accidentally exceed my computer’s no stop (no decompression) limits, I will need to

Answer 52

make one or more emergency decompression stops.

Question 53

If I surface without completing an emergency decompression stop, I should

Answer 53

relax, breathe 100 percent oxygen and monitor myself for DCS symptoms.

Question 54

One way to determine a minimum surface interval is to simply scroll my dive computer’s no stop (no decompression) limits at intervals until I have enough time at the desired depth (True/False).

Answer 54

True

Question 55

Protecting myself from the sun requires only wearing sunscreen and/or protective clothing (True/False).

Answer 55

False

Question 56

If I feel seasick, I should go

Answer 56

to the lower center of the boat in fresh air.

Question 57

If I make only a single dive and have not been diving for several days, the recommended minimum interval before flying is

Answer 57

12 hours

Question 58

If I make repetitive dives or multiday dives (diving every day for several days in a row), the recommended minimum interval before flying is

Answer 58

18 hours

Question 59

If I have completed any dives requiring emergency decompression stops, the recommended minimum interval before flying is

Answer 59

more than 18 hours

Question 60

What cabin altitude is assumed for no flying recommendations

Answer 60

600-2,400m (2,000-8,000 feet)

Question 61

The best way to manage surface problems is to follow three steps:

Answer 61

1) Establish buoyancy 2) Stop, think then act 3) Ask for help

Question 62

What 4 steps are used to manage a panicked responsive diver:

Answer 62

1) Establish buoyancy for you and the diver 2) Calm and reassure the diver 3) Help the diver reestablish normal breathing 4) Assist the diver to the boat or shore if required

Question 63

On which dives should the approach to diving that helps me avoid and manage problems by following safe guidelines, having the recommended equipment and doing as I was trained

Answer 63

on all dives, even when it doesn’t seem necessary.

Question 64

The first thing to do when I have a problem at the surface is to

Answer 64

establish buoyancy.

Question 65

When assisting a responsive diver at the surface, always begin

Answer 65

with buoyancy.

Question 66

It’s recommended that my fitness be suited to the type of diving I do, plus a physical reserve (True/False).

Answer 66

True

Question 67

If I feel ill before a dive, I should take the appropriate medicines that make me feel better before I start the dive (True/False).

Answer 67

False

Question 68

Even when I plan a relaxing dive, circumstances can make diving strenuous on my heart and cardiovascular system (True/False).

Answer 68

True

Question 69

If I may be predisposed to heart disease, there’s really nothing I can do about it (True/False).

Answer 69

False

Question 70

Signs/symptoms of contaminated air may include (3 things)

Answer 70

1) cherry red lips/nail beds 2) nausea 3) headache

Question 71

To avoid contaminated air, only have my cylinder filled

Answer 71

at professional scuba operations.

Question 72

After a dive, my buddy has a headache and is dizzy. His lips are bright red, and after taking off his gloves I see his nail beds look very red, too. What should I do?

Answer 72

have him breathe fresh air/emergency oxygen

Question 73

What are the signs of Gas Narcosis?

Answer 73

1) Feeling intoxicated (Loss of coordination; Slowed thinking and confusion; Slowed reactions; Inappropriate laughter) 2) Depression 3) False sense of security (Ignoring or disregard for safety) 4) Anxiety and panic (especially when under stress at depth)

Question 74

Most divers begin to notice gas narcosis at approximately

Answer 74

30m/100ft

Question 75

Prescription or over-the-counter drugs may make me more susceptible to gas narcosis (True/False).

Answer 75

True

Question 76

If my buddy or I seem to be affected by narcosis, simply wait a few moments and it will probably pass (True/False).

Answer 76

False

Question 77

What is the predive safety check mnemonic

Answer 77

BWRAF (Burger With Relish And Fries)

Question 78

What does the predive check cover

Answer 78

B - BCD W - Weight R - Releases A - Air test main and alternate regulator F - Final (Dangling hoses, etc)

Question 79

What are the 3 ways of entering deep water

Answer 79

1) Giant Stride 2) Back roll 3) Controlled Seated Entry

Question 80

Steps in descent

Answer 80

1) Check buddy is ready to go 2) Orient yourself with something on the surface 3) deflate BCD 4) equalise early and often 5) gradually inflate BCD to control buoyancy