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Scuba Diving > Knowledge Review 4 > Flashcards

Knowledge Review 4 Flashcards

1
Q

I have a bit of a cold but feel I can manage the dive well enough, so it is okay to dive
True/false

A

False

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2
Q

Exertion from swimming hard, carrying equipment, climbing a ladder, long walks wearing gear, and heat stress from wearing an exposure suit in a hot climate can lead to heat attack in predisposed individuals. These factors can also cause problems for people with other cardiovascular conditions
True/false

A

True

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3
Q

Before diving, I should refrain from using
A. Tobacco
B. Alcohol

A

Both

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4
Q

Medications can create problems when diving, so I should use prescription drugs and over-the-counter medications with caution. Any drug that affects my judgment, thinking and/or reactions should generally not be used before diving
True/false

A

True

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5
Q

It is recommended that pregnant women do not dive

True/false

A

True

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6
Q 
As a new PADI Open Water Diver, I should refresh my dive skills with a PADI Scuba Review after \_\_\_\_ of inactivity
A. One month
B six months
C. One year
D. five years
A

B. Six months

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7
Q

One reason it is important to be certified as a PADI Enriched Air Diver, or under the supervision of a PADI Enriched Air Instructor, before using enriched air nitrox is to avoid oxygen toxicity problems
True/false

A

True

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8
Q

During a dive, I begin to have a headache, feel ill and dizzy. Are these possible symptoms of contaminated air?
Yes or no

A

Yes

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9
Q

To avoid contaminated air, I should have my cylinder filled only at reputable scuba air sources
True/false

A

True

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10
Q

The two primary factors that influence how much nitrogen dissolves into my body tissue during a dive are ____ and ____
A. Depth, time
B. Temperature, time
C. Depth, temperature

A

A. Depth, time

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11
Q

If I exceed established depth and time limits while diving and then surface, bubbles can form in my body tissues, causing decompression sickness
True/false

A

True

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12
Q

After a dive, a diver had numbness, tingling, and weakness in the arms. Are these possible signs/symptoms of DCS?
Yes or no

A

Yes

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13
Q 
Secondary factors thought to contribute to DCS include
A. Age
B. Cold
C. Injuries
D. Poor fitness/high body fat
A

All of them

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14
Q

A no stop dive means I can, ____ the dive, ascend directly to the surface without stopping if necessary (although I would normally plan a safety stop)
A. For the first half
B. For the last half
C. At any time during

A

C. At any time during

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15
Q

If I am planning to dive to 12 m/40 ft, my no stop limit will be ____ than my no stop limit for a dive to 10 m/30 ft
A. Longer
B. Shorter

A

B. Shorter

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16
Q

Exceeding my computer or table’s ascent rate may increase my risk of DCS
True/false

A

True

17
Q

On a repetitive dive, for a given depth my no stop limits will be ____ those of the first dive
A. Longer than
B. Shorter than
C. The same as

A

B. Shorter than

18
Q

I must use the same dive computer the entire day of diving, on all dives, and not share it with another diver
True/false

A

True

19
Q

During a dive with my dive computer, my buddy and I will turn the dive based on the first limit we reach: remaining no stop time or air supply turn point
True/false

A

True

20
Q

When diving with a computer, it is recommended that I
A. Dive well within its limits
B. Follow the most conservative computer - mine or my buddy’s
C. Start at the deepest point and progress shallower
D. Ascend slowly and make a safety stop

A

All of them

21
Q

During a dive, my dive computer fails, and I’m not using a backup. I should
A. Continue the dive based on my buddy’s computer
B. Ascend, make a safety stop and end the dive
C. Stay for the duration we planned before the dive

A

B. Ascend, make a safety stop and end the dive

22
Q

One reason it is important to have environmentally friendly dive skills is to preserve the natural beauty for other divers
True/false

A

True

23
Q

During an underwater cleanup, my buddy and I fill a large mesh utility bag with several kilograms/pounds of garbage. We should
A. Attach the bag to our gear
B. Carry the bag in our hands

A

B. Carry the bad in our hands

Scuba Diving (11 decks)

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