DivingCertification

As I descend, increasing pressure affects my (choose all the apply): A. Mask B. Ears C. Sinuses D. Skin

Mask, Ears, Sinuses

A depth change of 10 meters/33 feet causes a pressure to change of... A. 1 bar/ata B. 2 bar/ata C. 3 bar/ata D. 4 bar/ata

1 bar/ata

As a newly certified PADI Open Water Diver, i will be trained to dive with a buddy as deep as... A. 10 meters/30 feet B. 18 meters/60 feet C. 30 meters/100 feet D. 40 meters/130 feet

18 meters/60 feet

If you take 6 liters of air from the surface to 20 meters/66 feet, the volume will be how many liters? A. 1 B. 2 C. 3 D. 4

2

A squeeze is caused by... A. Wearing my wet suit or other gear too tightly B. A pressure imbalance between the surrounding pressure and an air space

A pressure imbalance between the surrounding pressure and an air space

Which of the following are among the breathing rules I follow as a diver? (Choose all that apply) A. Breathe continuously and never, ever, hold my breath. B. Breathe slowly and deeply C. Do not allow myself to get winded or out-of-breath D. If faced with with a problem, stop, then maintain or restore slow, deep breathing

All

I should equalize... A. When I feel pain or discomfort B. Only if I can't tolerate the pain or discomfort C. Before I feel pain or discomfort D. When I reach the bottom

Before I feel pain or discomfort

The most important rule in scuba diving is to... A. Always dive with a buddy B. Breathe continuously and never hold your breath C. Check your air supply every five minutes

Breath continuously and never hold your breath

A balloon fully inflated and sealed at 10 meters/33 feet, would probably __________ during ascent to the surface. A. Shrink B. Burst

Burst

On a day I plan to go diving, I wake up with my sinuses blocked due to a cold or allergy. I should... A. Take an approved decongestant so I will be able to equalize B. Plan to take a lot longer as i descend C. Cancel the dive until I'm well

Cancel the dive until I am well

The most efficient way to breathe dense air underwater is to breathe... A. Shallowly and slowly B. Shallowly and rapidly C. Deeply and slowly D. Deeply and rapidly

Deeply and slowly

My buddy and I descend to 12 meters/40 feet. I would expect to use my air _________ at 6 meters/20 feet. A. Slower than B. At the same rate as C. Faster than

Faster than

As you descend in water the pressure... A. Increases B. Decreases C. Does not change

Increases

PADI courses are performance-based. This means that to be certified, I must.. A. Meet specific performance requirements B. Spend a given number of hours in training C. Simply pay for the course

Meet specific performance requirements

Equalization is the process of... A. Adding air to an air space B. Removing air from an air space C. Reducing the surrounding pressure D. Increasing the surrounding pressure

Removing air from an air space

Im descending and discover I can't equalize. The first thing I would do is... A. Equalize more forcefully B. Stop my descent and signal my buddy/the instructor C. Slow my descent and see if the problem corrects itself

Stop my descent and signal my buddy/the instructor

During ascent I feel discomfort in my eyes. I should... A. Continue my ascent at a slightly faster rate B. Stop, descend slightly and allow trapped air to work its way out C. Use decongestant before my next dive D. Equalize by blowing gently against blocked nostrils

Stop, descend slightly and allow trapped air to work its way out

The density of 6 liters of air from the surface to 20 meters/66 feet would be _________ the density at the surface. A. One-third B. One-half C. Three times D. Four times

Three times

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

True

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. True or False

True

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

True

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

True

My body responds to anxiety with increase breathing but slow breathing helps reduce anxiety. True or False

True

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 or False

True

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

True