PADI diving exam review
Unless there are laws that say differently, I should stay within _____ of my dive flag
15 meters/ 50 feet
If my cylinder of air lasts 60 mins while I am at the surface breathing normaly, assuming all else is the same how long will it last at 20 meters/ 66 feet breathing normally?
20 minutes (1/3 the amount of time at surface)
Choose the best answer for the signal shown.
Distress/ help.
I feel a mild current at the start of my dive. How should I begin this dive?
Dive against or into the current
When making computer assisted dives...
Each diver needs a personal computer
If I'm diving in cold water or under strenuous conditions...
I should add an extra safety margin and stay well within the computers limits
Choose the best answer for the signal shown.
Okay
Choose the best answer for the signal shown form the choices provided.
Something is wrong.
Which of the following is part of proper care for my scuba cylinder?
always keep some air in it. Then have it pressure tested every 2-5 years.
If my computer fails during a dive, I can use my backup computer to continue the dive. If I'm not wearing a backup I should...
ascend and make a safety stop and then end the dive.
Divers who act foolishly at depth due to gas narcosis may start acting normal again if they...
ascend to a shallower depth
Although it shouldn't have happened, on a dive I fail to watch my SPG and run out of air. If my buddy is close by, my best option is to ___. Another option is to___, if I'm in shallow water and the surface is closer than my buddy.
ascend using my buddy's alternate air source/ make a controlled emergency swimming acent
If I think I have decompression sickness I should...
breathe 100% oxygen and contact medical care
There is an injured diver who is out of the water and not responding to my touch or voice. The first thing to do would be...
check if the diver is breathing.
As I descend, my wet suit will...
compress from water pressure and I will lose buoyancy and warmth.
I am likely to increase the risk of decompression sickness if I
dive while tired, cold, sick, thirsty, or injured
A regulator ____ is the part that connects to your scuba cylinder and a regulator ____ is the part you place in your mouth and use to breath.
first stage/ second stage
I known I am properly weighted for diving if I...
float at eye level while holding a normal breath of air and with an empty BCD
If I accidentally exceed my computer's no stop limits I should...
follow the computers instructions for decompression
The difference between DIN valves and yoke valves is that DIN valves...
have threaded openings to screw the regulator into.
If my regulator begins to free flow while underwater I should...
hold the regulator without sealing my mouth around the mouthpiece and sip the air I need as I ascend.
Lung overexpansion injuries can be caused by...
holding my breath while diving.
I am most likely to become confused about which way is up or down ___
in midwater.
the best place for me to position an alterate air source is...
in the triangle area formed by my chin and the lower corners of my rib cage.
It is important to not turn off a dive computer between dives because...
it would lose memory of the previous dive and not calculate repetitive dives correctly
When I look at things underwater they often seem ___ than they look on the surface.
larger and nearer
How often should I take my scuba cylinder to be visually inspected by my dive center?
once a year
Choose the best answer for the signal shown.
out of air
The first step in using my dive computer is...
reading the manufacturer's instructions
I should have cylinders filled at a dive center I rust, not use any air that tastes or smells bad, nor use air from a compressor designed to fill car tires. This is important to...
reduce the risk of breathing contaminated air.
If I were separated from my buddy, the general procedure is to...
search for a minute then go up o reunite with my buddy at the surface.
___ travels faster in water than it dos in air. This is why you cannot easily tell where it comes from.
sound
If I work too hard and find it difficult to breathe underwater, I should...
stop all activity and rest. If possible holed onto something for support.
Choose the best answer for the signal shown.
stop, hold it, stay there
I am close to my buddy and realize I am out of air. The best response is to...
switch to my buddy's alternate air source
When planning a dive with a computer, I use the plan or no stop scroll mode to determine...
the maximum allowable time limits for depths (typically 3 meter/ 10 foot increments)
Most injuries caused by aquatic animals happen because the animals are...
trying to defend themselves.
What the bottom is made of can cause big changes in...
visibility.