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PADI OPEN WATER FINAL EXAM (A) QUESTIONS WITH
COMPLETE SOLUTIONS GUARANTEED PASS BRAND NEW
If an object is neutrally buoyant (does not sink or float) in fresh water, the same object placed into salt water would _____. - ANSWER - >Float If I blow up a balloon, tie it off, and take it to the bottom of the swimming pool. What will happen to the balloon and the air inside it? - ANSWER - >The balloon will get smaller and the air inside the balloon will be more dense (molecules move closer together). I turn a glass upside down, trap the air in it by putting it in water, and then I take the glass down to 10 meters/33 feet. The air space would _____. - ANSWER - >Become half the size it was at the surface If I am not able to equalize (clear) my body air spaces, it may be because I have _____. - ANSWER - >A cold, allergy or another medical problem If my ears or sinuses hurt while I am descending (going down), it usually means _____. - ANSWER - >I am feeling a squeeze and need to equalize
The best place for me to position an alternate air source is _____. - ANSWER - >In the triangle area formed by my chin and the lower corners of my rib cage Lung over-expansion injuries can be caused by _____. - ANSWER - >Holding my breath while scuba diving If my cylinder of air lasts 60 minutes while I am at the surface breathing normally, assuming all else is the same, how long will it last at 20 meters/66 feet breathing normally? - ANSWER - > 20 minutes How often should I take my scuba cylinder to be visually inspected by my dive center? - ANSWER - >Once a year The difference between DIN valves and yoke valves is that DIN valves _____. - ANSWER - >Have threaded openings to screw the regulator into Which of the following is part of proper care for my scuba cylinder? - ANSWER - >Keep some air in it. 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 breathe. - ANSWER - >First stage/Second stage
I feel a mild current at the start of my dive. How should I begin this dive? - ANSWER - >Dive against or into the current. What the bottom is made of can cause big changes in _____. - ANSWER - >Visibility Most injuries cause by aquatic animals happen because the animals are _____. - ANSWER - >Trying to defend themselves A diver at the surface is moving quickly and jerkily, has the mask off the face, the regulator/snorkel is out of the mouth, and the diver does not respond to directions. The diver is _____. - ANSWER - >Showing signs of distress (trouble) I am close to my buddy and realize I am out of air. The best response is to _____. - ANSWER - >Switch to my buddy's alternate air source If my regulator begins to free flow (release air continuously) while underwater, I should _____. - ANSWER - >Hold the regulator without sealing my mouth around the mouthpiece and "sip" the air as I need as I ascend (go up) 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 and the surface is closer than my buddy. - ANSWER - >Ascend using my buddy's alternate air source/Make a controlled emergency swimming ascent
There is an injured diver who is out of the water and is not responding to touch or my voice. The first thing to do would be _____. - ANSWER - >To check if the diver is breathing I should have cylinders filled at a dive center I trust, not use air that tastes or smells bad, nor use air from a compressor designed to fill car tires. This is important to _____. - ANSWER -
Reduce the risk of breathing contaminated air. Divers who act foolishly at depth due to gas narcosis may start acting normally again if they _____. - ANSWER - >Ascend (go up) to a shallower depth I am likely to increase the risk of decompression sickness (DCS) if I _____. - ANSWER - >Dive while tired, cold, sick, thirsty or injured If I think I have decompression sickness, I should _____. - ANSWER - >Breathe 100% oxygen and contact emergency medical care The first step in using my dive computer is _____. - ANSWER - Reading the manufacturer's instructions When planning a dive with a computer, I use the "plan" or "no stop scroll" mode to determine _____. - ANSWER - >The maximum allowable time limits for depths (typically in 3 meter/10 foot increments)
divers, even experienced divers, is _____. - ANSWER - > 18 meters/60 feet | 40 meters/130 feet When diving at an altitude above 300 meters/1000 feet, _____.
- ANSWER - >I need to follow special procedures and may need to set my computer for the altitude
