Lesson 129
Quiz Sheet Download
Use the answer sheet from the previous quiz or download a new one, and answer the questions below
How to use the answer sheet
1.) Shade in the answer box
2.) If you change your mind put a cross X through the box, then shade in the box you want, and circle that box.
* Complete the quiz to get credit for this section on your Open Water Diver Training eRecord. You'll need to demonstrate mastery by achieving a score of 75 percent or higher.
Quiz Questions are below
When completed, submit to your instructor to review
1.) Besides being required for diver training, my logbook is something that
A. gives me a record of my dive experience.
B. is required by law in most countries.
C. has no purpose except for my personal interest.
D. is required to purchase dive equipment.
2.) Diving with enriched air requires special training and procedures. Using enriched air without proper training and procedures can cause.
A. my dive computer to shut down.
B. no real harm.
C. bad air.
D. oxygen toxicity (poisoning).
3.) For a given depth, the no stop time is shorter on a repetitive dive than on the first dive.
True
False
4.) Decompression sickness (DCS) is a condition that can be life-threatening. What in the bloodstream and tissues causes this condition?
A. Nitrogen bubbles.
B. Poisons.
C. Body waste.
D. Blood clots.
5.) Pain, weakness, tingling, numbness and not being able to move my arms or legs are common signs and symptoms of
A. dehydration.
B. oxygen toxicity (poisoning).
C. contaminated air (bad air).
D. decompression sickness (DCS).
6.) When using a dive computer, I should ascend (go up) at a rate not faster than
A. 30 metres/100 feet per minute.
B. 18 metres/60 feet per minute.
C. the rate specified by my computer.
D. the ascent rate is not important.
7.) To reduce the risk of decompression sickness (DCS) I should
A. have my cylinder filled only at a dive center I trust.
B. ascend (go up) to a shallower depth if I feel dizzy.
C. make a safety stop at 5 metres/15 feet at the end of each dive.
D. breathe more slowly than normal.
8.) When diving with a computer
A. each buddy team should have a computer.
B. each diver should have a computer.
C. I do not need to make safety stops.
D. I do not need to plan the dive.
9.) I should not turn off a dive computer between dives, because
A. doing so will void the warranty.
B. I will not be able to log the dive information.
C. this causes the batteries to discharge rapidly.
D. the computer will lose all memory of residual nitrogen.
10.) The first step in setting up and using my dive computer is
A. reading the manufacturer’s instructions.
B. turning the unit on.
C. setting it for fresh or salt water.
D. testing the unit in confined water.
Comments
