SCUBA DIVING EXPLAINED
Questions and Answers on
Lawrence Martin, M.D. Copyright 1997
Brief History of Diving
Short Scuba Quiz
For each of the following 15 multiple-choice questions choose the SINGLE BEST ANSWER. Answers are at the end of the quiz. If you answer 12 or more questions correctly, you already know quite a bit about scuba diving. After the multiple choice quiz is a "Trivia" quiz based on other information in the book.
1. The gas composition of ordinary air is:
2. Compressed air in a scuba tank filled to capacity, compared to ordinary arie, has:
3. Compared to seal level ai pressure, aire pressure ina scuba tank with 3000 psi is approximately how many times higher?
4. The total number of atmospheres of pressure on a scuba diver at 99 feet of sea water is:
5. Nitrogen narcosis ("rapture of the deep") results from:
6. Which of the following problems is least related to diving deeper than allowed by standard dive tables?
7. The reason scuba divers should never hold breath under water has to do with effects explained by:
8. At a depth of 66 feet sea water, air breathed from a scuba tank as it enters the diver's lungs is how much denser than air breathed at seal level?
9. Wich one of the following factors is the same for aire embolism and for decompression sickness?
10. Aire embolism occurs on:
11. "Shallow-water-blackout," as may be seen in breath-hold dives, is due to:
12. First aid treatment for a victim of decompression illness should always include 100% inhaled oxygen because:
13. All of the following are forms of barotrauma except one:
14. Dive table s are based on the assumption that:
15. The principal reson peoplewith asthma are advised not to dive is the risk of
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