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Final Exam:SDI:SDI Final Exam 100% Verified Questions & Answers: Latest Updated A Plus Score Solution
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Which of the following is not true? Divers should equalize: 1: Preemptively before descent. 2: Well before feeling any pain or discomfort. 3: As soon as they feel any pain or discomfort. 4: Early and often during descent. (Ans- As soon as they feel any pain or discomfort. Objects under wat...

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  • September 17, 2024
  • 27
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • which of the following is not true divers should
  • all of the following are true except
  • any time you cannot inhale while scuba diving suc

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SDI Final Exam: Questions & Answers

Which of the following is not true? Divers should equalize:
1: Preemptively before descent.
2: Well before feeling any pain or discomfort.
3: As soon as they feel any pain or discomfort.
4: Early and often during descent.
(Ans- As soon as they feel any pain or discomfort.


All of the following are true except:
1: You can help prevent mask squeeze by exhaling periodically into your
mask during ascent.
2: Regular dental care and ensuring your teeth are free of gas spaces can
help prevent tooth squeeze.
3: If you experience a reverse block, descend to a point where the pain
subsides, then ascend slowly while wiggling your jaw and swallowing.
Repeat this process as needed until you can ascend without pain or
discomfort.
4: The danger in taking decongestants is that they may wear off during a
dive and have other possible side effects.
(Ans- You can help prevent mask squeeze by exhaling periodically into
your mask during ascent.


Any time you cannot inhale while scuba diving (such as when a regulator is
out of your mouth), you must be:
1: Holding your breath to conserve your remaining air.

,2: Exhaling.
3: Monitoring your depth to avoid accidental ascents while breath holding.
4: Both the first and third answers are correct.
(Ans- Exhaling.


Among the best ways to prevent decompression sickness (DCS):
1: Remain well within your dive computer's no-decompression limit.
2: Ascend no faster than the rate allowed by the dive computer.
3: Make a safety stop of between three and five minutes at a depth of 3-6
m/10-20 ft.
4: All of the above.
(Ans- All of the above.


Contributing factors to decompression sickness can include:
1: Rapid ascents.
2: 'Pushing" or exceeding your computer's no-decompression limits.
3: Heavy exertion and/or dehydration.
4: All of the above.
(Ans- All of the above.


If symptoms such as euphoria, anxiety or motor skill impairment make you
suspect you are suffering from narcosis, the best response is to:
1: Perform an Emergency Swimming Ascent (ESA).
2: Ascend to a depth at which the symptoms disappear.
3: Switch to your buddy's alternate air source.
4: None of the above.
(Ans- Ascend to a depth at which the symptoms disappear.

, What should you do if you suddenly feel ill and/or develop a headache
during a scuba dive?
1: Consult a physician as soon as possible.
2: End the dive and make a normal, slow ascent.
3: Ascend to a depth where the symptoms dissipate.
4: Both the first and third answers are correct.
(Ans- End the dive and make a normal, slow ascent.




A mask must cover the nose:
1: To prevent water from entering.
2: To ensure the best possible fit.
3: So that you can keep the pressure inside the mask equal to the pressure
outside.
4: Both the first and second answers are correct.
(Ans- So that you can keep the pressure inside the mask equal to the
pressure outside.


Among the limitations of full foot fins:
1: They are not well suited for colder-water diving.
2: There are no full-foot fins sufficiently powerful for use with scuba
equipment.
3: They are not well suited for entries from rocky shores.
4: Both the first and third answers are correct.
(Ans- Both the first and third answers are correct.
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