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Quiz 1-A Question Menu. Question 1. Question 6. Question 2. Question 7. Question 3. Question 8. Question 4. Question 9. Question 5. Question 10. Return to Section Menu. Next Slide. Quiz 1-A Overview. Quiz 1 – A Question 1.

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1. Quiz 1-AQuestion Menu Question 1 Question 6 Question 2 Question 7 Question 3 Question 8 Question 4 Question 9 Question 5 Question 10 Return toSection Menu Next Slide Quiz 1-A Overview

2. Quiz 1 – A Question 1 • Something underwater that does not float and does not sink is: A. positively buoyant. B. negatively buoyant. C.neutrally buoyant. D. partially buoyant. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 1-A Question 1

3. Quiz 1 – A Question 2 • If an object is neutrally buoyant in salt water. What will probably happen to the object if you put it into fresh water? A. The object will sink. B. The object will float. C. The object will not sink or float. D. I cannot tell from the question. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 1-A Question 2

4. Quiz 1 – A Question 3 • Imagine a diver is 33 metres/99 feet underwater. The water pressure at this depth would be ______times more than the pressure at the surface. A. two B. three C.four D. five Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 1-A Question 3

5. Quiz 1 – A Question 4 • Imagine you hold a glass full of air upside down and you take it to the bottom of the swimming pool without tipping it. The density (thickness) ofthe air inside the glasswill be ____ atthe surface. A. less than B.greater than C. the same as D. less than or greater than Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 1-A Question 4

6. Quiz 1 – A Question 5 • What should you do if you cannot equalize (clear) your ears or sinuses while you are descending (going down)? A. Continue descending (going down), but go slower. B. Stop descending (going down) and try again to equalize (clear) by blowing harder. C.Stop and ascend (go up) a few metres/feet and try to equalize (clear) again. D. Surface and wait one minute before descending (going down) again. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 1-A Question 5

7. Quiz 1 – A Question 6 • What should you do to prevent masksqueeze (a sucking or pulling feeling on your face and eyes)? A. Make an ah-h-h-h sound. B. Pinch your nose and blow against it. C. Wiggle your jaw from side to side. D. Blow into your mask through your nose. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 1-A Question 6

8. Quiz 1 – A Question 7 • Imagine you put air into a balloon underwater at 10 metres/33 feet and then you take it to the surface. The air in the balloon will: A. stay the same size as it was at 10 metres/33 feet. B.expand to twice the size as it was at 10 metres/33 feet. C. expand to four times the size as it was at 10 metres/33 feet. D. expand to eight times the size as it was at 10 metres/33 feet. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 1-A Question 7

9. Quiz 1 – A Question 8 • What can happen to you if you hold your breath while ascending (going up) on a scuba dive? A.Your lungs can over expand which could cause serious injury. B. Your scuba equipment may not work properly. C. You might hurt your ears or sinuses. D. Nothing would happen to you. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 1-A Question 8

10. Quiz 1 – A Question 9 • What is the most important feature of a scuba regulator? A. How easy it is to take care of it. B.How easy it is to breathe from it. C. How much it costs. D. Whether the second stage has an adjustment knob or not. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 1-A Question 9

11. Quiz 1 – A Question 10 • Why is it important to practice the buddy system whenever you go diving? A. Diving is easier with a buddy. B. Diving is safer with a buddy. C. Diving is more fun with a buddy. D. All of the above. Return toQuestion Menu Next Quiz Previous Slide Prescriptive Quiz 1-A Question 10

12. Quiz 2 – A Question Menu Question 1 Question 6 Question 2 Question 7 Question 3 Question 8 Question 4 Question 9 Question 5 Question 10 Return toSection Menu Next Slide Previous Slide Quiz 2-A Overview

13. Quiz 2 – A Question 1 • When you look at things underwater they often seem ____ than when you look at them on the surface. A. farther away and smaller B.nearer and larger C. nearer and smaller D. farther away and larger Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 2-A Question 1

14. Quiz 2 – A Question 2 • Sound travels faster in water and it is difficult to tell: A. where the sound is coming from. B. how loud the sound is. C. what caused the sound. D. whether the sound is normal. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 2-A Question 2

15. Quiz 2 – A Question 3 • If you get cold while diving and you cannot stop shivering (shaking), what should you do? A. Try to warm up by swimming harder. B. Do not move your arms and legs to stay warm. C.Stop diving right away, get out of the water, and change into something warm. D. Try to save your body heat by moving slowly. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 2-A Question 3

16. Quiz 2 – A Question 4 • You want to move slowly and gradually underwater. Why? A. It is hard for you to swim fast against water. B. So you use less air. C. So you do not get tired. D.All of the above. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 2-A Question 4

17. Quiz 2 – A Question 5 • When breathing underwater while scuba diving, you should: A. use airway control. B. breathe continuously (breathe always, never hold your breath). C. breathe slowly and deeply. D.All of the above. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 2-A Question 5

18. Quiz 2 – A Question 6 • Proper fitting wet suits keep youwarm by: A. reducing the amount of water moving in and out of your suit. B. increasing the amount of water moving in and out of your suit. C. increasing blood flow to the skin. D. providing an insulating layer of air. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 2-A Question 6

19. Quiz 2 – A Question 7 • The most important feature of a weight system is: A. you can use it without your hands. B.you can remove the weight easily with one hand in an emergency. C. a design that keeps the weight from moving around during the dive. D. padding to protect you from accidental injury. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 2-A Question 7

20. Quiz 2 – A Question 8 • The best place for you to carry an alternate air source is: A. loose by your sideso you can find it fast. B. in your pocket. C. clipped to your tank. D. attached to the triangle area between your chin and your chest. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 2-A Question 8

21. Quiz 2 – A Question 9 • Waving your arms at the surface indicates that: A. you are trying to get your buddy to look at you. B. you want the dive boat to pick you up. C. you are okay! D. you need help! Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 2-A Question 9

22. Quiz 2 – A Question 10 • How can you maintain the buddy system on a scuba dive? A. Follow another buddy team with more experience. B. Use an underwater compass. C.Decide who will lead the dive, which side of the leader you will be on, and where you are going to go. D. Always stay on the left of the dive boat. Return toQuestion Menu Next Quiz Previous Slide Prescriptive Quiz 2-A Question 10

23. Quiz 3 – AQuestion Menu Question 1 Question 6 Question 2 Question 7 Question 3 Question 8 Question 4 Question 9 Question 5 Question 10 Return toSection Menu Next Slide Previous Slide Quiz 3-A Overview

24. Quiz 3 – A Question 1 • You should take a local area orientation dive whenever: A. you dive anywhere, even if you dived there before. B.you dive some place new. C. you dive without advanced training. D. you are not diving with an instructor. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 3-A Question 1

25. Quiz 3 – A Question 2 • How can you avoid vertigo (dizziness and confusion) on a dive? A. Close your eyes. B. Turn slowly while you look up. C.Ascend (go up) and descend (go down) along the bottom or a reference line. D. All of the above. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 3-A Question 2

26. Quiz 3 – A Question 3 • Underwater visibility (how far you can see horizontally) can be affected by: A. water movement. B. weather. C. suspended particles (floating silt) in the water. D.All of the above. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 3-A Question 3

27. Quiz 3 – A Question 4 • Imagine there is a mild current on your dive. You should begin your dive: A. swimming with the current pushing you along. B. swimming against or into the current. C. swimming across the current pushing you sideways. D. None of the above. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 3-A Question 4

28. Quiz 3 – A Question 5 • Most diver injuries caused by aquatic animals happen because: A. the animal thinks you are food. B. the animal is aggressive (like a bully). C.the animal is protecting itself from you. D. you did not feedthe animal. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 3-A Question 5

29. Quiz 3 – A Question 6 • You can prevent most surface emergencies (problems) by: A. diving only from boats. B. diving with a skilled buddy in a familiar place. C. using the best equipment made. D.reducing your physical effort and making yourself float. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 3-A Question 6

30. Quiz 3 – A Question 7 • What is the first thing you should do with an injured diver at the surface? A.Make the diver float and check to see if the diver is breathing. B. Get the diver out of the water. C. Find out what happened. D. Give the diver emergency oxygen. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 3-A Question 7

31. Quiz 3 – A Question 8 • Imagine you accidentally get tangled in something. What should you do first? A. Stop, think and slowly untangle yourself. B. Try to turn around and see where you are tangled. C. Ask your buddy to help untangle you. D. Take off your scuba unit. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 3-A Question 8

32. Quiz 3 – A Question 9 • Imagine you are very low on air and about to run out. What would you do? 5th - buoyant emergency ascent (dropping your weight system) 1st - normal ascent (going up normally) 6th - in the future you would look at your gauges more often so this would not happen 2nd - alternate air source ascent (using your buddy’s alternate air source) 4th - buddy breathing ascent (sharing a single source of air with your buddy) 3rd - controlled emergency swimming ascent (CESA - swimming up to the surface saying ah-h-h-h) Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 3-A Question 9

33. Quiz 3 – A Question 10 • After getting an unresponsive (unconscious or dazed) diver out of the water, you should keep checking for ____. A. uncontrollable shaking. B. panic (stress). C. breathing and pulse. D. water in the lungs. Return toQuestion Menu Next Quiz Previous Slide Prescriptive Quiz 3-A Question 10

34. Quiz 4 – AQuestion Menu Question 1 Question 6 Question 2 Question 7 Question 3 Question 8 Question 4 Question 9 Question 5 Question 10 Return toSection Menu Next Slide Previous Slide Quiz 4-A Overview

35. Quiz 4 – A Question 1 • Besides being required for diver training your log book is something that: A.gives you a record of your dive experience. B. is required by law in most countries. C. has no purpose except for your personal interest. D. is required to purchase diving equipment. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 4-A Question 1

36. Quiz 4 – A Question 2 • Diving with enriched air requires special training and procedures (rules). Using enriched air without proper training and procedures can cause: A. your dive computer to shut down. B. no real harm. C. bad air. D.oxygen toxicity (poisoning). Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 4-A Question 2

37. Quiz 4 – A Question 3 • Imagine you are an Advanced Open Water Diver. You begin to act foolishly at a depth of 30 metres/100 feet. What might you be experiencing? A. Decompression illness. B.Nitrogen narcosis. C. Decompression sickness. D. Oxygen toxicity (poisoning). Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 4-A Question 3

38. Quiz 4 – A Question 4 • Decompression sickness (DCS) is a condition that can be life threatening. What forms in the bloodstream and tissues that can cause this condition? A.Nitrogen bubbles. B. Poisons. C. Body waste. D. None of the above. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 4-A Question 4

39. Quiz 4 – A Question 5 • Pain in one area, weakness, tingling, numbness and not being able to move your arms or legs are common signs and symptoms of: A. not thinking clearly. B. oxygen poisoning. C. contaminated air (bad air). D. DCS -nitrogen bubbles blocking blood circulation/flow in your body after a dive. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 4-A Question 5

40. Quiz 4 – A Question 6 • When using the Recreational Dive Planner dive tables, you should ascend (go up) no faster than _____ per minute. A. 6 metres/20 feet B. 12 metres/40 feet C. 18 metres/60 feet D. 24 metres/80 feet Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 4-A Question 6

41. Quiz 4 – A Question 7 • The maximum depth for all recreational scuba divers, even experienced divers, is: A. 18 metres/60 feet. B. 30 metres/100 feet. C.40 metres/130 feet. D. 58 metres/190 feet. Return toQuestion Menu Next Slide Previous Slide Prescriptive Quiz 4-A Question 7

42. Quiz 4 – A Question 8 • Imagine you dive to a depth of 11 metres/39 feet and stay for 46 minutes. What would your pressure group (PG) be on your Recreational Dive Planner? A. J B. K C. P D. M Return toQuestion Menu Next Slide Previous Slide PrescriptiveTable PrescriptiveWheel Quiz 4-A Question 8

43. Quiz 4 – A Question 9 • Imagine you have made a dive and you have stayed on the surface for a while. After this surface interval your pressure group on the Recreational Dive Planner is K. What is the maximum amount of bottom time you can use doing a repetitive (second) dive to 17 metres/56 feet? A. 16 minutes B. 44 minutes C. 29 minutes D.26 minutes Return toQuestion Menu Next Slide Previous Slide PrescriptiveTable PrescriptiveWheel Quiz 4-A Question 9

44. Quiz 4 – A Question 10 • After a surface interval your pressure group on the Recreational Dive Planner is D. You want to do a repetitive (second) dive to 12 metres/38 feet for 32 minutes. What will be your new pressure group (PG) when you reach the surface? A.N B. P C. J D. G Return toQuestion Menu Previous Slide PrescriptiveTable PrescriptiveWheel Quiz 4-A Question 10

45. Quiz 1 – AQuestion 2 • Buoyancy - the weight of water volume displaced • The heavier the water - the greater the buoyancy for a given displacement • Salt water weighs more than fresh water • You’re more buoyant in salt water than in fresh • An object neutrally buoyantin salt water will sink if putinto fresh water Return toQuestion Quiz 1-A Question 2 - PLG

46. Quiz 1 – AQuestion 7 • In an open container - excess air bubbles out into the surrounding water during ascent • In a closed flexible container - the air is trapped and expands as you ascend • 10 m/33 ft. is 2 atmospheres • If you inflate a balloon at 10 m/33 ft. and take it to the surface, it will expand to twice the size as it was at 10 m/33 ft. Return toQuestion Quiz 1-A Question 7 - PLG

47. Quiz 1 – AQuestion 9 • The first stage reduces the high tank pressure to an intermediate pressure - (7-10 bar/100 to 150 psi) above surrounding water pressure • The second stage reduces this intermediate pressure to the water pressure surrounding you • Easy breathing is the mostimportant feature when selectinga regulator Return toQuestion Quiz 1-A Question 9 - PLG

48. Quiz 1 – A Question 10 • All good buddies work together by: • Agreeing on entry, exit points and dive objective • Agreeing upon time and depth limits • Establishing and reviewing communications • Discussing how to stay together – what to do if separated • Discussing emergency procedures • Convenience, safety and fun Return toQuestion Quiz 1-A Question 10 - PLG

49. Quiz 2 – AQuestion 6 • Wet suits reduce heat loss - a layer of insulating foam neoprene over your skin • Wet suits need to have a snug fit • Your body quickly heats the water – as longas water remains trapped in the suit youstay warm • If water circulates in and out of your suit – you lose a lot of heat toincoming cold water Return toQuestion Quiz 2-A Question 6 - PLG

50. Quiz 2 – AQuestion 9 • You may need to communicate with someone on shore or on a boat while you are at the surface • Use slow and exaggerated movements • Waving your arms at the surface means “HELP!” • To signal you need assistance at the surface wave your arms or use an inflatable signal tube that alert boats to your presence at the surface. Return toQuestion Quiz 2-A Question 9 - PLG

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