1 Star Diver Exam

Choose the correct option

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1. Several techniques exist for entering into the water these have always been developed with the safety of the ___________ as a primary consideration.
2. Descending and ascending through the bubbles discharged by another diver below, can cause dizziness, try not to look at the bubbles.
3. Before a dive it is good to carry out a thorough check with your buddy, helping him/her to prepare and put on the equipment before entering the water.
4. A floating buoy marks the presence of divers underwater. In some countries dive law requires ______________ flag known as an “A FLAG”
5. If you ascend too quickly the nitrogen is cannot be released quickly enough thus contributing to the formation of bubbles in the divers __________
6. The air that we breathe is composed of a mixture of gases, for simplicity let’s say that is made up mainly of________________________
7. underwater the objects appear _____________by about 1/3, water also absorbs light, an effect that increases with wather depth.
8. The function of the respiratory organs is to supply the body with the gasses surrounding it; this is done by its absorption into the blood through the ____________
9. The pressure of the cylinder must be checked by taking 1 breaths from each regulator whilst watching the contents gauge.
10. During a dive careful attention needs to be paid to controlling the buoyancy, which should be_______________
11. The only effective treatment for air embolism syndrome is immediate recompression in a hyperbaric chamber and the administration of large quantity of __________ to make the blood more fluid and so reduce the risks of obstruction by the bubbles.
12. You plan a dive at 23 metres for 23 minutes. What is the corresponding dive letter group when you finsh the dive?
13. At a depth of 27 metres, the pressure inside the lungs will be the equivalent of the ambient pressure:
14. Underwater sounds are transmitted ______________ because water has a greater density than air.
15. You plan a dive at 29 metres for 22 minutes. What is the corresponding dive letter group when you finsh the dive?
16. The test of cylinder consists of checking inside and outside for corrosion and pressure resistance test using pressure of ________ higher than in normal use
17. The most serious consequence of pulmonary overdistension is the passing of ________ bubbles from the alveoli into the blood stream and is commonly known as air embolism syndrome.
18. For the assembly of regulator there are two types of fitting: INT with five or seven thread female and DIN with a yoke (A clamp).
19. Wet suits are generally made of silicone, of different thickness (from 1.5 to 8 mm), lined on the inside and outside with special cloth that make them more comfortable.
20. Together with the main regulator it is advisable to have an alternative source of air in order to have a safer diving.
21. At the end of the a first dive the letter group is E. Now, wanting to plan a second dive, after a break on the surface of 3 hours and 29 minutes. What is the new dive letter group after the time on the surface?
22. A personal dive computer can calculate the exact saturation state of our tissue
23. Depth gauge is an instrument that measures the depth before a dive.
24. After commencing final descent check your buddies kit for any air leaks.
25. At the end of the a first dive the letter group is F. Now, wanting to plan a second dive, after a break on the surface of 3 hours and 29 minutes. What is the new dive letter group after the time on the surface?
26. It is advisable to ________________ before entering the water.
27. The speed at which sound travels through water makes it difficult for his senses to judge _______________
28. At the end of the a first dive the letter group is H. Now, wanting to plan a second dive, after a break on the surface of 3 hours and 29 minutes. What is the new dive letter group after the time on the surface?
29. When diving without reference points and in reduced visibility, the _______________ supplies the diver with information of the route and helps with the return to the starting point.
30. The BCD is used to_____________________
31. After a time on the surface the new dive letter group is B. Now wanting to plan a second dive in this case 14 metres for 25 minutes. What is the new dive letter group at the end of the dive?
32. On dive tables the time and depth of the dive are correlated.
33. The function of the cardio-circolatory system is to transport and distribute oxygen and to remove residues and _____________
34. If we want to dive, ________________________, the B.C.D. must be deflated by using the exhaust valve.
35. Normally, ____________ breath is preceded by an increase in the breathing rate.
36. A divelog well kept is a document that shows the divers experience but is of much less value than a certificate.
37. In the case of loss of regulator it is necessary to ascent and continue to
38. Hypoxia refers to the situation in which the amount of oxygen required by the cell is less than that available to the body
39. The regulator enables the diver to breathe underwater. This part the equipment allows _________________.
40. our body contains cavities filled with gas that subjected with pressure are compensated for in two ways:
41. The pressure gauge must have a safety valve that will blow after the glass.
42. While you dive, in order to evaluate the hydrostatic equilibrium, is important to consider the relation between volume and weight of:
43. Nitrogen narcosis effects different divers differently depending on the ___________________
44. All the divers should have at least a basic understanding of first aid and O2 administration.
45. Every time we make a movement we use energy which asks more of our body, requiring a change in the ___________ in order to satisfy this new demand.
46. The BCD is also equipped with four or more valves to avoid the risks of over inflating it.
47. The cylinder is the container that allows the diver to carry a reserve of breathable ______________ underwater.
48. Always have a keeper on _________________ side of the weightbelt from the buckle.
49. By wearing a mask, an air space is placed between the diver’s eyes and the water so the objects can be_______________________
50. The “Octopus” It is fixed to _____________________ of the first stage through a hose than the normal one.


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