NAUI Final Exam Course|| 80 QUESTIONS|| CORRECT ANSWERS||, Exams of Sport Studies

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NAUI Final Exam Course|| 80 QUESTIONS|| CORRECT ANSWERS|| Symptoms of Nitrogen Narcosis are similar to: - ANSWER Alcohol intoxication To relieve a cramp in the calf: - ANSWER Bend the toe of the fin toward the knee to stretch the muscle Which of the following will help to prevent seasickness? - ANSWER Settle yourself in a midway point of the boat Two types of materials that scuba tanks are made from are steel and _________. - ANSWER aluminum Almost all injuries from aquatic life are caused by _____ action on the part of the animal. - ANSWER defensive If you receive your entry level training in a tropical environment and then move or travel to a northern environment, the best way of becoming familiar with the diving procedures specific to a new locale is to... - ANSWER Contact an active, preferably NAUI, Dive Master or Instructor to orient you to the new locale A diver with blood and mucous in his/her mask upon surfacing will most likely have: - ANSWER Sinus squeeze If it is suspected that the air in a tank is contaminated due to its smell or taste: - ANSWER Do not use the tank and immediately call the dive shop that filled the tank so they can investigate the problem Sound travels about _________ times faster in water than in air. - ANSWER 4 What type of pressure is defined as gauge (water) pressure plus atmospheric (air) pressure? - ANSWER Absolute The following rate of ascent for diving is acceptable when using the NAUI dive tables: - ANSWER 9 meters/ 30 feet per minute A diver experiencing panic should: - ANSWER Stop, rest and breathe slowly and deeply until you recover Pressure in the middle ear is equalized through a part of the body called the: - ANSWER Eustachian tube The first color lost in the spectrum upon descent during a dive is _____. - ANSWER red Which is the most effective way to descend while maintaining orientation and attempting equalization of the ears? - ANSWER Feet first The minimum surface interval required to avoid decompression after a dive to 88 ft for 18 minutes, followed by a dive to 78 ft for 23 minutes is... - ANSWER 4 hr, 49 minutes When planning and executing a dive, it is important for diving buddies to: - ANSWER Agree on a dive leader Which of the following is the point at which a sudden change in water temperature occurs? - ANSWER A thermocline According to NAUI, a repetitive dive is defined as more than one dive within a period of _________ hours. - ANSWER 24 Appropriate first aid measures for an unconscious scuba diver should include consideration of: - ANSWER Drowning, air embolism and decompression sickness Which of the following most readily provides assistance to a diver? - ANSWER The diving buddy Open heel fins are usually the fins of choice for scuba divers because: - ANSWER They may be used in a wide variety of environmental conditions When buying or renting equipment for diving, the most important consideration is: - ANSWER Its fit on your body According to the NAUI dive tables dives to less than 6m (20 feet): - ANSWER Are considered as 6m (20 foot) dives The predictable daily rise and fall of the ocean at a single point is called: - ANSWER The tide A diver with a group letter of "F" making a dive to 60 ft has a residual nitrogen time of: - ANSWER 35 minutes You should have your regulator serviced by a certified repair technician: - ANSWER As recommended by the manufacturer A diver on the surface waving his/her hand overhead and thrashing violently indicates: - ANSWER Distress For optimum no-decompression bottom times, plan repetitive dives so that each successive dive is to _________ depth - ANSWER a shallower Which gas law best explains diving medical problems such as ear and sinus squeeze? - ANSWER Boyle's law Which of the following limits should be established prior to every scuba dive? - ANSWER Maximum bottom time, maximum depth, minimum air pressure When rinsing a regulator it is best to: - ANSWER Leave the regulator attached to the tank or have the dust cap in place It is recommended that a dive team diving from an anchored boat have: - ANSWER a trail line 30 meters long with a buoy at the end When the pressure of nitrogen is balanced between the air and your body, you are at a state of _______________. - ANSWER equilibrium When conducting a buoyancy check, neutral buoyancy or proper weighting is attained when, with a normal breath, you float at or near: - ANSWER Eye level A buddy team in a NAUI Master Scuba Diver Course makes an ocean dive to 95 feet for 20 minutes. After a surface interval of 2 hours and 35 minutes, they make a repetitive dive to 70 feet for 15 minutes. They remain on the surface for 2 hours and 51 minutes before diving to 45 feet. What is their adjusted maximum dive time for the third dive? - ANSWER 33 minutes Most surface waves are caused by: - ANSWER Wind Scuba tanks should always have some pressure in them to prevent: - ANSWER Moisture from entering Currents that suddenly appear and disappear are [ ] and [ ] is the underwater movement of water caused by wave action that you will experience when diving in areas close to shore. - ANSWER transitory, surge A depth that is equivalent to one atmosphere in the ocean is equal to _________ in sea water and ________in fresh water. - ANSWER 10m (33 feet) ; 10.4m (34 feet) Snorkels over 15 inches in length are not recommended primarily because: - ANSWER They have too much dead air space The last thing to check before making a giant stride or any water entry is that: - ANSWER Area below is clear ______ is a worldwide emergency network of hyperbaric chambers and diving physicians. - ANSWER Divers Alert Network (DAN) A sealed balloon filled with air that has a volume of 6 cubic inches at 99 feet will have a volume of _____ cubic inches at 33 feet. - ANSWER 12 When selecting a face mask, the most important thing to consider is: - ANSWER Proper seal and fit Sea water weighs _____ kilograms per liter or _____pounds per cubic foot. - ANSWER 1.025 / 64.0 If your dive buddy complains to you about having aching pain in his/her shoulder one hour after the dive, you might suspect: - ANSWER Decompression sickness Breathing dry air, a scuba diver tends to become dehydrated while diving due to: - ANSWER Moisturizing dry inhaled air It is advisable that a sport/recreational diver: - ANSWER Avoid the decompression dives A symptom of carbon monoxide poisoning is often: - ANSWER Headache Four main actions you should consider in giving first aid for diving accidents are: - ANSWER Maintain basic life support, call for help, treat for shock, deliver 100% oxygen Diving equipment should be: - ANSWER Rinsed thoroughly, dried and stored in a cool place If during a dive you and your buddy become separated, you should: - ANSWER Spend no more than one minute looking then surface If you are diving wearing an exposure suit, you should _____ to safely control buoyancy as you descend. - ANSWER add air to your buoyancy device Which of the following physical factors can make you incapable of sustaining the efforts sometimes demanded when participating in recreational diving? - ANSWER Inadequate sleep, A recent head cold, Recent ingestion of drugs (medicine, alcohol, narcotics) It is recommended that a dive team diving from an anchored boat begin their dive: - ANSWER against the prevailing current