Scuba Diving Safety and Procedures, Exams of Sport Studies

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NAUI Exam(LATEST UPDATE 2024)CORRECT The Tide - ANSWER The predictable daily rise and fall of the ocean at a single point A block or reverse block - ANSWER A divers inability to equalize his/her ears during ascent could cause A shallower - ANSWER For optimum no decompression bottom times plan repetitive dives so that each successive dive is to ____ depth 24 hrs - ANSWER According to NAUI a repetitive dive is defined as more than one dive in ____ hours 30 ft per minute - ANSWER The following rate of ascent for diving is acceptable when using the NAUI dive tables absolute - ANSWER What type of pressure is defined as gauge (water) pressure plus atmospheric (air) pressure Thermocline - ANSWER the point at which a sudden change in water temperature occurs the area below is clear - ANSWER the last thing to check before making a giant or any water entry is that the proper seal and fit - ANSWER when selecting a face mask the most important thing to consider is Boyle's Law - ANSWER which gas law best explains diving medical problems such as ear and sinus squeeze 35 minutes - ANSWER a diver with a group letter of "f" making a dive to 60 ft has a residual nitrogen time of do not use the tank and immediately call the dive shop that filled the tank so they can investigate - ANSWER if it is suspected that the air in a tank is contaminated due to smell or taste... leave the regulator attached to the tank or have the dust cap in place - ANSWER when rinsing a regulator it is best to Divers Alert Network (DAN) - ANSWER ____ is a worldwide emergency network of hyperbaric chambers and diving physicians eustachian tube - ANSWER pressure in the middle ear is equalized through a part of the body called the stop, rest and breathe slowly and deeply until you recover - ANSWER a diver experiencing panic should emergency swimming ascent - ANSWER the preferred action to tale if you find yourself alone and out of air at 30 ft in open water is greasy foods settle yourself in a midway point of the boat do not look at the horizon settle yourself in the boats heat (bathroom) - ANSWER which of the following will help prevent sea sickness moisture from entering - ANSWER scuba tanks should always have some pressure in them to prevent 1.025 / 64.0 - ANSWER sea water weighs ____ kg per liter or ____ pounds per cubic foot are considered 20 ft dives - ANSWER according to the NAUI dive tables dives to less than 20 feet defensive - ANSWER almost all injuries from aquatic life are caused by ___ action on the part of the animal exhaustion - ANSWER physical fitness is an important consideration for scuba divers bc it helps to prevent diving accidents due to slightly slower and deeper than you normally breathe - ANSWER a regular breathing pattern while diving is date of hydrostatic test, serial number, type of material - ANSWER engraved markings on scuba tanks include 12 - ANSWER a sealed balloon filled with air that has a volume of 6 cubic inches at 99 ft will have a volume of ____ cubic inches at 33 ft maintain basic life support, call for help, treat for shock, deliver 100% oxygen - ANSWER 4 main actions you should consider in giving first aid for diving accidents are Alcohol Intoxication - ANSWER symptoms of nitrogen narcosis are similar to Sinus squeeze - ANSWER a diver with blood and mucous in his/her mask upon surfacing will most likely have they may be used in a wide variety of environmental conditions - ANSWER open heel fins are usually the fins of choice for scuba divers because headache - ANSWER a symptom of carbon monoxide poisoning is often Preserve body heat during dives - ANSWER the primary purpose of the exposure suit is to As recommended by manufacturer - ANSWER you should have your regulator serviced by a certified repair technician breathe normally at all times during ascent and never hold his/her breath - ANSWER to prevent air embolism a diver should 60 - ANSWER the minimum surface interval time (SIT) recommended between two dives is ____ minutes 10m (33 ft) / 10.4m (34 ft) - ANSWER a depth that is equal to one atmosphere in the ocean is equal to ____ in sea water and ____ in fresh water 4 hrs 49 mins - ANSWER the minimum surface interval required to avoid decompression after a dive to 88ft for 18 mins, followed by a dive to 78ft for 23 mins is 4 mins - ANSWER your first dive is 60ft for 50 mins. You spend 1 hour and 40 mins on the surface, what is your adjusted maximum dive time at 60 ft bend the toe of the fin toward the knee to stretch the muscle - ANSWER to relieve a cramp in the calf underwater contact an active NAUI dive master or instructor to orient you to the new locale - ANSWER if you receive your entry level training in a tropical environment 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 transitory - ANSWER currents that suddenly appear and disappear are surge - ANSWER the underwater movement of water caused by wave action that you will experience when diving in areas close to shore carbon dioxide excess - ANSWER an irregular breathing pattern (skip breathing) while diving will possibly cause 2.6 atmospheres absolute - ANSWER the absolute pressure in the ocean at 16 meters (53ft) is drowning, air embolism, and decompression sickness - ANSWER appropriate first aid measures for an unconscious scuba diver should include consideration of decompression sickness - ANSWER if your dive buddy complains to you about having an aching pain in his/her shoulder one hour after the dive you might suspect Learn - ANSWER Your entry level NAUI scuba license is a license to ____ length and diameter - ANSWER Factors that can affect breathing out of a snorkel are True - ANSWER Hydrostatic and visual inspections standards are different around the world true or false dive computer - ANSWER A ____ calculates your remaining allowable bottom time while diving Elapsed time - ANSWER A diving watch must be able to withstand pressure and measure ___ Rinse them in fresh water at the end of every diving day Have them inspected and serviced by a qualified technician Do not subject them to extreme temperature changes - ANSWER Proper Matience of gear includes BCs - ANSWER The three main types of __ are back floatation, jacket and horse collar Power inflation mechanism overpressure relief valve inflator/deflator hose - ANSWER Essential features that are found on all BCs are Compensating weight belt - ANSWER A ___ compensates for the compression of a wet suit as you descend underwater Quick release - ANSWER The most important feature of the weight belt is True - ANSWER When you assemble your scuba unit the outlet from the cylinder should be pointing toward the divers head true or false As a team - ANSWER You and your dive buddy should don your scuba units ____ It is clear to be ditched if necessary - ANSWER When donning a weight belt ensure that____ False - ANSWER A scuba cylinder is turned on when you turn it in a clockwise direction true or false Giant stride - ANSWER If the distance to the water is great use the ___ entry Back roll - ANSWER If you are entering the water from a small boat use the ___ entry Seated slide - ANSWER If you are able to sit at the edge of the water use the ___ entry To enter the water with minimal effort - ANSWER The objective of an entry is Backward - ANSWER When you clear a mask without a purge valve you tilt your head ___ Forward - ANSWER When you clear your mask with the use of a purge valve you tilt your head ___ 5 minutes - ANSWER You should check your submersible pressure gauge every ____ and shallow water and even more often in deeper water True - ANSWER Whenever the regulator is not in your mouth underwater you should blow out a stream of bubbles True or false Blast or purge - ANSWER How to clear scuba regulator Deeper - ANSWER Emergency buoyant ascent is done in ___ waters, then you release the weight belt & exhale all the way to the surface Side by side - ANSWER You should dive ___ with your buddy Distress - ANSWER Waiving on the surface is a sign of ___ You're a positively buoyant at the surface and negatively buoyant at the bottom - ANSWER When donning your cylinder underwater and end up of water the primary difference is The boat you are using to be too small to allow equipment handling An item of gear needs to be adjusted if your scuba equipment gets caught in fishing line - ANSWER You may need to Don or remove your equipment in the water because 180 degree - ANSWER Reciprocal course is made when your outbound course is a straight line and Halfway through the dive you make a ___ turn Decrease - ANSWER During decent a divers buoyancy tends to False - ANSWER Your body weight does not affect your buoyancy True or false tissue emphysema - ANSWER The three types of general injuries resulting from lung over expansion are air embolism, Pneumothorax and ____ True - ANSWER If the temperature rises surrounding a ridged gas container, the pressure increases True or false surface tension - ANSWER You can prevent a mask from fogging under the water by lowering the ___ of the water Humidity - ANSWER Amount of water vapor in the air is known as True - ANSWER If you dive more than 20 ft then ascend then the pressure change may be sufficient for bubbles to form if you have absorbed enough nitrogen true or false True - ANSWER Specific rules for each dive table are found on the back of each dive table true or false True - ANSWER For any given dive you will use one of the RGBM tables but it is essential that you know and use the correct table true or false True - ANSWER The NAUI RGBM tables are for both air and nitrox and can be used up to 10,000 ft in elevation above sea level true or false