Beginner SCUBA certification test

when selecting a face mask, the most important things to consider are proper _____ & _____fit and seal
snorkels over 15 inches in length are not recommended primarily because they have too much _______________dead air space
when buying or renting equipment for diving, the most important consideration is the _____ on your bodyfit
diving equipment should be _____ thoroughly , _____ and _____ in a cool place.rinsed, dried, and stored
open heel fins are usually the fins of choice for scuba divers becauseyou can wear boots
weighing systems are used by the diver primarily to offset the __________ created by the wetsuitpositive buoyancy
sea water weighs _____ pounds per cubic foot64.1
the dive knife is used primarily as a _____ for digging, cutting, pounding, and pryingtool
the dive knife is primarily used as a tool for _____, _____, _____,& _____digging, cutting, pounding, and prying
snorkels over _____ in length are not recommended15 inches
diving equipment should be stored _______________in a cool place
because of refraction, objects underwater appear _____ & _____ when the diver is looking through his or her mask.larger and closer
because of _____, objects underwater look larger and closer when the diver is looking through his or her maskrefraction
sounds travels about _____ times faster in water than in air4
sounds travels about 4 times _____ in water than in airfaster
the first color lost in the spectrum upon descent during a dive is _____red
the _____ color lost in the spectrum upon descent during a dive is redfirst
when rinsing a regulator, it is best to leave it _______________, or leave the dust cap on.attached to the tank
when rinsing a regulator, it is best to leave it attached to the tank or have the _______________.dust cap closed
scuba tanks should always have some pressure in them to prevent _______________water from entering
scuba tanks should always have some _____ in them to prevent water from enteringpressure
according to the department of transportation regulations, scuba tanks must be hydrostatically tested every __________five years
scuba tanks should be __________ every 5 yearshydrostatically tested
the primary purpose of the exposure suits is to preserve _____ during divesheat
the _____ purpose of the exposure suits is to preserve heat during divesprimary
the primary purpose of _____ suits is to preserve heat during divesexposure
you should have your regulator serviced by a certified repair technician at least _____ per yearonce
you should have your _____ serviced by a certified repair technician at least once per yearregulator
the stage of the regulator which reduces tank pressure is the _____ stagefirst
the first stage of the regulator reduces __________tank pressure
two types of materials that scuba tanks are made from are _____ & _____aluminum and steel
stamped markings on scuba tanks include _______________, serial number, and type of tank.date of test
stamped marking on scuba tanks include date of test, __________, and type of tankserial number
stamped markings on scuba tanks include date of test, serial number, and _______________type of tank
atmospheric pressure at sea level is _____ pounds per square inch, or 1 atmosphere absolute14.7
atmospheric pressure at sea level is 14.7 pounds per inch or _______________1 atmosphere absolute
a sealed balloon filled with air that has volume of 6 cubic inches at 99 feet will have a volume of _____ cubic inches at 33 feet12
sea water weighs _____ pounds per cubic foot64.1
__________ weighs 64.1 pounds per cubic footsea water
the gas law best explains diving medical problems such as ear and sinus squeeze is __________boyle’s law
a diver’s body heat is lost through conduction (primarily) as a rate of approximately _____ times more rapidly than air25
a diver’s body heat is lost primarily through _____conduction
the type of pressure is defined as gauge (water) pressure plus atmospheric (air) pressure is _____ pressureabsolute
the absolute pressure in the ocean at 53 feet is _____ atmospheres absolute2.61
a depth that is equivalent to one atmosphere in the ocean is equal to _____ feet in sea water and _____ feet in fresh water33 34
two methods of measuring air pressure are BAR or ________________pounds per square inch
two methods of measuring air pressure are _____ or punds per square inch.BAR
pressure in the middle ear is equalized through a part of the body called the _____ tubeseustachian
a diver’s inability to equalize his/her ears during ascent could cause a _____ or a __________block, reverse block
pressure in the _____ ear is equalized through a part of the body called the eustachian tubesmiddle
an irregular breathing pattern (skip breathing) while diving will possibly cause __________ excesscarbon dioxide
generally, for maximum efficiency, your breathing should be slightly _____ & _____ than you normally breatheslower and deeper
to prevent air embolism, a diver should breathe _____ at all times during ascent, and never hold his or her breathnormally
to prevent air embolism, a diver should breathe normally at all times during ascent and never _______________hold their breath
a symptom of carbon monoxide poisoning is often a _____headache
appropriate first aide measures for an unconscious scuba diver should include consideration of drowning, _____, and decompression sickness.air embolism
appropriate first aide measures for an unconscious scuba diver should include consideration of _____, air embolism, and decompression sickness.drowning
appropriate first aide measures for an unconscious scuba diver should include consideration of drowning, air embolism, and __________.decompression sickness
air embolism, mediastinal and subcutaneous emphysema, and pneumothorax are pressure related injuries which are caused by _____ on compressed airbreathing
air embolism, mediastinal and subcutaneous emphysema, and pneumothorax are pressure related injuries which are caused by breathing on __________.compressed air
the most serious of the pressure related injuries is a(an) __________air embolism
an air embolism is best described as an __________ lodged in an arteryair bubble
a _____ is best described as an air bubble lodged in an arteryair embolism
a mediastinal emphysema is best described as air trapped around _____the heart
a __________ is best described as air trapped around the heartmediastinal emphysema
a subcutaneous emphysema is best described as air trapped under the _____ usually around the neckskin
a __________ is best described as air trapped under the skin, usually around the necksubcutaneous emphysema
a subcutaneous emphysema is best described as air trapped under the skin, usually around the _____neck
a pneumothorax is best described as a collapse of _____ tissuelung
a _____ is best described as a collapse of lung tissuepneumothorax
air embolism, pneumothorax, and both emphysemas can be caused by __________ while on compressed air.holding your breath
air embolism, pneumothorax, and both emphysemas can be caused by holding your breath while on __________compressed air
primary treatment for an air embolism is to lay victim down, treat for _____, give oxygen, and get to a recompression chambershock
primary treatment for an air embolism is to lay victim down, treat for shock, give _____, and get to a recompression chamberoxygen
primary treatment for an air embolism is to lay victim down, treat for shock, give oxygen, and get to a __________.recompression chamber
primary treatment for a mediastinal emphysema is to lay the victim down, treat for schock, give oxygen, and if in doubt, treat for _____.an air embolism
primary treatment for subcutaneous emphysema is watch, treat for shock, chamber _____, unless other indications require itnot required
primary treatment for pneumothorax is to lay the victim down, treat for shock, and _____ the trapped airrelease
basic symptoms of an air embolism are vision _____, breathing/circulatory problems,and bloody froth in the mouthblurring
basic symptoms of an air embolism are vision blurring, breathing/circulatory problems,and __________ in the mouthbloody froth
basic symptoms of mediastinal emphysema are pain in the center of the ____ and difficulty breathing.chest
basic symptoms of mediastinal emphysema are pain in the center of the chest, and __________difficulty breathing
basic symptoms of subcutaneous emphysema are change in _____, and crackling of the skin when touched.voice
basic symptoms of subcutaneous emphysema are change in voice, and crackling of _____ when touched.skin
basic symptoms of pneumothorax are pain on the _____ of the chest, cyanosis of lips, nails, and skin.side
if your dive buddy complains to you about having aching pain in his or her shoulder one hour after the dive, you might suspect _____ sickness.decompression
the point at which a sudden change in eater temperature occurs is a _____thermocline
currents which suddenly appear and disappear are _____rip currents
_____ is the underwater movement of water caused by wave action that you will experience when diving in areas close to shore.surge
the predictable daily rise and fall of the ocean at a single point is called _____tide
most surface waves are caused by the ____winds
examples of natural navigation aids divers use during diving include _____ in the sand, sun position, amount of light, and bottom landmarks.ripples
examples of natural navigation aids divers may use during dives include ripples in the sand, _____, amount of light, and bottom landmarkssun position
examples of natural navigation aids divers may use while diving include ripples in the sand, sun position, amount of light, and _____.bottom landmarks
almost all injuries from aquatic life are caused by _____ action on the part of the animal.defensive
the first aid for sea stings, such as those from jellyfish is the application of a sting __________neutralizing agent
to render first aid for venomous fish wounds, wash the wounds clean, _____ in hot water, and obtain medical attentionsoak
breathing dry air, scuba divers tend to become _____ while diving due to humidifying dry inhaled air.dehydrated
breathing dry air, scuba divers tend to become dehydrated while diving due to _____ dry inhaled airhumidifying
symptoms of nitrogen narcosis are similar to __________alcohol intoxication
to prevent seasickness you should settle yourself in the _____ point of the boatcenter
four main actions you should consider in giving first aid for diving accidents are maintain basic _____, call for help, treat for shock, and deliver 100% oxygen.life support
four main actions you should consider in giving first aid for diving accidents are maintain basic life support, _____, treat for shock, and deliver 100% oxygen.call for help
four main actions you should consider in giving first aid for diving accidents are maintain basic life support, call for help, ____, and deliver 100% oxygen.treat for shock
four main actions you should consider in giving first aid for diving accidents are maintain basic life support, call for help, treat for shock, and deliver _____.100% oxygen
the preferred action to take if you find yourself alone and out of air at 30 feet in open water is _______________.emergency swim ascent
if you are wearing an exposure suit, you should add air to your _____ to safely control buoyancy as you descend.bc vest
Physical factors that can make you incapable of sustaining the efforts sometimes demanded when participating in recreational diving are __________, recent head injury, and recent ingestion of alcohol.inadequate rest
Physical factors that can make you incapable of sustaining the efforts sometimes demanded when participating in recreational diving are inadequate rest, _________, and recent ingestion of alcohol.recent head injury
Physical factors that can make you incapable of sustaining the efforts sometimes demanded when participating in recreational diving are inadequate rest, recent head injury, and _______________.recent ingestion of alcohol
the __________ can most readily provide assistance to a diver.diver’s buddy
a diver experiencing panic should _____, rest, and breathe slowly and deeply until they recover.stop
a diver experiencing panic should stop, rest, and breathe _____ & _____ until they recover.slowly and deeply
the most effective way to descend while maintaining orientation and attempting equalization of the ears is _____ first.feet
continued loss of body heat in cold water will produce muscle _____, progressive weakness, and insensibility to pain.cramps
continued loss of body heat in cold water will produce muscle cramps, progressive _____, and insensibility to pain.weakness
continued loss of body heat in cold water will produce muscle cramps, progressive weakness, and insensibility to _____.pain
physical fitness is an important consideration for scuba divers because it helps to prevent diving accidents due to _____fatigue
to relieve cramps in the calf, bend the toe of the fin towards the _____, to stretch the muscle.knee
to relieve cramps in the calf, bend the toe of the fin towards the knee to stretch the _____muscle
a diver on the surface waving his or her hand overhead and thrashing violently indicates _____distress
when the pressure of nitrogen is balanced between the air and your body, you are at a state of _____equilibrium
if a divers surface air consumption rate is 25 psi per miniute, what would be the consumption rate at 66 feet of seawater?8.3 psi per minute
the ascent rate of _____ for diving is acceptable when using the NAUI dive tables30 feet per minute
a diver with a group letter of ‘F’ making a dive of 60 ft. has a residual nitrogen time of _____36 minutes
it is advisable that a sport diver _____ decompression divesavoids
for optimum no-decompression bottom times, plan repetitive dives so that each successive dive is to a _____ depthshallower
the maximum five time for a dive to 60 feet is _____ minutes55
the minimum surface interval required to avoid stage decompression after a dive to 88 ft for 18 minutes, followed by a dive to 78 ft for 23 minutes is __________3 hours and 25 minutes
according to naui, a repetitive dive is defined as more than one dive within a period of _____24 hours
the minimum surface interval recommended between two dives is _____10 minutes
your first dive is to 60 ft for 50 minutes. you spend one hour and 40 minutes on the surface, what is your adjusted maximum dive time at 60 ft?19 min
according to the naui dive tables to less than 40 feet are considered as _____ dives40 feet
the _____ line is the direction of travel line on the compasslubber
the _____ is a worldwide emergency network of hyperbaric chambers and diving physiciansDAN
it is recommended that a dive team diving from an anchored boat have trail line _____ long with a buoy at the end100 ft
it is recommended that a dive team diving from an anchored boat begin their dive _____ the prevailing currentwith
when planning and executing a dive, it is important for diving buddies to agree on a dive. true or false?true
the last thing to check before making a giant stride or any water entry is that area below is _____clear