NAUI ELEARNING OPEN WATER SCUBA
DIVER FINAL TEST QUESTIONS AND
CORRECT VERIFIED ANSWERS
SymptomsA2ofA2NitrogenA2NarcosisA2areA2similarA2to:A2-A2Ans--alcoholA2intoxication
theA2stageA2ofA2theA2regulatorA2whichA2reducesA2workingA2tankA2pressureA2toA2intermediat
eA2pressureA2is:A2-A2Ans--theA2firstA2stage
whenA2theA2pressureA2ofA2nitrogenA2isA2balancedA2betweenA2theA2airA2andA2yourA2body,A2
youA2areA2atA2aA2stateA2ofA2-A2Ans--equilibrium
OpenA2heelA2finsA2areA2usuallyA2theA2finsA2ofA2choiceA2forA2scubaA2diversA2because:A2-
A2Ans--theyA2mayA2beA2usedA2inA2aA2wideA2varietyA2ofA2environmentalA2conditions
TheA2lastA2thingA2toA2checkA2beforeA2makingA2aA2giantA2strideA2orA2anyA2waterA2entryA2isA2t
hat:A2-A2Ans--areaA2belowA2isA2clear
EngravedA2markingsA2onA2scubaA2tanksA2include:A2-A2Ans--
DateA2ofA2hydrostaticA2test,A2serialA2number,A2typeA2ofA2material
AA2diver'sA2bodyA2heatA2isA2lostA2throughA2conductionA2(primarily)A2atA2aA2rateA2ofA2approx
imatelyA2_________A2timesA2moreA2rapidlyA2thanA2inA2air.A2-A2Ans--25
whenA2conductingA2aA2buoyancyA2check,A2neutralA2buoyancyA2orA2properA2weightingA2isA2
attainedA2when,A2withA2aA2normalA2breath,A2youA2floatA2atA2orA2nearA2-A2Ans--eyeA2level
soundA2travelsA2about_______A2timesA2fasterA2inA2waterA2thanA2inA2airA2-A2Ans--4
aA2regularA2breathingA2patternA2whileA2divingA2wouldA2beA2-A2Ans--
slightlyA2slowerA2andA2deeperA2thanA2youA2normallyA2breathe
IfA2aA2diver'sA2surfaceA2airA2consumptionA2rateA2isA21.72barA2(25A2psi)A2perA2minute,A2wha
tA2wouldA2beA2theA2consumptionA2rateA2atA220A2metersA2(66A2feet)A2ofA2seawater?A2-
A2Ans--5.16A2barA2perA2minuteA2(75A2psiA2perA2minute)
appropriateA2firstA2aidA2measuresA2forA2anA2unconsciousA2scubaA2diverA2shouldA2includeA
2considerationA2ofA2-A2Ans--drowning,A2airA2embolism,A2andA2decompressionA2sickness
weightingA2systemsA2areA2usedA2byA2theA2diverA2primarilyA2toA2-A2Ans--
offsetA2theA2positiveA2buoyancyA2createdA2byA2theA2wetA2suit
, FourA2mainA2actionsA2youA2shouldA2considerA2inA2givingA2firstA2aidA2forA2divingA2accidents
A2are:A2-A2Ans--
maintainA2basicA2lifeA2support,A2callA2forA2help,A2treatA2forA2shock,A2deliverA2100%A2oxyge
n
ScubaA2tanksA2shouldA2alwaysA2haveA2someA2pressureA2inA2themA2toA2prevent:A2-A2Ans--
moistureA2fromA2entering
TheA2followingA2rateA2ofA2ascentA2forA2divingA2isA2acceptableA2whenA2usingA2theA2NAUIA2d
iveA2tables:A2-A2Ans--30A2feetA2perA2minute
DivingA2equipmentA2shouldA2beA2-A2Ans--
rinsedA2thoroughly,A2driedA2andA2storedA2inA2aA2coolA2place
theA2______A2lineA2isA2theA2directionA2ofA2travelA2lineA2onA2theA2compassA2-A2Ans--lubber
whichA2ofA2theA2followingA2mostA2readilyA2providesA2assistanceA2toA2aA2diverA2-A2Ans--
theA2divingA2buddy
examplesA2ofA2naturalA2navigationA2aidsA2diversA2mayA2useA2duringA2divesA2includeA2-
A2Ans--allA2ofA2theA2above/
following;A2rippleA2marksA2inA2theA2sand,A2sunA2brightness,A2andA2bottomA2contours
IfA2itA2isA2suspectedA2thatA2theA2airA2inA2aA2tankA2isA2contaminatedA2dueA2toA2itsA2smellA2orA
2taste:A2-A2Ans--
doA2notA2useA2theA2tankA2andA2immediatelyA2callA2theA2diveA2shopA2thatA2filledA2theA2tankA2
soA2theyA2canA2investigateA2theA2problem
WhichA2ofA2theA2followingA2physicalA2factorsA2canA2makeA2youA2incapableA2ofA2sustaining
A2theA2effortsA2sometimesA2demandedA2whenA2participatingA2inA2recreationalA2divingA2-
A2Ans--allA2ofA2theA2above/
following;A2inadequateA2sleep,A2aA2recentA2headA2coldA2andA2recentA2ingestionA2ofA2drugs
A2(medicine,A2alcohol,A2narcotics)
PhysicalA2fitnessA2isA2anA2importantA2considerationA2forA2scubaA2diversA2becauseA2itA2hel
psA2toA2preventA2divingA2accidentsA2dueA2toA2-A2Ans--exhaustion
whichA2isA2theA2mostA2effectiveA2wayA2toA2descendA2whileA2maintainingA2orientationA2andA
2attemptingA2equalizationA2ofA2theA2earsA2-A2Ans--feetA2first
youA2shouldA2haveA2yourA2regulatorA2servicedA2byA2aA2certifiedA2repairA2technicianA2-
A2Ans--asA2recommendedA2byA2theA2manufacturer
AA2symptomA2ofA2carbonA2monoxideA2poisoningA2isA2often:A2-A2Ans--headache
DIVER FINAL TEST QUESTIONS AND
CORRECT VERIFIED ANSWERS
SymptomsA2ofA2NitrogenA2NarcosisA2areA2similarA2to:A2-A2Ans--alcoholA2intoxication
theA2stageA2ofA2theA2regulatorA2whichA2reducesA2workingA2tankA2pressureA2toA2intermediat
eA2pressureA2is:A2-A2Ans--theA2firstA2stage
whenA2theA2pressureA2ofA2nitrogenA2isA2balancedA2betweenA2theA2airA2andA2yourA2body,A2
youA2areA2atA2aA2stateA2ofA2-A2Ans--equilibrium
OpenA2heelA2finsA2areA2usuallyA2theA2finsA2ofA2choiceA2forA2scubaA2diversA2because:A2-
A2Ans--theyA2mayA2beA2usedA2inA2aA2wideA2varietyA2ofA2environmentalA2conditions
TheA2lastA2thingA2toA2checkA2beforeA2makingA2aA2giantA2strideA2orA2anyA2waterA2entryA2isA2t
hat:A2-A2Ans--areaA2belowA2isA2clear
EngravedA2markingsA2onA2scubaA2tanksA2include:A2-A2Ans--
DateA2ofA2hydrostaticA2test,A2serialA2number,A2typeA2ofA2material
AA2diver'sA2bodyA2heatA2isA2lostA2throughA2conductionA2(primarily)A2atA2aA2rateA2ofA2approx
imatelyA2_________A2timesA2moreA2rapidlyA2thanA2inA2air.A2-A2Ans--25
whenA2conductingA2aA2buoyancyA2check,A2neutralA2buoyancyA2orA2properA2weightingA2isA2
attainedA2when,A2withA2aA2normalA2breath,A2youA2floatA2atA2orA2nearA2-A2Ans--eyeA2level
soundA2travelsA2about_______A2timesA2fasterA2inA2waterA2thanA2inA2airA2-A2Ans--4
aA2regularA2breathingA2patternA2whileA2divingA2wouldA2beA2-A2Ans--
slightlyA2slowerA2andA2deeperA2thanA2youA2normallyA2breathe
IfA2aA2diver'sA2surfaceA2airA2consumptionA2rateA2isA21.72barA2(25A2psi)A2perA2minute,A2wha
tA2wouldA2beA2theA2consumptionA2rateA2atA220A2metersA2(66A2feet)A2ofA2seawater?A2-
A2Ans--5.16A2barA2perA2minuteA2(75A2psiA2perA2minute)
appropriateA2firstA2aidA2measuresA2forA2anA2unconsciousA2scubaA2diverA2shouldA2includeA
2considerationA2ofA2-A2Ans--drowning,A2airA2embolism,A2andA2decompressionA2sickness
weightingA2systemsA2areA2usedA2byA2theA2diverA2primarilyA2toA2-A2Ans--
offsetA2theA2positiveA2buoyancyA2createdA2byA2theA2wetA2suit
, FourA2mainA2actionsA2youA2shouldA2considerA2inA2givingA2firstA2aidA2forA2divingA2accidents
A2are:A2-A2Ans--
maintainA2basicA2lifeA2support,A2callA2forA2help,A2treatA2forA2shock,A2deliverA2100%A2oxyge
n
ScubaA2tanksA2shouldA2alwaysA2haveA2someA2pressureA2inA2themA2toA2prevent:A2-A2Ans--
moistureA2fromA2entering
TheA2followingA2rateA2ofA2ascentA2forA2divingA2isA2acceptableA2whenA2usingA2theA2NAUIA2d
iveA2tables:A2-A2Ans--30A2feetA2perA2minute
DivingA2equipmentA2shouldA2beA2-A2Ans--
rinsedA2thoroughly,A2driedA2andA2storedA2inA2aA2coolA2place
theA2______A2lineA2isA2theA2directionA2ofA2travelA2lineA2onA2theA2compassA2-A2Ans--lubber
whichA2ofA2theA2followingA2mostA2readilyA2providesA2assistanceA2toA2aA2diverA2-A2Ans--
theA2divingA2buddy
examplesA2ofA2naturalA2navigationA2aidsA2diversA2mayA2useA2duringA2divesA2includeA2-
A2Ans--allA2ofA2theA2above/
following;A2rippleA2marksA2inA2theA2sand,A2sunA2brightness,A2andA2bottomA2contours
IfA2itA2isA2suspectedA2thatA2theA2airA2inA2aA2tankA2isA2contaminatedA2dueA2toA2itsA2smellA2orA
2taste:A2-A2Ans--
doA2notA2useA2theA2tankA2andA2immediatelyA2callA2theA2diveA2shopA2thatA2filledA2theA2tankA2
soA2theyA2canA2investigateA2theA2problem
WhichA2ofA2theA2followingA2physicalA2factorsA2canA2makeA2youA2incapableA2ofA2sustaining
A2theA2effortsA2sometimesA2demandedA2whenA2participatingA2inA2recreationalA2divingA2-
A2Ans--allA2ofA2theA2above/
following;A2inadequateA2sleep,A2aA2recentA2headA2coldA2andA2recentA2ingestionA2ofA2drugs
A2(medicine,A2alcohol,A2narcotics)
PhysicalA2fitnessA2isA2anA2importantA2considerationA2forA2scubaA2diversA2becauseA2itA2hel
psA2toA2preventA2divingA2accidentsA2dueA2toA2-A2Ans--exhaustion
whichA2isA2theA2mostA2effectiveA2wayA2toA2descendA2whileA2maintainingA2orientationA2andA
2attemptingA2equalizationA2ofA2theA2earsA2-A2Ans--feetA2first
youA2shouldA2haveA2yourA2regulatorA2servicedA2byA2aA2certifiedA2repairA2technicianA2-
A2Ans--asA2recommendedA2byA2theA2manufacturer
AA2symptomA2ofA2carbonA2monoxideA2poisoningA2isA2often:A2-A2Ans--headache