SSI OPEN WATER FINAL EXAM QUESTIONS AND CORRECT VERIFIED ANSWERS

SSI OPEN WATER FINAL EXAM
QUESTIONS AND CORRECT VERIFIED
ANSWERS
WhichA2ofA2theA2statementsA2concerningA2soundA2transmissionA2underwaterA2isA2incorrec
t?
-SoundA2willA2travelA2fartherA2underwaterA2thenA2inA2airA2
-DiversA2findA2itA2difficultA2toA2locateA2theA2directionA2ofA2aA2soundA2producingA2source
-DiversA2findA2itA2easyA2toA2talkA2toA2eachA2otherA2directlyA2throughA2waterA2
-SoundA2travelsA2fourA2timesA2fasterA2underwaterA2thanA2inA2airA2-A2Ans---
DiversA2findA2itA2easyA2toA2talkA2toA2eachA2otherA2directlyA2throughA2water

TheA2absoluteA2pressureA2expressedA2inA2termsA2ofA2atmospheresA2absoluteA2atA233A2fee
tA2inA2seaA2waterA2is:
-2A2ata
-1A2ata
-A24A2ataA2
-A23A2ataA2-A2Ans--2A2ata

TheA2conditionA2inA2whichA2certainA2colorsA2areA2diminishedA2asA2depthA2increasesA2isA2c
alled:
-RefractionA2
-Turbidity
-Diffusion
-AbsorptionA2-A2Ans--Absorption

EarplugsA2
-AidA2equalizationA2ofA2theA2middleA2ofA2theA2earA2
-A2ProtectA2againstA2cold
-ShouldA2neverA2beA2wornA2whileA2divingA2
-ProtectA2earsA2fromA2squeezeA2-A2Ans---ShouldA2neverA2beA2wornA2whileA2diving

GaugeA2pressureA2isA2definedA2as:
-A2HydrostaticA2pressureA2minusA21A2ataA2
-A2TheA2pressureA2atA2theA2surface
-A2TheA2depthA2readingA2onA2aA2gaugeA2
-A2AbsoluteA2pressureA2minusA21A2ataA2-A2Ans---A2AbsoluteA2pressureA2minusA21A2ata

SinusA2squeezeA2canA2beA2preventedA2by:
-ValsalvaA2techniqueA2
-A2WearingA2earplugsA2
-A2TiltingA2theA2diversA2headA2backA2andA2forthA2
-A2NotA2divingA2withA2aA2coldA2-A2Ans---A2NotA2divingA2withA2aA2cold

, TheA2eventA2thatA2ledA2toA2theA2useA2ofA2theA2acronymA2SCUBAA2toA2describeA2divingA2wa
s:A2-A2Ans--TheA2developmentA2ofA2theA2demandA2regulatorA2inA21943

EarA2squeezeA2canA2beA2preventedA2byA2
-RelaxingA2
-AllA2answersA2areA2correct
-A2NeverA2divingA2withA2aA2cold
-A2rotatingA2theA2jaw,A2swallowingA2orA2ValsalvaA2-A2Ans---AllA2answersA2areA2correct

TheA2firstA2symptomA2ofA2aA2sinusA2squeezeA2isA2usually:
-A2aA2dullA2painA2deepA2withinA2theA2headA2
-A2aA2sharpA2painA2atA2theA2baseA2ofA2theA2neckA2
-A2aA2crushingA2painA2highA2inA2theA2chest
-A2aA2sharpA2painA2aboveA2theA2eyesA2-A2Ans---A2aA2sharpA2painA2aboveA2theA2eyes

IfA2youA2experienceA2painA2inA2theA2earA2duringA2descent:
-StopA2theA2descentA2andA2ascendA2tillA2theA2painA2stops
-A2abortA2theA2dive
-
placeA2aA2fingerA2inA2theA2earA2canalA2andA2gentlyA2massageA2theA2earA2untilA2theA2painA2
ceases
-A2continueA2theA2descentA2whileA2gentlyA2exhalingA2intoA2theA2maskA2-A2Ans---
A2continueA2theA2descentA2whileA2gentlyA2exhalingA2intoA2theA2mask


BodyA2heatA2isA2lostA2atA2aA2rateA2ofA2___A2thanA2air.A2-A2Ans--25-30A2timesA2faster

ProperA2equalizationA2techniquesA2mustA2beA2learnedA2inA2orderA2to:
-preventA2sinusA2squeeze
-preventA2earA2pain
-preventA2squeezeA2injuries
-A2allA2answersA2areA2correctA2-A2Ans---A2allA2answersA2areA2correct

SaltA2waterA2weighsA2___A2poundsA2perA2cubicA2footA2andA2freshwaterA2weighsA2___A2po
undsA2perA2cubicA2foot.A2-A2Ans--64/62.5

Underwater,A2theA2bendingA2ofA2lightA2raysA2causesA2objectsA2toA2appearA2toA2be:A2-
A2Ans--closer


TheA2purposeA2ofA2equalizationA2isA2to:
-
ensureA2theA2unevenA2applicationA2ofA2pressureA2betweenA2theA2waterA2andA2airA2spaces
A2inA2theA2body
-preventA2waterA2fromA2enteringA2airA2spacesA2inA2theA2bodyA2