Exam (elaborations)
NCLE PRACTICE TEST WITH ALL ANSWERS PROVIDED CLEARLY
NCLE PRACTICE TEST WITH ALL ANSWERS PROVIDED CLEARLY
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ncle practice test with all answers provided clear
a correct statement regarding epithelial cells is
which of the following prescriptions indicates aga
when a keratometer is being calibrated which of
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NCLE PRACTICE TEST WITH ALL
ANSWERS PROVIDED CLEARLY
AbCorrectbStatementbregardingbepithelialbcellsbisbthatbthey:
a)Comprisebthebposteriorblayerbofbthebcornea
b)Arebunablebtobregenerate
c)Comprisebthebthickestblayerbofbthebcornea
d)bHavebthebabilitybtobreproduceb-bcorrectbanswer-d)bhavebthebabilitybtobreproduce
Whichbofbthebfollowingbprescriptionsbindicatesbagainst-the-rulebastigmatism?
a)-4.50b+1.00bx75
b)-4.50b+1.00bxb180
c)-4.50b-1.00bxb165
d)4.50b-1.00bxb180b-bcorrectbanswer-a)-4.50b+1.00bx75
Whenbabkeratometerbisbbeingbcalibrated,bwhichbofbthebfollowingbtargetsbwillbprovidebtheb
mostbreliablebresult?
a)thebsingle-cutbanteriorbsurfacebofbabhigh-plusblens
b)abperfectlybflatbhighlybpolishedbmirror
c)babsetbofbsteellbballsbofbknownbradii
d)thebunfinishedbposteriorbsurfacebofbablow-minusblensb-bcorrectbanswer-
c)babsetbofbsteelbballsbofbknownbradii
Inadequatebmovementbofbabsoftblensbcanbbebcorrectedbbybusingbablensbthat
a)bhasbabsteeperbbasebcurve
b)bhasbabsmallerbdiameter
c)bhasbablargerbdiameter
d)bhasbabhigherbwaterbcontentb-bcorrectbanswer-b)hasbabsmallerbdiameter
Ablong-
term,bsuccessful,bhydrogelbcontactblensbwearerbsuddenlybdevelopsbdrybeyes.bWhichbofb
thebfollowingbisbmostblikelybtobcausebthisbproblem?
,a)bUsebofboxidativebsolution
b)busebofbrewettingbdrops
c)busebofbanti-histamines
d)bWearingbofblensesbinbthebwrongbeyesb-bcorrectbanswer-c)busebofbanti-histamines
Duringbslit-
lampbevaluation,bonbupwardbgaze,babpatient'sbsoftbcontactblensesbmoveb0.5btob1mmbwh
enbthebpatientbblinks.bTheseblensesbare:
a)babgoodbfit
b)btoobloose
c)btoobtight
d)btooblargeb-bcorrectbanswer-a)babgoodbfit
Abnewbdailybwearerbofbsoftblensesbreturnsbforbthebfirstbfollowbupbvisitbwithbitching,bburnin
g,binjectedbeyes.bThebmostblikelybcausebofbthesebproblemsbis:
a)bsolutionbreaction
b)bgiant-cellbpapillarybconjunctivitis
c)bablensbfitbthatbisbtoobloose
d)binabilitybtobwearbsoftblensesb-bcorrectbanswer-a)bsolutionbreaction
Whichbofbthebfollowingbisbthebmodebofbslit-
lampbilluminationbusedbtobviewbthebearlybstagesbofbmicrocysticbedema?
a)bRetroillumination
b)bDirectbillumination
c)bParrallelpiped
d)bOscillationb-bcorrectbanswer-a)bRetroillumination
Whichbofbthebfollowingbchangesbisbbestbablebtobimproveboxygenbtransmissibilitybtobabpati
ent'sbcornea?
a)bIncreasingbtearbexchange
b)bIncreasingbDk
c)bIncreasingbopticalbzonebdiameter
d)bIncreasingbCNbbevelb-bcorrectbanswer-b)bIncreasingbDk
Inbusingbfluoresceinbtobevaluatebthebfitbofbabrigidblensbofb9.0mmbdiameterbonbabtypicalbey
e,babcorrectbstatementbisbthat:
a)bapicalbtouchbwithbpoolingbinbthebPPCbcurvebareabisbpreferred
b)bapicalbtoxicitybmaybnotbbebobvious
c)bapicalbpoolingbwithbedgebtouchbisbrecommended
d)bapicalbarea,bmid-peripheralbarea,bandbtheblensbedgesbshouldbbebassessedb-
bcorrectbanswer-d)bapicalbarea,bmid-
peripheralbarea,bandbtheblensbedgesbshouldbbebassessed
, Whichbofbthebfollowingbchangesbwouldbimprovebabrigidbcontactblensbfitbthatbshowsbsluggi
shbmovementbafterb1bhourbofbwear?
a)bAddbhyperflangebedgebtreatment
b)bReduceboverallbdiameter
c)bDecreasebcenterbthickness
d)bIncreaseboverallbdiameterb-bcorrectbanswer-b)bReduceboverallbdiameter
Movingbab+7.50bRXbfrombthebspectaclebplanebtobthebcornealbplanebwillbrequire:
a)bnobchangebinbpower
b)bmorebminusbpower
c)bmorebplusbpower
d)blessbplusbpowerb-bcorrectbanswer-c)bmorebplusbpower
Abfluoresceinbpatternbthatbhasbabblackbareaboverbthebcornealbapexbandbabdiffusebgreenba
reabinbthebperipherybnormallybindicates:
a)bflatbfit
b)bsteepbfit
c)bnormalbfit
d)btightbfitb-bcorrectbanswer-a)bflatbfit
IPC'sbarebusedbto:
a)bprovidebabtransitionbbetweenbthebperipheralbandbbasebcurves
b)breducebedgebthicknessbandblensbmass
c)bincreasebthebopticalbzone
d)bsmoothbtheblensbedgeb-bcorrectbanswer-
a)bprovidebabtransitionbbetweenbthebperipheralbandbbasebcurves
AbtoricbsoftblensbwithbanbRXbofb-2.00b-
1.25bxb120bhasbthebaxisbrestingbatbtheb5bo'bclockbposition.bWhatbshouldbthebnewbaxisbbeb
whenbtheblensbisbordered?b
a)b90bdegrees
b)b105bdegrees
c)b135bdegrees
d)b150bdegreesb-bcorrectbanswer-a)b90bdegrees
UponbinitialbinsertionbofbabGPblens,bthebpatientbcomplainsbaboutbflare.bTobcorrectbthisbpr
oblem,bthebfitterbshouldbchoosebablensbwithba/an:
a)bincreasedbbasebcurve
b)bincreasedbopticalbzone
c)bdecreasedbopticalbzone
d)bflattenedbbasebcurveb-bcorrectbanswer-b)bincreasedbopticalbzone
Whichbcurvebwouldbabfitterbmodifybtoballowbmorebtearbflowbunderbthebedgebofbabrigidblens
?