COA EXAM STUDY (JCAHPO) ACTUAL EXAM
QUESTIONS WITH CORRECT ANSWERS RATED A+
levatorHpalpebraeHsuperiorisH-HCORRECTHANSWERSMuscleHthatHelevatesHtheHlid
ScleraH-HCORRECTHANSWERSwhiteHopaqueHfibrousHshell,HmainHpurposeHisHtoHprotectHeye
CorneaH-
HCORRECTHANSWERSAHtransparentHconvexHcoveringHwhichHprotectsHtheHeyeHandHhelpsHfocusHlight
HraysHontoHtheHretinaHandHtheHbackHofHtheHeye
meibomianHglandsH-HCORRECTHANSWERSTheHlargestHoil-
secretingHglands,HwhichHareHembeddedHinHtheHposteriorHconnectiveHtissueHsubstanceHofHtheHlids
CornealHEpitheliumH-
HCORRECTHANSWERSPartHofHtheHcorneaHthatHisHusuallyHinjuredHbyHsuperficialHabrasionsHorHsmallHf
oreignHbodies.HIsH5-7HcellsHthickHandHisHcomposedHofHnonkeratinizedHstratifiedHsquamousHcells.
CornealHEpitheliumH-
HCORRECTHANSWERSPartHofHtheHcorneaHthatHregeneratesHrapidlyHandHhealsHwithoutHleavingHaHsca
r.
Bowman'sHmembraneH-
HCORRECTHANSWERSConsistsHofHrandomlyHorientedHcollagenHfibrilsHofHgreaterHperiodicityHthenHth
eHunderlayingHstroma.
Bowman'sHmembraneH-
HCORRECTHANSWERSAcellularHlayerHofHcorneaHthatHhasHnoHregenerativeHcapabilities.HFunctionHisH
unclear.
, StromaH-
HCORRECTHANSWERSLayerHjustHunderHBowman'sHmembrane.HAccountsHforH90%HofHcornealHthickn
essHandHisHcomposedHofH78%Hwater.
Descemet'sHmembraneH-
HCORRECTHANSWERSLayerHofHtheHcorneaHthatHisHcomposedHofHtypeHIIIHcollagen,HformsHtheHbasem
entHmembraneHofHepithelialHcells.
EndotheliumH-HCORRECTHANSWERS4-
6umHthickHlayerHofHtheHcorneaHmadeHofH500,000HcellsHthatHmaintainsHcornealHdeturgescence.HNoH
regenerativeHabilities.
LimbusH-
HCORRECTHANSWERSTheHgray,HsemitransparentHareaHwhichHdemarcatesHtheHjunctionHofHtheHcorn
eaHandHsclera.
CorneaHisHcompletelyHnourishedHbyH-
HCORRECTHANSWERS3Hsources:HAHplexusHofHfineHcapillariesHatHtheHlimbus,HtheHtearHfilm,HandHtheHa
queousHhumor.
VitreousH-
HCORRECTHANSWERSjellyHlikeHstructure,HthickHandHviscous,HthatHoccupiesHtheHvitreousHchamberHi
nHtheHposteriorHconcavityHofHtheHglobe.
LensH-
HCORRECTHANSWERSAHtransparentHbiconvexHstructureHsituatedHbetweenHtheHirisHandHtheHvitreou
s.
IrisH-HCORRECTHANSWERSTheHmostHanteriorHstructureHofHtheHuvealHtract.
QUESTIONS WITH CORRECT ANSWERS RATED A+
levatorHpalpebraeHsuperiorisH-HCORRECTHANSWERSMuscleHthatHelevatesHtheHlid
ScleraH-HCORRECTHANSWERSwhiteHopaqueHfibrousHshell,HmainHpurposeHisHtoHprotectHeye
CorneaH-
HCORRECTHANSWERSAHtransparentHconvexHcoveringHwhichHprotectsHtheHeyeHandHhelpsHfocusHlight
HraysHontoHtheHretinaHandHtheHbackHofHtheHeye
meibomianHglandsH-HCORRECTHANSWERSTheHlargestHoil-
secretingHglands,HwhichHareHembeddedHinHtheHposteriorHconnectiveHtissueHsubstanceHofHtheHlids
CornealHEpitheliumH-
HCORRECTHANSWERSPartHofHtheHcorneaHthatHisHusuallyHinjuredHbyHsuperficialHabrasionsHorHsmallHf
oreignHbodies.HIsH5-7HcellsHthickHandHisHcomposedHofHnonkeratinizedHstratifiedHsquamousHcells.
CornealHEpitheliumH-
HCORRECTHANSWERSPartHofHtheHcorneaHthatHregeneratesHrapidlyHandHhealsHwithoutHleavingHaHsca
r.
Bowman'sHmembraneH-
HCORRECTHANSWERSConsistsHofHrandomlyHorientedHcollagenHfibrilsHofHgreaterHperiodicityHthenHth
eHunderlayingHstroma.
Bowman'sHmembraneH-
HCORRECTHANSWERSAcellularHlayerHofHcorneaHthatHhasHnoHregenerativeHcapabilities.HFunctionHisH
unclear.
, StromaH-
HCORRECTHANSWERSLayerHjustHunderHBowman'sHmembrane.HAccountsHforH90%HofHcornealHthickn
essHandHisHcomposedHofH78%Hwater.
Descemet'sHmembraneH-
HCORRECTHANSWERSLayerHofHtheHcorneaHthatHisHcomposedHofHtypeHIIIHcollagen,HformsHtheHbasem
entHmembraneHofHepithelialHcells.
EndotheliumH-HCORRECTHANSWERS4-
6umHthickHlayerHofHtheHcorneaHmadeHofH500,000HcellsHthatHmaintainsHcornealHdeturgescence.HNoH
regenerativeHabilities.
LimbusH-
HCORRECTHANSWERSTheHgray,HsemitransparentHareaHwhichHdemarcatesHtheHjunctionHofHtheHcorn
eaHandHsclera.
CorneaHisHcompletelyHnourishedHbyH-
HCORRECTHANSWERS3Hsources:HAHplexusHofHfineHcapillariesHatHtheHlimbus,HtheHtearHfilm,HandHtheHa
queousHhumor.
VitreousH-
HCORRECTHANSWERSjellyHlikeHstructure,HthickHandHviscous,HthatHoccupiesHtheHvitreousHchamberHi
nHtheHposteriorHconcavityHofHtheHglobe.
LensH-
HCORRECTHANSWERSAHtransparentHbiconvexHstructureHsituatedHbetweenHtheHirisHandHtheHvitreou
s.
IrisH-HCORRECTHANSWERSTheHmostHanteriorHstructureHofHtheHuvealHtract.