PNR201- MEDSURG-CH.22 QUESTIONS
WITH CORRECT ANSWERS 2025
EpidermisQ-QCORRECTQANSWERQ-
TheQouterQlayerQofQtheQskinQisQrelativelyQthin,QrangingQfromQ0.05QmmQonQtheQeyelidsQtoQ0.1QmmQo
nQtheQsoles.Q
ThereQareQnoQlymphaticQorQvascularQstructuresQinQtheQepidermis.Q
DividedQintoQ5QlayersQ(StratumQcorneum,QStratumQgerminativum,Qmelanocytes,Qlangerhans'Qcells
,QandQmerkelQcells)
KeratinocytesQ-QCORRECTQANSWERQ-FormQinQtheQbasalQlayer.
InitiallyQtheyQareQundifferentiatedQandQshapedQlikeQcolumns.QAsQtheyQmature,QtheyQmoveQtoQtheQ
surface,QwhereQtheyQflattenQandQdieQtoQformQtheQouterQskinQlayerQ(stratumQcorneum).Q
MakeQaQfibrousQprotein,Qkeratin,QwhichQisQvitalQtoQtheQskin'sQprotectiveQbarrierQfunction.
MelanocytesQ-QCORRECTQANSWERQ-FoundQinQtheQdeep,QbasalQlayer,
ContainsQmelanin,QaQpigmentQthatQgivesQcolorQtoQtheQskinQandQhairQandQprotectsQtheQbodyQfromQ
damagingQultravioletQsunlight
Langerhans'QcellsQ-QCORRECTQANSWERQ-AQtypeQofQdendriticQcell.Q
ImmunocompetentQcellsQthatQrecognizeQantigens.Q
WhenQtheyQareQdepleted,QtheQskinQcannotQinitiateQanQimmuneQresponse.Q
InQSkinQdiseasesQlikeQpsoriasisQandQsarcoidosisQtheseQcellsQareQdecreasedQinQnumber
MerkelQcellsQ-QCORRECTQANSWERQ-FoundQinQtheQbasalQlayer
InvolvedQinQtheQsensationQofQlightQtouch.
, WeQuseQthemQwhenQfeelingQtheQtextureQofQanQobjectQandQfiguringQoutQwhatQitQis.
DermisQ-QCORRECTQANSWERQ-TheQconnectiveQtissueQbelowQtheQepidermis
VeryQvascular,QcontainingQmanyQbloodQvessels,QhairQfollicles,QsebaceousQglands,QandQspecializedQc
ellsQsuchQasQmastQcellsQandQmacrophagesQthatQprotectQtheQbodyQfromQexternalQstimuli.
MadeQofQ3QtypesQofQconnectiveQtissue:Qcollagen,QelasticQfibers,QandQreticularQfibers
FibroblastQ-QCORRECTQANSWERQ-MakesQcollagenQandQelastin.
SubcutaneousQ-QCORRECTQANSWERQ-LiesQbelowQtheQdermis
MadeQofQlooseQconnectiveQandQfatQcellsQthatQprovideQinsulation,Qcushioning,QtemperatureQregula
tion,QandQenergyQstorage.
AttachesQtheQskinQtoQunderlyingQtissues,QsuchQasQmuscleQandQbone
SkinQappendagesQ-QCORRECTQANSWERQ-
Hair,Qnails,QandQglandsQ(sebaceous,Qapocrine,QandQeccrine).Q
TheseQstructuresQreceiveQnutrients,Qelectrolytes,QandQfluidsQfromQtheQdermis
SebaceousQglandsQ-QCORRECTQANSWERQ-SecreteQsebum,QwhichQisQemptiedQintoQtheQhairQfollicles
SebumQ-QCORRECTQANSWERQ-
WaterQproofsQandQlubricatesQtheQskinQandQpromotesQtheQabsorptionQofQfat-solubleQsubstances
ApocrineQsweatQglandsQ-QCORRECTQANSWERQ-
MainlyQfoundQinQtheQaxillaryQgenital,QandQbreastQareas.Q
BecomesQactiveQatQpuberty.
WITH CORRECT ANSWERS 2025
EpidermisQ-QCORRECTQANSWERQ-
TheQouterQlayerQofQtheQskinQisQrelativelyQthin,QrangingQfromQ0.05QmmQonQtheQeyelidsQtoQ0.1QmmQo
nQtheQsoles.Q
ThereQareQnoQlymphaticQorQvascularQstructuresQinQtheQepidermis.Q
DividedQintoQ5QlayersQ(StratumQcorneum,QStratumQgerminativum,Qmelanocytes,Qlangerhans'Qcells
,QandQmerkelQcells)
KeratinocytesQ-QCORRECTQANSWERQ-FormQinQtheQbasalQlayer.
InitiallyQtheyQareQundifferentiatedQandQshapedQlikeQcolumns.QAsQtheyQmature,QtheyQmoveQtoQtheQ
surface,QwhereQtheyQflattenQandQdieQtoQformQtheQouterQskinQlayerQ(stratumQcorneum).Q
MakeQaQfibrousQprotein,Qkeratin,QwhichQisQvitalQtoQtheQskin'sQprotectiveQbarrierQfunction.
MelanocytesQ-QCORRECTQANSWERQ-FoundQinQtheQdeep,QbasalQlayer,
ContainsQmelanin,QaQpigmentQthatQgivesQcolorQtoQtheQskinQandQhairQandQprotectsQtheQbodyQfromQ
damagingQultravioletQsunlight
Langerhans'QcellsQ-QCORRECTQANSWERQ-AQtypeQofQdendriticQcell.Q
ImmunocompetentQcellsQthatQrecognizeQantigens.Q
WhenQtheyQareQdepleted,QtheQskinQcannotQinitiateQanQimmuneQresponse.Q
InQSkinQdiseasesQlikeQpsoriasisQandQsarcoidosisQtheseQcellsQareQdecreasedQinQnumber
MerkelQcellsQ-QCORRECTQANSWERQ-FoundQinQtheQbasalQlayer
InvolvedQinQtheQsensationQofQlightQtouch.
, WeQuseQthemQwhenQfeelingQtheQtextureQofQanQobjectQandQfiguringQoutQwhatQitQis.
DermisQ-QCORRECTQANSWERQ-TheQconnectiveQtissueQbelowQtheQepidermis
VeryQvascular,QcontainingQmanyQbloodQvessels,QhairQfollicles,QsebaceousQglands,QandQspecializedQc
ellsQsuchQasQmastQcellsQandQmacrophagesQthatQprotectQtheQbodyQfromQexternalQstimuli.
MadeQofQ3QtypesQofQconnectiveQtissue:Qcollagen,QelasticQfibers,QandQreticularQfibers
FibroblastQ-QCORRECTQANSWERQ-MakesQcollagenQandQelastin.
SubcutaneousQ-QCORRECTQANSWERQ-LiesQbelowQtheQdermis
MadeQofQlooseQconnectiveQandQfatQcellsQthatQprovideQinsulation,Qcushioning,QtemperatureQregula
tion,QandQenergyQstorage.
AttachesQtheQskinQtoQunderlyingQtissues,QsuchQasQmuscleQandQbone
SkinQappendagesQ-QCORRECTQANSWERQ-
Hair,Qnails,QandQglandsQ(sebaceous,Qapocrine,QandQeccrine).Q
TheseQstructuresQreceiveQnutrients,Qelectrolytes,QandQfluidsQfromQtheQdermis
SebaceousQglandsQ-QCORRECTQANSWERQ-SecreteQsebum,QwhichQisQemptiedQintoQtheQhairQfollicles
SebumQ-QCORRECTQANSWERQ-
WaterQproofsQandQlubricatesQtheQskinQandQpromotesQtheQabsorptionQofQfat-solubleQsubstances
ApocrineQsweatQglandsQ-QCORRECTQANSWERQ-
MainlyQfoundQinQtheQaxillaryQgenital,QandQbreastQareas.Q
BecomesQactiveQatQpuberty.