apistgAssistantg3rdgEditiongMansfield
Chapterg02:gStructuregandgFunctiongofgJoints
Mansfield:gEssentialsgofgKinesiologygforgthegPhysicalgTherapistgAssistant,g3rdgEdition
MULTIPLEgCHOICE
1. Thegskull,ghyoidgbone,gribs,gandgvertebralgcolumngformgthe:
a. Axialgskeleton c.g g Peripheralgskeleton
b. Coregskeleton d.g g Appendiculargskeleton
ANS:g g A
Thegaxialgskeletongconsistsgofgthegskull,ghyoidgbone,gribs,gandgvertebralgcolumngincludinggthe
gsacrumgandgcoccyx,gforminggthegcentral,gsemirigidgbonygaxisgofgthegbody.
PTS: 1
2. Thegbonesgofgthegappendagesg(extremities)gformgthe:
a. Axialgskeleton c.g g Peripheralgskeleton
b. Coregskeleton d.g g Appendiculargskeleton
ANS:g g D
Thegappendiculargskeletongisgcomposedgofgthegbonesgofgthegappendages,gorgextremitie
s.gPTS: 1
3. isgdense,gtypicallyglinesgthegoutermostgportionsgofgbones,gandgisgextremelygstrong.
a. Cancellousgbone c.g g Marrow
b. Corticalgbone d.g g Porousgbone
ANS:g g B
Cortical,gorgcompact,gbonegisgrelativelygdensegandgtypicallyglinesgthegoutermostgportionsgofgb
ones.gThisgtypegofgbonegisgextremelygstrong,gespeciallygingregardsgtogabsorbinggcompressivegf
orcesgthroughgagbone’sglongitudinalgaxis.
PTS: 1
4. isgporous,gtypicallygcomprisesgtheginnergportionsgofgagbone,gandglightensgbones.
a. Corticalgbone c.g g Cancellousgbone
b. Compactgbone d.g g Porousgbone
ANS:g g C
Cancellousgbonegisgporousgandgtypicallygcomprisesgtheginnergportionsgofgagbone.gThegporou
s,gweb-
likegstructuregofgcancellousgbonegnotgonlyglightensgbonesgbut,gsimilargtogagseriesgofgmechan
icalgstruts,gredirectsgforcesgtowardgweight-bearinggsurfacesgcoveredgbygarticulargcartilage.
PTS: 1
5. Thegdiaphysisgis:
a. Thegcentralgshaftgofgthegbone
b. Thegexpandedgportiongofgbonegthatgarisesgfromgthegshaft
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apistgAssistantg3rdgEditiongMansfield
c. Theglininggofgthegarticulargsurfacegofgeachgepiphysis
d. Thin,gtoughgmembranegsecuringgattachmentsgofgmusclegtogbone
ANS:g g A
Thegdiaphysisgisgthegcentralgshaftgofgthegbone
.gPTS: 1
6. linesgthegarticulargsurfacegofgeachgepiphysis,gactinggasgagshockgabsorbergbetwee
ngjoints.
a. Periosteum c.g g Endosteum
b. Medullarygcanal d.g g Articulargcartilage
ANS:g g D
Articulargcartilageglinesgthegarticulargsurfacegofgeachgepiphysis,gactinggasgagshockgabsorbergbe
tweengjoints.
PTS: 1
7. Thegperiosteumgis:
a. Similargtogagthickghollowgtube
b. Importantgforgstoringgbonegmarrow
c. Agtough,gthingmembranegcoveringglonggbones
d. Agshockgabsorbergbetweengjoints
ANS:g g C
Eachglonggbonegisgcoveredgbygagthin,gtoughgmembranegcalledgthegperiosteum.gThisghighlygva
sculargandginnervatedgmembraneghelpsgsecuregthegattachmentsgofgmusclesgandgligamentsgtogb
one.
PTS: 1
8. Thegmedullarygcanalgis:
a. Agtubegwithingagshortgbone
b. Linedgwithgmembranesgthatgcushiongbone
c. Agdynamicgtissuegonlygrespondinggtogexternalgforces
d. Importantgforgstoringgbonegmarrowgandgprovidesgagpassagewaygfo
rgnutrient-carryinggarteries
ANS:g g D
Thegmedullarygcanalgisgthegcentralghollowgtubegwithingthegdiaphysisgofgaglonggbone,gimpor
tantgforgstoringgbonegmarrow,gandgprovidesgagpassagewaygforgnutrient-carryinggarteries.
PTS: 1
9. Thegendosteumgisga:
a. Lininggforgdiaphysis
b. Housinggforgmanygofgthegcellsgimportantgforgforminggandgrepairinggbone
c. Membranegcoveringglonggbones
d. Systemgusedgtogclassifygbones
mynursytest.store
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apistgAssistantg3rdgEditiongMansfield
ANS:g g B
Thegendosteumgisgagmembranegthatglinesgthegsurfacegofgthegmedullarygcanal.gManygofgthegc
ellsgimportantgforgforminggandgrepairinggbonegareghousedgingthegendosteum.
PTS: 1
10. Agsynarthrosisgis:
a. Agjunctiongbetweengbonesgthatgallowsglittlegtognogmovement
b. Agbonegsimilargtogthegpatella
c. Bestgdescribedgasghavingggreatgflexibilitygofgmovement
d. Agtypegofgbonegshapedglikegsesamegseeds
ANS:g g A
Agsynarthrosisgisgagjunctiongbetweengbonesgthatgallowsglittlegtognogmovement.gExamplesgincl
udegthegsuturesgofgthegskullgandgthegdistalgtibiofibulargjoint.
PTS: 1
11. Angamphiarthrosisgis:
a. Agjointgformedgprimarilygofgbonegandgdisks
b. Agtypegofgjointgthatgallowsglimitedgamountsgofgmotiongbutgplaysgangimportantgrol
egingshockgabsorption
c. Thegtypegofgjointgfoundgingthegshoulder
d. Agjointgformedgofgseveralglayersgofgfluid-trappinggcells
ANS:g g B
Angamphiarthrosisgisgagtypegofgjointgthatgisgformedgprimarilygbygfibrocartilagegandghyalineg
cartilage.gAlthoughgthesegjointsgallowglimitedgamountsgofgmotion,gtheygplaygangimportantgr
olegingshockgabsorption.
PTS: 1
12. Thegactiongofgthegpivotgjoint:
a. Isgmatedgwithgagmatchinggactiongofgitsgpartner
b. Allowsgmotiongonlygongonegplane,gbutgfromgtwogoppositegpivotgpoints
c. Isgsimilargtogthegrotationgofgagdoorknob
d. Articulatesgbetweengagconvexgsurfacegandgagmatchinggcup-likegsocket
ANS:g g C
Thegpivotgjointgallowsgrotationgaroundgagsingleglongitudinalgaxisgofgrotation,gsimilargtogthegrot
ationgofgagdoorknob.
PTS: 1
13. Thegplanegjointgisgcomposedgof:
a. Oneglarge,gflatgbonegsurroundedgbygagseriesgofgsupportivegsmallergbonegstructures
b. Twogflatgbonegstructuresgsandwichedgonegatopgthegother
c. Thegarticulationgbetweengtwogrelativelygflatgbonygsurfaces
d. Flexiblegcartilagegthatgcangbegcompressedgslightlygasgneeded
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