PORTAGE LEARNING BIOL 251 - ANATOMY AND PHYSIOLOGY 1, MODULE 2 ACTUAL EXAM 354 QUESTIONS WITH CORRECT ANSWERS 100% VERIFIED GRADED A+

PORTAGE LEARNING BIOL 251 -
ANATOMY AND PHYSIOLOGY 1,
MODULE 2 ACTUAL EXAM 354
QUESTIONS WITH CORRECT
ANSWERS 100% VERIFIED GRADED
A+
1. tissuem-
mCORRECTmANSWERmGroupmofmcellsmthatmworkmtogethermtomperformmonemormmoremspecia


lizedmfunctions



2. Intracellularm-
mCORRECTmANSWERmTheminternalmenvironmentmofmthemcellsmcontainedmwithinmthemcellula


rmmembrane



3. Extracellularm-
mCORRECTmANSWERmEnvironmentmoutsidemthemcellsmormoutsidemthemcellularmmembrane




4. Extracellularmmatrixm-
mCORRECTmANSWERmSubstancesmamcellmsecretesmtomhelpmregulatemtheirmextracellularmmat


erialmandmfluids



5. Histologym-
mCORRECTmANSWERmThemmicroscopicmstudymofmthemstructuremofmtissuesmandmextracellula


rmmatrix



6. 4mmainmtypesmofmtissuesm-mCORRECTmANSWERm1)mEpithelialmTissuem-
mCoversmexposedmsurfaces,mlinesmpassageways/cavities,mandmcanmproducemglandularmsecre


tions.m

,7. 2)mConnectivemTissuem-
mSupportsmandmunderliesmothermstructuresmandmfillsmtheminternalmspacemofmthembody.m


8. 3)mMusclemtissuem-mcontractsmtomenablemmovement
9. 4)mNervousmtissuem-
mcarriesmelectricalmimpulsesmandmtranslatesminformationmtomcontrolmactivitiesmofmthembody.




10. EpithelialmTissuemDefiningmcharacteristicsm-
mCORRECTmANSWERm1)mPolaritym=mCellsmhavemuniquemsurfacesmwithmspecializedmfeatures


11. 2)mAvascularm=mNomdirectmbloodmsupply
12. 3)mBasalmsurfacemconnectsmtombasementmmembrane
13. 4)mHighlymregenerative
14. 5)mAlwaysmconnectedmtomeachmothermbecausemofmspecializedmcellmjunctions



15. ApicalmSurfacem-
mCORRECTmANSWERmfreemsurfacemofmepithelialmcellsm(Facingmexternalmenvironmentmormins


idemofmamlumen).mAllowsmcellsmtomsecretemormabsorbmmaterialsminmlumen.m(Inmendocrinemgl
ands,mepithelialmcellsmlackmapicalmsurface)



16. FunctionsmofmEpithelialmTissuem-
mCORRECTmANSWERm1)mLayermofmprotectionm=mFormsmbarriersmbetweenminternalmandmext


ernalmenvironments
17. 2)mComposesmsurfacemofmbody
18. 3)mLinesmhollowmorgans
19. 4)mDecreasesmfrictionmandmprovidesmlubricationmofmorgansmbymliningmcavities
20. 5)mManagemmaterialsminmthembodymviamsecretionm(hormonemproduction,msweat,mmilk,mdig
estivemenzymes)
21. 6)mAbsorptionm
22. 7)mExcretion
23. 8)mdiffusemparticlesmthroughmcells
24. 9)mcleansesmbymblockingmdust/dirtmfrommopenings



25. Microvillim-mCORRECTmANSWERmFinger-
likemextensionsmonmapicalmsurfacemofmmostmepithelialmcellsmandmaddmextramsurfacemareamto
mcells,mallowingmformadditionalmsecretionsmandmabsorption

,26. Ciliam-
mCORRECTmANSWERmLongermcytoplasmicmextensionsmthanmmicrovillimandmhavemanmintern


almstructuremthatmallowsmformtheirmmovement.mCiliatedmepithelialmcellsmcanmbemfoundmarra
ngedminmneatmrowsminmtracheamandmbronchi.



27. Avascularm-mCORRECTmANSWERmNomdirectmbloodmsupply



28. BasalmSurfacem-
mCORRECTmANSWERmBottommlayermofmepitheliamthatmconnectsmtomthembasementmmembra


ne



29. Basementmmembranem(Basalmlamina)m-
mCORRECTmANSWERmConnectedmtombasalmsurfacemofmepitheliamismnon-


cellularmandmproteinmrich,mallowsmcellsmtomanchormformsupport.m



30. Separatesmepitheliummfrommothermtissue.



31. Producedmbymbasalmsurfacemofmepithelialmcellsmandmconnectivemtissuemdeepmtomit.



32. Cellmjunctionsmofmepithelialmtissuemcellsm-
mCORRECTmANSWERmLateralmsurfacesmaremconnectedmbetweenmadjoiningmcellsmwithmspeci


alizedmintercellularmconnectionsmwithmuniquemproteinsmI.e.mhyaluronan



33. Hyaluronanm(Hyaluronicmacis)m-
mCORRECTmANSWERmonemtypemofmpolysaccharidemderivativemthatmhelpsmlockmepithelialmce


llsmtogether



34. Intercellularmcementm-
mCORRECTmANSWERmPolysaccharidemderivativemthatmhelpsmlockmepithelialmcellsmtogether

, 35. TypesmofmspecializedmconnectionsminmEpithelialmcellsm-
mCORRECTmANSWERm1)mgapmjunctions


36. 2)mTightmjunctions
37. 3)mAdhesionmbelt
38. 4)mterminalmweb
39. 5)mspotmdesmosomes
40. 6)mhemidesmosomes



41. Gapmjunctionsm(communicatingmjunctions)m-
mCORRECTmANSWERmuniquemcellularmstructuresmthatmpermitmfreemdiffusionmofmionsmandms


mallmmoleculesmbetweenmcells



42. TightmJunctionsm(occludingmjunctions)m-
mCORRECTmANSWERmImpermeablembarriermtypicallymlocatedmatmthemmostmapicalmpointmbe


tweenmadjoiningmcells.m



43. Formedmwhenmplasmammembranemofmtwomoutermlayersmofmcellsmfusemtogether



44. Allowmepithelialmcellsmtomfunctionmasmbarriermandmcovermunderlyingmtissues



45. AdhesionmBeltm-
mCORRECTmANSWERmFormsmdeepmtomthemtightmjunctions,mformingmamcontinuousmbandlike


mstructurembetweenmcells.mTiedmintommicrofilamentsmthatmmakemupmterminalmweb




46. Terminalmwebm-
mCORRECTmANSWERmMicrofilamentsmfoundminmthemapicalmzonemofmepithelialmcellsmatmthem


basemofmmicrovillimandmrunningmacrossmentiremcell



47. SpotmDesmosomesm-
mCORRECTmANSWERmFoundmthroughoutmthemlateralmsurfacesmofmepithelialmcells.mHelpmtiem