WWU BIO 348 LECTURE EXAM WITH ALL ANSWERS CORRECT

WWUBIO 348-LECTURE EXAM#1WITHALL s s s s s s s s




ANSWERSCORRECT s s




1. what norganism nlevel nis nyou nskin nclassified nas:nintegumentary nsystem
s s s s s s s s s




2. what nboundary norgan nsystem nis nthe nkidney nin:nurinary nsystem
s s s s s s s s s




3. Na+ntransportnhappensnbetweennwhichncompartments:nbloodnplasma
s s s s s s s




nand ntissue nfluid n(within nthe nECF)
s s s s s s




4. whatnkindnofntransportndoesnNa+nusenwithinnthenECF:npassive,ndiffuses
s s s s s s s s s s s




nthrough nthe npores nof nthe ncapillary nwall
s s s s s s s




5. whatn%nofncytoplasmicnATPnisnusedntonrunnthenNa-Knpumpninnmost
s s s s s s s s s s s s s




nhuman ncells: n30%
s s s




6. Hownisnhomeostasisnoftenncontrolled:nnegativenfeednbacknloop
s s s s s s s s




7. whatnisnitnanNEGATIVEnfeednbacknloop:nThninitialnchangeninncondition
s s s s s s s s s s s s




ndetected nby nthe nreceptors nis nresponded nto nby nthe neffector nwith nthe nOPPOSITE
s s s s s s s s s s s s s




nresponse nto nwhat nwas ndetected nto nmaintain nhomeostasis
s s s s s s s s




8. wherenarenmostncontrolncentersnfornhomeostasis:nnervousnsystemnand
s s s s s s s s s




nen- ndocrine nsystem
s s s




9. whatnarenthendifferencesnbetweennprimaryntissuesnandnembryonic
s s s s s s s s




ngerm nlayers: n- nectoderm ncreates nnervous ntissue
s s s s s s s




- mesoderm ncreates nmuscular nand nconnective ntissue s s s s s




- endoderm ncreates nepithelial ntissue s s s




10. cleavage:nmitosisn(divisions)nwihtoutngrowth s s s s




11. growth:nincrease nin nsize nof ndaughter ncells s s s s s s




12. morphogenesis:nrate nat nwhich nchanges noccur nto nshape nan nembryo s s s s s s s s s




13. differentiation:ncells nacquire nspecific nstructures nand nfunction s s s s s s




14. function nof nfibroblast ncells:nsecretes ncollagen nfibers nto ncreates nour nfibers
s s s s s s s s s s




15. functionnofnthenbasementnmembrane:nanchorsnepithelialntissuentonloose s s s s s s s s s




ncon- nnective ntissue
s s s




16. secondary nossification:noccurs nafter nbirth, ncorresponds nwith nthe nepiphysis s s s s s s s s




17. simplensquamousnepithelium:nformsnmembranenthatnallowsnselectivendiffusion
s s s s s s s s




1 n/ n
s s




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, sof nmaterials nto npass nthrough
n s s s s




18. whichncells nlay ndown nfreshnbone nmatrix?:nosteoblasts
s s s s s s s




19. which ncellsnrecycle nbonenmatrix?:nosteoproginator ncells
s s s s s s




20. where nare nthese ncells nlocated ninnbone nmarrow?:nbone ntissue
s s s s s s s s s




21. what ntype nofnbone nmarrow nis nfound nwithin nthe nspaces nof nspongy nbone?:n-
s s s s s s s s s s s s s




yellownbonenmarrow s s




22. howndo nblood nvessels ninvade ncartilage npatterns nif ncartilage nis navascular?-
s s s s s s s s s s




:nthrough nnutrient nforamina n(holes nin nthe ndiaphysis nof nbone)
s s s s s s s s s




23. primarynossification:nbeginsnbeforenbirthnandnformsnlong ncentralnshaftnin
s s s s s s s s s s




nlong nbones nthat ncorresponds nwith nthe ndiaphysis
s s s s s s s




24. whatngermnlayernisnbonentissuenderivednfrom?:nmesoderm,nmiddle
s s s s s s s s s




nembryonic ngerm nlayer
s s s




2 n/ n
s s




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