BIOL 235 MIDTERM 1 Questions & Answers
n n n n n n
ChapternNumber:n04
Questionntype:nMultiplenChoice
1) WhichnofnthenfollowingnisnNOTnonenofnthenmainntissuentypesnfoundninnthenhumann
body?
c)nmyocardial
2) Thesentypesnofncellnjunctionsnanchornadjacentncellsntogethernandnresistntheirn
separationnduringncontractilenactivities.
c) adherensnjunctionsnandndesmosomes
3) Thenthinnextracellularnlayer,nconsistingnofnthenbasalnandnreticularnlamina,nthatnanchorsn
epithelialncellsntonunderlyingnconnectiventissuenisncallednthe
a) basementnmembrane.
4) Epithelialntissue
a) isnusednasnancoveringnofnbodynsurfaces.
b) isnusednasnanliningnofnbodyncavitiesnandnhollownorgans.
c) isnusedntonformnglands.
d) usuallynhasnanfreensurfacenthatninteractsnwithnexternalnenvironment.
e) Allnofnthesenanswernchoicesnarencorrect.
nAnswer:ne
5) Namenandnbrieflyndescribenthendifferentncategoriesnofnepithelialntissuesnbasednonncelln
shapenandnnumbernofnlayersnofncellsnfoundninnthentissue.
Solution:nBasednonncellnshape,nepithelialntissuesncannbendividednintonfourncategoriesnincluding:n1)n
squamousnwhichnarenthinnandnflat,n2)ncuboidalnwhichnarensimilarninnwidthnandnheight,n3)ncolumna
rnarentallernthanntheynarenwidenandn4)ntransitionalnwhichncannchangenshapenfromncuboidalntonsqu
amousnandnbacknagain.nEpithelialntissuesncannalsonbencategorizednbasednonnthennumbernofnlayersn
ofncellsnfoundninnthentissue.nThesencategoriesninclude:n1)nsimplenwhichnmeansnansinglenlayernofncell
s,n2)nstratifiednwhichnisntwonornmorenlayersnofncellsnandn3)npseudonstratifiednwhichnisnonenlayernofn
cellsnthatnappearsnmulti-layerednduentonthenarrangementnofnthennucleininnthencells.
,6) Whichntypenofnepithelialntissuenisnfoundnliningnthenheart,nbloodnvesselsnandnlymphaticn
vessels?
a) Simplensquamousnepithelium
7) Whichntypenofnepithelialntissuenformsnthenmostnsuperficialnlayernofnthenskin
c) Stratifiednsquamousnepithelium
8) Whichntypenofnepithelialntissuenlinesnthenductsnofnsweatnglandsnandnesophagealnglands?
d) Stratifiedncuboidalnepithelium
9) Whichntypenofnepithelialntissuenlinesnthenfallopianntubes,nuterus,nandnsomenbronchiolesnofn
thenrespiratoryntract?
b) Simplencolumnarnepithelium
10) Innwhichnofnthenfollowingnlocationsnwouldnyounmostnlikelynfindntransitionalnepithelialn
cells?
c) Liningnofnthenurinarynbladder
11) Whichnofnthenfollowingntypesnofnglandsnarencategorizednbynwhetherntheirnductsnaren
branchednornunbranched?
b) Multicellularnexocrinenglands
12) Whichntypenofnmulticellularnexocrinenglandnhasnanbranchednroundednsecretorynpartn
attachedntonansinglenunbranchednductnandnisnfoundnmainlyninnsebaceousnglands?
d) Simplenbranchednacinarngland
13) Functionalnclassificationnofnexocrinenglandsnisnbasednon
c) hownthenglandnreleasesnitsnsecretorynproduct.
14) Whichntypenofnexocrinenglandnaccumulatesnitsnsecretorynproductninnthencytosolnofnitsn
cellsnuntilnthencellnrupturesnandnbecomesnpartnofnthensecretorynproduct?
c) Holocrine
15) Thenextracellularnmatrixnofnconnectiventissuenconsistsnof
e) proteinnfibersnandngroundnsubstance.
,16) WhichnofnthenfollowingnisnNOTnanconnectiventissue?
e)nEpidermis
17) Whichncomponentnofnconnectiventissuenisnfoundnbetweennthencellsnandnfibers,nandn
functionsntonsupportnandnbindncellsninnthentissuentogether?
c) Groundnsubstance
18) Whichnofnthenfollowingnisnanpolysaccharidencommonlynfoundninnthengroundnsubstancen
ofnconnectiventissues?
a) Hyaluronicnacid
19) Whichnofnthenfollowingntypesnofnfibersnarencommonlynfoundninnthenextracellularnmatrixnofn
connectiventissue?
a) Elastic
b) Reticular
c) Collagen
d) Allnofnthesenanswernchoicesnarencorrect.
20) Reticularnfibersninnsoftnorgansnlikenthenspleennandnlivernformnansupportingnframeworkncalledn
the
d) stroma.
21) Whichnofnthenfollowingnisnclassifiednasnloosenconnectiventissue?
c) Areolarnconnectiventissue
22) Whichnofnthenfollowingnisnanlocationnwherenadiposentissuenisncommonlynfound?
a) Subcutaneousnlayerndeepntonthenskin
23) Thenmainnfunctionnofndensenregularnconnectiventissuesnis
d) providingnstrongnattachmentnbetweennstructuresnlikenmusclenandnbones.
24) Thenpubicnsymphysisnandnintervertebralndiscsnarencomposednofnwhichntypenofnconnectiven
tissue?
c)nFibrocartilage
25) Namenandnbrieflyndescribenthentwontypesnofngrowthnseenn
inncartilage.
Solution:nGrowthnofncartilagencannbenclassifiednasninterstitialnornappositional.nInninterstitialngro
wth,nthencartilagenincreasesnrapidlyninnsizenduentonthendivisionnofnexistingnchondrocytesnand
, thencontinuousndepositionnofnincreasingnamountsnofnmatrixnbynthenchondrocytes.nInnapposition
alngrowth,nactivitynofnthencellsninntheninnernchondrogenicnlayernofnthenperichondriumnleadsntongr
owth.nDeepernlayersndividenandncellsnmaturenresultingninnthenmatrixnaccumulatingnbeneathnthen
perichondriumnonnthenouternsurfacenofnthencartilagencausingnitntongrowninnwidth.
26) Whatnisnthenbasicnstructuralnunitnofncompactnbonentissue?
a) osteon
27) Spongynbonentissuenlacks
d) osteons.
28) Thenextracellularnmatrixnofnbloodntissuenconsistsnof
c)nplasma.
29) Whichnofnthenfollowingntypesnofnmembranesnfoundninnthen
humannbodyndoesnNOTncontainnepithelialntissue?
d) Synovialnmembrane
30) Whichntypenofnmembranenlinesnanbodyncavitynthatndoesnnotnopenndirectlyntonthenexteriornandn
thenorgansncontainedninnthatnbodyncavity?
b)nSerousnmembrane
31) Immature,nundifferentiatedncellsnthatncanndividentonreplacenlostnorndamagedncellsnarencalled
a) stemncells.
32) Innthendiagramnshownnbelow,nwhichncellnjunctionnisnandesmosome?
n n n n n n
ChapternNumber:n04
Questionntype:nMultiplenChoice
1) WhichnofnthenfollowingnisnNOTnonenofnthenmainntissuentypesnfoundninnthenhumann
body?
c)nmyocardial
2) Thesentypesnofncellnjunctionsnanchornadjacentncellsntogethernandnresistntheirn
separationnduringncontractilenactivities.
c) adherensnjunctionsnandndesmosomes
3) Thenthinnextracellularnlayer,nconsistingnofnthenbasalnandnreticularnlamina,nthatnanchorsn
epithelialncellsntonunderlyingnconnectiventissuenisncallednthe
a) basementnmembrane.
4) Epithelialntissue
a) isnusednasnancoveringnofnbodynsurfaces.
b) isnusednasnanliningnofnbodyncavitiesnandnhollownorgans.
c) isnusedntonformnglands.
d) usuallynhasnanfreensurfacenthatninteractsnwithnexternalnenvironment.
e) Allnofnthesenanswernchoicesnarencorrect.
nAnswer:ne
5) Namenandnbrieflyndescribenthendifferentncategoriesnofnepithelialntissuesnbasednonncelln
shapenandnnumbernofnlayersnofncellsnfoundninnthentissue.
Solution:nBasednonncellnshape,nepithelialntissuesncannbendividednintonfourncategoriesnincluding:n1)n
squamousnwhichnarenthinnandnflat,n2)ncuboidalnwhichnarensimilarninnwidthnandnheight,n3)ncolumna
rnarentallernthanntheynarenwidenandn4)ntransitionalnwhichncannchangenshapenfromncuboidalntonsqu
amousnandnbacknagain.nEpithelialntissuesncannalsonbencategorizednbasednonnthennumbernofnlayersn
ofncellsnfoundninnthentissue.nThesencategoriesninclude:n1)nsimplenwhichnmeansnansinglenlayernofncell
s,n2)nstratifiednwhichnisntwonornmorenlayersnofncellsnandn3)npseudonstratifiednwhichnisnonenlayernofn
cellsnthatnappearsnmulti-layerednduentonthenarrangementnofnthennucleininnthencells.
,6) Whichntypenofnepithelialntissuenisnfoundnliningnthenheart,nbloodnvesselsnandnlymphaticn
vessels?
a) Simplensquamousnepithelium
7) Whichntypenofnepithelialntissuenformsnthenmostnsuperficialnlayernofnthenskin
c) Stratifiednsquamousnepithelium
8) Whichntypenofnepithelialntissuenlinesnthenductsnofnsweatnglandsnandnesophagealnglands?
d) Stratifiedncuboidalnepithelium
9) Whichntypenofnepithelialntissuenlinesnthenfallopianntubes,nuterus,nandnsomenbronchiolesnofn
thenrespiratoryntract?
b) Simplencolumnarnepithelium
10) Innwhichnofnthenfollowingnlocationsnwouldnyounmostnlikelynfindntransitionalnepithelialn
cells?
c) Liningnofnthenurinarynbladder
11) Whichnofnthenfollowingntypesnofnglandsnarencategorizednbynwhetherntheirnductsnaren
branchednornunbranched?
b) Multicellularnexocrinenglands
12) Whichntypenofnmulticellularnexocrinenglandnhasnanbranchednroundednsecretorynpartn
attachedntonansinglenunbranchednductnandnisnfoundnmainlyninnsebaceousnglands?
d) Simplenbranchednacinarngland
13) Functionalnclassificationnofnexocrinenglandsnisnbasednon
c) hownthenglandnreleasesnitsnsecretorynproduct.
14) Whichntypenofnexocrinenglandnaccumulatesnitsnsecretorynproductninnthencytosolnofnitsn
cellsnuntilnthencellnrupturesnandnbecomesnpartnofnthensecretorynproduct?
c) Holocrine
15) Thenextracellularnmatrixnofnconnectiventissuenconsistsnof
e) proteinnfibersnandngroundnsubstance.
,16) WhichnofnthenfollowingnisnNOTnanconnectiventissue?
e)nEpidermis
17) Whichncomponentnofnconnectiventissuenisnfoundnbetweennthencellsnandnfibers,nandn
functionsntonsupportnandnbindncellsninnthentissuentogether?
c) Groundnsubstance
18) Whichnofnthenfollowingnisnanpolysaccharidencommonlynfoundninnthengroundnsubstancen
ofnconnectiventissues?
a) Hyaluronicnacid
19) Whichnofnthenfollowingntypesnofnfibersnarencommonlynfoundninnthenextracellularnmatrixnofn
connectiventissue?
a) Elastic
b) Reticular
c) Collagen
d) Allnofnthesenanswernchoicesnarencorrect.
20) Reticularnfibersninnsoftnorgansnlikenthenspleennandnlivernformnansupportingnframeworkncalledn
the
d) stroma.
21) Whichnofnthenfollowingnisnclassifiednasnloosenconnectiventissue?
c) Areolarnconnectiventissue
22) Whichnofnthenfollowingnisnanlocationnwherenadiposentissuenisncommonlynfound?
a) Subcutaneousnlayerndeepntonthenskin
23) Thenmainnfunctionnofndensenregularnconnectiventissuesnis
d) providingnstrongnattachmentnbetweennstructuresnlikenmusclenandnbones.
24) Thenpubicnsymphysisnandnintervertebralndiscsnarencomposednofnwhichntypenofnconnectiven
tissue?
c)nFibrocartilage
25) Namenandnbrieflyndescribenthentwontypesnofngrowthnseenn
inncartilage.
Solution:nGrowthnofncartilagencannbenclassifiednasninterstitialnornappositional.nInninterstitialngro
wth,nthencartilagenincreasesnrapidlyninnsizenduentonthendivisionnofnexistingnchondrocytesnand
, thencontinuousndepositionnofnincreasingnamountsnofnmatrixnbynthenchondrocytes.nInnapposition
alngrowth,nactivitynofnthencellsninntheninnernchondrogenicnlayernofnthenperichondriumnleadsntongr
owth.nDeepernlayersndividenandncellsnmaturenresultingninnthenmatrixnaccumulatingnbeneathnthen
perichondriumnonnthenouternsurfacenofnthencartilagencausingnitntongrowninnwidth.
26) Whatnisnthenbasicnstructuralnunitnofncompactnbonentissue?
a) osteon
27) Spongynbonentissuenlacks
d) osteons.
28) Thenextracellularnmatrixnofnbloodntissuenconsistsnof
c)nplasma.
29) Whichnofnthenfollowingntypesnofnmembranesnfoundninnthen
humannbodyndoesnNOTncontainnepithelialntissue?
d) Synovialnmembrane
30) Whichntypenofnmembranenlinesnanbodyncavitynthatndoesnnotnopenndirectlyntonthenexteriornandn
thenorgansncontainedninnthatnbodyncavity?
b)nSerousnmembrane
31) Immature,nundifferentiatedncellsnthatncanndividentonreplacenlostnorndamagedncellsnarencalled
a) stemncells.
32) Innthendiagramnshownnbelow,nwhichncellnjunctionnisnandesmosome?
