BIOL 235 final Exam
m m m
SET 1 m
Venousmbloodmreturningmfrommsystemicmcirculationmfirstmentersmthem___,mproceedsmtomthem
____,mlosesm___andmgainsm____minmthemlungs,mandmthenmreturnsmtomthemheartmviamthem___
_.
a)mrightmatrium,mrightmventricle,mpulmonarymartery,mCO2,mO2,mpulmonarymveins.
b)mLeftmatrium,mleftmventricle,mpulmonarymartery,mCO2,mO2,maorta
c)Rightmatrium,mrightmventricle,mpulmonarymartery,mO2,mCO2,mpulmonarymveins
d)mLeftmatrium,mrightmventricle,mpulmonarymveins,mO2,mCO2,maortam-
mA.mRightmatrium,mrightmventricle,mpulmonarymartery,mCO2,mO2,mpulmonarymveins
Themuppermrespiratorymtractmdiffersmfrommthemlowermrespiratorymtractmin mwhatmway?
A)mairmismtaken minmthroughmthemlowermrespiratorymtract,mandmCO2/O2maremexchangedmin mth
emuppermrespiratorymtract
b)mairmismtaken minmthroughmthemuppermrespiratorymtract,mandmCO2/O2maremexchangedminmth
emlowermrespiratorymtract
c)mCO2mismremovedmfrommcirculation min mthemuppermrespiratorymtract
d)mO2mismremovedmfrommcirculation min mthemlowermrespiratorymtractm-
mB.mAirmismtaken minmthrough mthemuppermrespiratorymtract,mandmCO2/O2maremexchanged min mt
hemlowermrespiratorymtract
Smooth mmusclemsurroundsmwhich mstructuremof mthemlowermrespiratorymtract?
a)mAlveoli
b)mAlveolarmcapillaries
c)mTerminal mbronchioles
d)mTracheam-mC.mterminal mbronchioles
In mthemalveolus,m____squamousmepithelial mcellsmaremresponsiblemform___,mwhilem___cellsm
aremresponsiblemform____.
a)mTypem1;msurfactantmsecretion;mTypem2,mgasmexchange
b)mtypem1;mdebrismremoval;mtypem2;msurfactantmsecretion
c)mtypem3;mdebrismremoval;mtypem1;mgasmexchange
d)mtypem1;mgasmexchange;mtypem2:msurfactantmsecretion m-
md)mtypem1;mgasmexchange;mtypem2:msurfactantmsecretion
Theremismnomnetmairmflow mintomormoutmof mthemlungsmwhen
a)mPmalveolusm=mPmatmostpher
b)mPmalveolus<mPmatmostphere
c)mPmpleural mwall m>mPmatmostphere
d)mPmatmosphere<mPmpleural mwall m-ma)mPmalveolusm=mPmatmosphere
,Whatmkeepsmthemlungsmfrommcollapsing
Checkmthem-
mb)mtransmpulmonarymnegative mpressure mcausedmbymnegative mpressure mfrommpleural mcavit
y
Identifymthemcorrectmsequencemof meventsmforminspiration
a)mdiaphragmm&minspiratorymintercostalsmrelax,mlungsmexpand,mairmflowsmintomalveoli
b)mdiaphragmm&minspiratorymintercostalsmcontract;mlungsmexpand,mairmflowsmoutmof mthemalv
eoli
c)mdiaphragmm&minspiratorymintercostalsmcontract,mlungsmexpand,mairmflowsmintomalveoli
d)diaphragmm&mexpiratorymintercostalsmrelax,mlungsmcontract,mairmflowsmoutmof malveoli m-
mc)mdiaphragmm& minspiratorymintercostalsmcontract,mlungsmexpand,mairmflowsmintomalveoli
themmain mdeterminersmof mlungmcompliancemare
a)mlungmtissuemthickness,msurfacemtension mof mfluidmon mtheminnermlungmsurface
b)mlungmtissuemperforations,msurfacemtension mof mfluidmon mtheminnermlungmsurface
c)mlungmtissuemsurfacemarea,msurfacemtension mof mfluidmon mtheminnermlungmsurface
d)mlungmtissuemthickness,msurfacemtension mof mfluidmon mthemoutermlungmsurfacem-
ma)mlungmtissuemthickness,msurfacemtension mof mfluidmon mtheminnermlungmsurface
lungmcompliancemismdefinedmasm
a)mlungmvolume/mtranspulmonarympressure
b)mtranspulmonarympressure/mlungmvolume
c)mtransthoracicmpressure/matmosphericmpressure
d)mnonemof mthemabovem-md)mnonemof mthemabove
trainedmathletesmtendmtomhavem
a)mincreasedmlungmcompliance
b)mnormal mlungmcompliance
c)mdecreasedmlungmcompliance
d)masthmam-ma)mincreasedmlungmcompliance
which mismtruemabboutmthempleural msac
a)itmismcontinuousmwith mthematmospheremandmprotectsmthemlungsmfromminfections
b)mitmismamclosedmsacmsurroundingmeachmlungmandmcontainsmonlymamtinymvolumemofmlubricati
ngmfluid
c)mitmismamclosedmsacmsurroundingmeach mlungmandmcontain mamlargemvolumemof msurfactact
d)mitmismamclosed,mair-
filledmspacemsurroundingmbothmlungsmthatmhasmamnegativempressuremcomparedmtomatmosp
hericmpressurem-
mb)mitmismamclosedmsacmsurrounding meachmlungmandmcontainsmonlymamtinymvolumemof mlubricat
ingmfluid
which mstructuremismNOTmpartmof mthem"anatomical mdeadmspace?"
a)mbronchiole
,b)mtrachea
c)mbronchus
d)respiratorymbronchiolem-md)respiratorymbronchiole
themvolumemofmairmflowingmintomthemalveolimduringminhalation/inspirationmismincreasedmwhe
n mtheremisman mincreasemin mwhich mof mthese?
a)airmresistance
b)thempressuremgradiantmfrommthematmospheremtomthemalveoli
c)mthempressuremin mthemintrapleural mspace
d)mthemcurvaturemof mthemdiaphragmm-
mb)thempressure mgradiantmfrommthematmosphere mtomthemalveoli
undermnormal mcircumstances,mwhichmofmthemfollowingmwouldmresultmfrommanmincreaseminmtr
anspulmonarympressure?
a)minhalation/inspiration
b)mexhalation/expiration
c)mamcollapsedmlung
d)memphysemam-ma)minhalation/inspiration
which mof mthemfollowingmstatementsmaboutmthemresponsemofmarteriolemsmooth mmusclemtomch
angingmocygen mpartial mpressuremismtrue?
a)mboth msystemicmandmpulmonarymarteriolesmrespondmtomamdecreasemin mPO2mbymconstricti
ng
b)mboth msystemicmandmpulmonarymarteriolesmrespondmtomamdecreasemin mPO2mbymdilating
c)msystemicmarteriolesmrespondmtomamdecreaseminmPO2mbymdilatingmbutmpulmonarymarteriol
esmconstrictmin mresponsemtomdecreasedmPO
d)msystemicmarteriolesmrespondmtomamdecreaseminmPO2mbymconstrictingmbutmpulmonarymart
eriolesmdilatemin mresponsemtomdecreasedmPO2m-
mc)msystemicmarteriolesmrespond mtomamdecrease minmPO2mbymdilating mbutmpulmonarymarteriol
esmconstrictmin mresponsemtomdecreasedmPO
duringman munforcedmexhalation/expiration,mwhich mwouldmNOTmbemtrue?
a)malveolarmpressuremismgreatermthan matmosphericmpressure
b)mintrapleural mpressuremismgreatermthan malveolarmpressure
c)mintrapleural mpressurembecomesmlessmnegative
d)mthemdiaphragmmrelaxesm-mb)mintrapleural mpressuremismgreatermthan malveolarmpressure
which mtruemregardingmhow mgasesmdissolvemin mliquids?
a0mthemconcentrationmofmamgasminmamliquidmequilibratesmtommatch mthemconcentrationmofmthat
mgasmin mthemairmtomwhich mof mthemliquid mismexposed m
b)mdifferentmgassesmhavemthemsamemsolubilitymin mliquids
c)mthempartial mpressuremofmamgasminmamliquidmismequalmtomthemamountmgreatlymdiffusingminmth
emliquidmplusmthemamountmboundmtomlargemmoleculesmwithin mthemliquid
d)mthempartial mpressuremof mamparticularmgasminmamliquidmequilibratesmtommatch mthempartial mpr
essuremomthatmgasmin mthemairmtomwhich mthemliquidmismexposedm-
, md)mthempartial mpressuremofmamparticularmgasminmamliquidmequilibratesmtommatch mthempartialmp
ressuremomthatmgasmin mthemairmtomwhich mthemliquidmismexposed
which mof mthesemresultsmfrommhyperventilation?
a)mincreasedmalveolarmPCO2mandmdecreasedmalveolarmPO2
b)man mincreasemin mboth mPO2m&mPO2
c)mdecreasedmalveolarmPCO2m&mincreasedmalveolarmPO2
d)mamdecreasemin mboth malveolarmPCO2m&mPO2m-
mc)mdecreased malveolarmPCO2m& mincreased malveolarmPO2
In mwhich mformmismmostmof mthemoxygen mcarriedmin marterial mblood?
a)mboundmtomhemoglobin
b)mdissolvedmin mthemplasma
c)mdissolvedmin mthemcytosol mof merthrocytes
d)mconvertedmtomHCO3m-ma)mboundmtomhemoglobin
aftermCO2mismproducedmbymtissues,minmwhatmformmismmostmof mthatmcarbon mtransportedmth mt
hemlungsmformremoval mfrommthembody?
a)masmdissolvedmCO2
b)mfoundmtomhemoglobin
c)masmH2CO3
d)masmdissolvedmHCO3m-md)masmdissolvedmHCO3
action mpotential minmneurnosminmtheminspiratorymcentermofmthemmedullamresultminmationmpoten
tialsmin mthem____nervesmtomthemdiaphragm,mwhichminmturn mcausem___mof mthemmuscle,mresul
tingmin ma/an____min mthemvolumemof mteh mthoiracicmcage.
a)mmotor,mcontraction,mdecrease
b?mparasympathetic,mcontration,mdecrease
c)msympathetic,mcontraction,mincrease
D)mmotor,mcontraction,mincreasem-mD)mmotor,mcontraction,mincrease
which mismNOTmamfunction mof mthemkidneysmin mmaintin mhomeostaisis?
a)mregulation mof mextracellularmfluidmosmolarity
b)mregulation mof mbloodmhydrogen mion mconcentration
c)mregulation mof mbloodmglucosemconcentration
d)mregulation mof mextracellularmfluidmvolumem-
mc)mregulation mof mblood mglucose mconcentration
which mof mthemfollowingmdoesmNOTmcorrectlymdescribemkidneymfunction?
a)mtheymcontributemsignificantlymtomlongmtermmregulationmofmarterial mbloodmpressurembymmai
ntainingmthempropermplasmamvolume
b)mtheymproducemurinemof mamconstantmcompositionmatmallmtime,minmordermtommaintain mhome
ostasismof mextramcellularmfluid
c)mtheymexcretemmetabolicmwastemproducts
d)mthemassistmin mmaintaingmpropermacidmbasembalancemin mthembodym-
mc)mtheymexcretemmetabolicmwastemproducts
m m m
SET 1 m
Venousmbloodmreturningmfrommsystemicmcirculationmfirstmentersmthem___,mproceedsmtomthem
____,mlosesm___andmgainsm____minmthemlungs,mandmthenmreturnsmtomthemheartmviamthem___
_.
a)mrightmatrium,mrightmventricle,mpulmonarymartery,mCO2,mO2,mpulmonarymveins.
b)mLeftmatrium,mleftmventricle,mpulmonarymartery,mCO2,mO2,maorta
c)Rightmatrium,mrightmventricle,mpulmonarymartery,mO2,mCO2,mpulmonarymveins
d)mLeftmatrium,mrightmventricle,mpulmonarymveins,mO2,mCO2,maortam-
mA.mRightmatrium,mrightmventricle,mpulmonarymartery,mCO2,mO2,mpulmonarymveins
Themuppermrespiratorymtractmdiffersmfrommthemlowermrespiratorymtractmin mwhatmway?
A)mairmismtaken minmthroughmthemlowermrespiratorymtract,mandmCO2/O2maremexchangedmin mth
emuppermrespiratorymtract
b)mairmismtaken minmthroughmthemuppermrespiratorymtract,mandmCO2/O2maremexchangedminmth
emlowermrespiratorymtract
c)mCO2mismremovedmfrommcirculation min mthemuppermrespiratorymtract
d)mO2mismremovedmfrommcirculation min mthemlowermrespiratorymtractm-
mB.mAirmismtaken minmthrough mthemuppermrespiratorymtract,mandmCO2/O2maremexchanged min mt
hemlowermrespiratorymtract
Smooth mmusclemsurroundsmwhich mstructuremof mthemlowermrespiratorymtract?
a)mAlveoli
b)mAlveolarmcapillaries
c)mTerminal mbronchioles
d)mTracheam-mC.mterminal mbronchioles
In mthemalveolus,m____squamousmepithelial mcellsmaremresponsiblemform___,mwhilem___cellsm
aremresponsiblemform____.
a)mTypem1;msurfactantmsecretion;mTypem2,mgasmexchange
b)mtypem1;mdebrismremoval;mtypem2;msurfactantmsecretion
c)mtypem3;mdebrismremoval;mtypem1;mgasmexchange
d)mtypem1;mgasmexchange;mtypem2:msurfactantmsecretion m-
md)mtypem1;mgasmexchange;mtypem2:msurfactantmsecretion
Theremismnomnetmairmflow mintomormoutmof mthemlungsmwhen
a)mPmalveolusm=mPmatmostpher
b)mPmalveolus<mPmatmostphere
c)mPmpleural mwall m>mPmatmostphere
d)mPmatmosphere<mPmpleural mwall m-ma)mPmalveolusm=mPmatmosphere
,Whatmkeepsmthemlungsmfrommcollapsing
Checkmthem-
mb)mtransmpulmonarymnegative mpressure mcausedmbymnegative mpressure mfrommpleural mcavit
y
Identifymthemcorrectmsequencemof meventsmforminspiration
a)mdiaphragmm&minspiratorymintercostalsmrelax,mlungsmexpand,mairmflowsmintomalveoli
b)mdiaphragmm&minspiratorymintercostalsmcontract;mlungsmexpand,mairmflowsmoutmof mthemalv
eoli
c)mdiaphragmm&minspiratorymintercostalsmcontract,mlungsmexpand,mairmflowsmintomalveoli
d)diaphragmm&mexpiratorymintercostalsmrelax,mlungsmcontract,mairmflowsmoutmof malveoli m-
mc)mdiaphragmm& minspiratorymintercostalsmcontract,mlungsmexpand,mairmflowsmintomalveoli
themmain mdeterminersmof mlungmcompliancemare
a)mlungmtissuemthickness,msurfacemtension mof mfluidmon mtheminnermlungmsurface
b)mlungmtissuemperforations,msurfacemtension mof mfluidmon mtheminnermlungmsurface
c)mlungmtissuemsurfacemarea,msurfacemtension mof mfluidmon mtheminnermlungmsurface
d)mlungmtissuemthickness,msurfacemtension mof mfluidmon mthemoutermlungmsurfacem-
ma)mlungmtissuemthickness,msurfacemtension mof mfluidmon mtheminnermlungmsurface
lungmcompliancemismdefinedmasm
a)mlungmvolume/mtranspulmonarympressure
b)mtranspulmonarympressure/mlungmvolume
c)mtransthoracicmpressure/matmosphericmpressure
d)mnonemof mthemabovem-md)mnonemof mthemabove
trainedmathletesmtendmtomhavem
a)mincreasedmlungmcompliance
b)mnormal mlungmcompliance
c)mdecreasedmlungmcompliance
d)masthmam-ma)mincreasedmlungmcompliance
which mismtruemabboutmthempleural msac
a)itmismcontinuousmwith mthematmospheremandmprotectsmthemlungsmfromminfections
b)mitmismamclosedmsacmsurroundingmeachmlungmandmcontainsmonlymamtinymvolumemofmlubricati
ngmfluid
c)mitmismamclosedmsacmsurroundingmeach mlungmandmcontain mamlargemvolumemof msurfactact
d)mitmismamclosed,mair-
filledmspacemsurroundingmbothmlungsmthatmhasmamnegativempressuremcomparedmtomatmosp
hericmpressurem-
mb)mitmismamclosedmsacmsurrounding meachmlungmandmcontainsmonlymamtinymvolumemof mlubricat
ingmfluid
which mstructuremismNOTmpartmof mthem"anatomical mdeadmspace?"
a)mbronchiole
,b)mtrachea
c)mbronchus
d)respiratorymbronchiolem-md)respiratorymbronchiole
themvolumemofmairmflowingmintomthemalveolimduringminhalation/inspirationmismincreasedmwhe
n mtheremisman mincreasemin mwhich mof mthese?
a)airmresistance
b)thempressuremgradiantmfrommthematmospheremtomthemalveoli
c)mthempressuremin mthemintrapleural mspace
d)mthemcurvaturemof mthemdiaphragmm-
mb)thempressure mgradiantmfrommthematmosphere mtomthemalveoli
undermnormal mcircumstances,mwhichmofmthemfollowingmwouldmresultmfrommanmincreaseminmtr
anspulmonarympressure?
a)minhalation/inspiration
b)mexhalation/expiration
c)mamcollapsedmlung
d)memphysemam-ma)minhalation/inspiration
which mof mthemfollowingmstatementsmaboutmthemresponsemofmarteriolemsmooth mmusclemtomch
angingmocygen mpartial mpressuremismtrue?
a)mboth msystemicmandmpulmonarymarteriolesmrespondmtomamdecreasemin mPO2mbymconstricti
ng
b)mboth msystemicmandmpulmonarymarteriolesmrespondmtomamdecreasemin mPO2mbymdilating
c)msystemicmarteriolesmrespondmtomamdecreaseminmPO2mbymdilatingmbutmpulmonarymarteriol
esmconstrictmin mresponsemtomdecreasedmPO
d)msystemicmarteriolesmrespondmtomamdecreaseminmPO2mbymconstrictingmbutmpulmonarymart
eriolesmdilatemin mresponsemtomdecreasedmPO2m-
mc)msystemicmarteriolesmrespond mtomamdecrease minmPO2mbymdilating mbutmpulmonarymarteriol
esmconstrictmin mresponsemtomdecreasedmPO
duringman munforcedmexhalation/expiration,mwhich mwouldmNOTmbemtrue?
a)malveolarmpressuremismgreatermthan matmosphericmpressure
b)mintrapleural mpressuremismgreatermthan malveolarmpressure
c)mintrapleural mpressurembecomesmlessmnegative
d)mthemdiaphragmmrelaxesm-mb)mintrapleural mpressuremismgreatermthan malveolarmpressure
which mtruemregardingmhow mgasesmdissolvemin mliquids?
a0mthemconcentrationmofmamgasminmamliquidmequilibratesmtommatch mthemconcentrationmofmthat
mgasmin mthemairmtomwhich mof mthemliquid mismexposed m
b)mdifferentmgassesmhavemthemsamemsolubilitymin mliquids
c)mthempartial mpressuremofmamgasminmamliquidmismequalmtomthemamountmgreatlymdiffusingminmth
emliquidmplusmthemamountmboundmtomlargemmoleculesmwithin mthemliquid
d)mthempartial mpressuremof mamparticularmgasminmamliquidmequilibratesmtommatch mthempartial mpr
essuremomthatmgasmin mthemairmtomwhich mthemliquidmismexposedm-
, md)mthempartial mpressuremofmamparticularmgasminmamliquidmequilibratesmtommatch mthempartialmp
ressuremomthatmgasmin mthemairmtomwhich mthemliquidmismexposed
which mof mthesemresultsmfrommhyperventilation?
a)mincreasedmalveolarmPCO2mandmdecreasedmalveolarmPO2
b)man mincreasemin mboth mPO2m&mPO2
c)mdecreasedmalveolarmPCO2m&mincreasedmalveolarmPO2
d)mamdecreasemin mboth malveolarmPCO2m&mPO2m-
mc)mdecreased malveolarmPCO2m& mincreased malveolarmPO2
In mwhich mformmismmostmof mthemoxygen mcarriedmin marterial mblood?
a)mboundmtomhemoglobin
b)mdissolvedmin mthemplasma
c)mdissolvedmin mthemcytosol mof merthrocytes
d)mconvertedmtomHCO3m-ma)mboundmtomhemoglobin
aftermCO2mismproducedmbymtissues,minmwhatmformmismmostmof mthatmcarbon mtransportedmth mt
hemlungsmformremoval mfrommthembody?
a)masmdissolvedmCO2
b)mfoundmtomhemoglobin
c)masmH2CO3
d)masmdissolvedmHCO3m-md)masmdissolvedmHCO3
action mpotential minmneurnosminmtheminspiratorymcentermofmthemmedullamresultminmationmpoten
tialsmin mthem____nervesmtomthemdiaphragm,mwhichminmturn mcausem___mof mthemmuscle,mresul
tingmin ma/an____min mthemvolumemof mteh mthoiracicmcage.
a)mmotor,mcontraction,mdecrease
b?mparasympathetic,mcontration,mdecrease
c)msympathetic,mcontraction,mincrease
D)mmotor,mcontraction,mincreasem-mD)mmotor,mcontraction,mincrease
which mismNOTmamfunction mof mthemkidneysmin mmaintin mhomeostaisis?
a)mregulation mof mextracellularmfluidmosmolarity
b)mregulation mof mbloodmhydrogen mion mconcentration
c)mregulation mof mbloodmglucosemconcentration
d)mregulation mof mextracellularmfluidmvolumem-
mc)mregulation mof mblood mglucose mconcentration
which mof mthemfollowingmdoesmNOTmcorrectlymdescribemkidneymfunction?
a)mtheymcontributemsignificantlymtomlongmtermmregulationmofmarterial mbloodmpressurembymmai
ntainingmthempropermplasmamvolume
b)mtheymproducemurinemof mamconstantmcompositionmatmallmtime,minmordermtommaintain mhome
ostasismof mextramcellularmfluid
c)mtheymexcretemmetabolicmwastemproducts
d)mthemassistmin mmaintaingmpropermacidmbasembalancemin mthembodym-
mc)mtheymexcretemmetabolicmwastemproducts
