1
TEST BANK FOR
m m
PILBEAMS MEC m
HANICAL VENTI m
LATION 7THEDI
m m
TIONBYCAIRO 2
m m m
023
, 2
Chapterm1;mBasicmTermsmandmConceptsmofmMechanicalmVentilationmTestmBank
MULTIPLEmCHOICE
1. Thembody’smmechanismmformconductingmairminmandmoutmofmthemlungsmismknownmasmwhichm
ofmthemfollowing?
a. Externalmrespiration
b. Internalmrespiration
c. Spontaneousmventilation
d. Mechanicalmventilation
ANS:mC
Themconductionmofmairminmandmoutmofmthembodymismknownmasmventilation.mSincemthemquestionmasksmformt
hembody’smmechanism,mthismwouldmbemspontaneousmventilation.mExternalmrespirationminvolvesmthemexcha
ngemofmoxygenm(O2)mandmcarbonmdioxidem(CO2)mbetweenmthemalveolimandmthempulmonarymcapillaries.mInt
ernalmrespirationmoccursmatmthemcellularmlevelmandminvolvesmmovementmofmoxygenmfrommthemsystemicmbl
oodmintomthemcells.
DIF: 1 REF:mpg.m3
2. Whichmofmthemfollowingmareminvolvedminmexternalmrespiration?
a. Redmbloodmcellsmandmbodymcells
b. Scalenesmandmtrapeziu
smmuscles
c. Alveolimandmpulmonar
ymcapillaries
d. Externalmobliquemand
m transversemabdominalmmuscl
es
, 3
ANS:mC
Externalmrespirationminvolvesmthemexchangemofmoxygenmandmcarbonmdioxidem(CO2)mbetweenmthemalveolima
ndmthempulmonarymcapillaries.mInternalmrespirationmoccursmatmthemcellularmlevelmandminvolvesmmovement
mofmoxygenmfrommthemsystemicmbloodmintomthemcells.
Scalenemandmtrapeziusmmusclesmaremaccessorymmusclesmofminspiration.mExternalmobliquemandmtransversema
bdominalmmusclesmaremaccessorymmusclesmofmexpiration.
DIF: 1 REF:mpg.m3
3. Themgraphmthatmshowsmintrapleuralmpressuremchangesmduringmnormalmspontaneousmbreathin
gmismdepictedmbymwhichmofmthemfollowing?
a.
b.
c.
d.
ANS:mB
Duringmspontaneousmbreathingmthemintrapleuralmpressuremdropsmfrommaboutm-5mcmmH2Omatmend-
expirationmtomaboutm-10mcmmH2Omatmend-
inspiration.mThemgraphmdepictedmformanswermBmshowsmthatmchangemfromm-5mcmmH2Omtom-10mcmmH2O.
DIF: 1 REF:mpg.m4
4. Duringmspontaneousminspirationmalveolarmpressurem(PA)mismabout:
.
, 4
a. -m1mcmmH2O
b. +m1mcmmH2O
c. 0mcmmH2O
d. 5mcmmH2O
ANS:mA
-
1mcmmH2Omismthemlowestmalveolarmpressuremwillmbecomemduringmnormalmspontaneousmventilation.mDuri
ngmthemexhalationmofmamnormalmspontaneousmbreathmthemalveolarmpressuremwillmbecomem+1mcmmH2O.
DIF: 1 REF:mpg.m3
5. Thempressuremrequiredmtommaintainmalveolarminflationmismknownmasmwhichmofmthemfollowing?
a. Transairwaympressurem(PTAm)
b. Transthoracicmpressurem(PTT)
c. Transrespiratorympressurem(PTR)
d. Transpulmonarympressurem(PL)
ANS:mD
Themdefinitionmofmtranspulmonarympressurem(PL)mismthempressuremrequiredmtommaintainmalveolarminflatio
n.mTransairwaympressurem(PTAm)mismthempressuremgradientmrequiredmtomproducemairflowminmthemconductin
gmtubes.mTransrespiratorympressurem(PTR)mismthempressuremtominflatemthemlungsmandmairwaysmduringmposi
tivempressuremventilation.mTransthoracicmpressurem(PTT)mrepresentsmthempressuremrequiredmtomexpandmo
rmcontractmthemlungsmandmthemchestmwallmatmthemsamemtime.
TEST BANK FOR
m m
PILBEAMS MEC m
HANICAL VENTI m
LATION 7THEDI
m m
TIONBYCAIRO 2
m m m
023
, 2
Chapterm1;mBasicmTermsmandmConceptsmofmMechanicalmVentilationmTestmBank
MULTIPLEmCHOICE
1. Thembody’smmechanismmformconductingmairminmandmoutmofmthemlungsmismknownmasmwhichm
ofmthemfollowing?
a. Externalmrespiration
b. Internalmrespiration
c. Spontaneousmventilation
d. Mechanicalmventilation
ANS:mC
Themconductionmofmairminmandmoutmofmthembodymismknownmasmventilation.mSincemthemquestionmasksmformt
hembody’smmechanism,mthismwouldmbemspontaneousmventilation.mExternalmrespirationminvolvesmthemexcha
ngemofmoxygenm(O2)mandmcarbonmdioxidem(CO2)mbetweenmthemalveolimandmthempulmonarymcapillaries.mInt
ernalmrespirationmoccursmatmthemcellularmlevelmandminvolvesmmovementmofmoxygenmfrommthemsystemicmbl
oodmintomthemcells.
DIF: 1 REF:mpg.m3
2. Whichmofmthemfollowingmareminvolvedminmexternalmrespiration?
a. Redmbloodmcellsmandmbodymcells
b. Scalenesmandmtrapeziu
smmuscles
c. Alveolimandmpulmonar
ymcapillaries
d. Externalmobliquemand
m transversemabdominalmmuscl
es
, 3
ANS:mC
Externalmrespirationminvolvesmthemexchangemofmoxygenmandmcarbonmdioxidem(CO2)mbetweenmthemalveolima
ndmthempulmonarymcapillaries.mInternalmrespirationmoccursmatmthemcellularmlevelmandminvolvesmmovement
mofmoxygenmfrommthemsystemicmbloodmintomthemcells.
Scalenemandmtrapeziusmmusclesmaremaccessorymmusclesmofminspiration.mExternalmobliquemandmtransversema
bdominalmmusclesmaremaccessorymmusclesmofmexpiration.
DIF: 1 REF:mpg.m3
3. Themgraphmthatmshowsmintrapleuralmpressuremchangesmduringmnormalmspontaneousmbreathin
gmismdepictedmbymwhichmofmthemfollowing?
a.
b.
c.
d.
ANS:mB
Duringmspontaneousmbreathingmthemintrapleuralmpressuremdropsmfrommaboutm-5mcmmH2Omatmend-
expirationmtomaboutm-10mcmmH2Omatmend-
inspiration.mThemgraphmdepictedmformanswermBmshowsmthatmchangemfromm-5mcmmH2Omtom-10mcmmH2O.
DIF: 1 REF:mpg.m4
4. Duringmspontaneousminspirationmalveolarmpressurem(PA)mismabout:
.
, 4
a. -m1mcmmH2O
b. +m1mcmmH2O
c. 0mcmmH2O
d. 5mcmmH2O
ANS:mA
-
1mcmmH2Omismthemlowestmalveolarmpressuremwillmbecomemduringmnormalmspontaneousmventilation.mDuri
ngmthemexhalationmofmamnormalmspontaneousmbreathmthemalveolarmpressuremwillmbecomem+1mcmmH2O.
DIF: 1 REF:mpg.m3
5. Thempressuremrequiredmtommaintainmalveolarminflationmismknownmasmwhichmofmthemfollowing?
a. Transairwaympressurem(PTAm)
b. Transthoracicmpressurem(PTT)
c. Transrespiratorympressurem(PTR)
d. Transpulmonarympressurem(PL)
ANS:mD
Themdefinitionmofmtranspulmonarympressurem(PL)mismthempressuremrequiredmtommaintainmalveolarminflatio
n.mTransairwaympressurem(PTAm)mismthempressuremgradientmrequiredmtomproducemairflowminmthemconductin
gmtubes.mTransrespiratorympressurem(PTR)mismthempressuremtominflatemthemlungsmandmairwaysmduringmposi
tivempressuremventilation.mTransthoracicmpressurem(PTT)mrepresentsmthempressuremrequiredmtomexpandmo
rmcontractmthemlungsmandmthemchestmwallmatmthemsamemtime.
