Test Bank for Pilbeams Mechanical Ventilation 7th Edition by Cairo Complete Solution

TEST BANK FOR PILBEA
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M'S MECHANICALVENTIL
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ATION: PHYSIOLOGICAL
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AND CLINICAL m




APPLICATIONS 7TH EDI m m




TION BY JAMES M. CAIR
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O(ALL CHAPTERS COVm m




RED) ISBN:978- m




0323551274
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,Chapterm1;mBasicmTermsmandmConceptsmofmMechanicalmVentilationmTestmBank



MULTIPLEmCHOICE



1. Thembody’smmechanismmformconductingmairminmandmoutmofmthemlungsmismknownmasmwhichm
ofmthemfollowing?

a. Externalmrespiration

b. Internalmrespiration

c. Spontaneousmventilation

d. Mechanicalmventilation



ANS:mC

Themconductionmofmairminmandmoutmofmthembodymismknownmasmventilation.mSincemthemquestionmasksmformt
hembody’smmechanism,mthismwouldmbemspontaneousmventilation.mExternalmrespirationminvolvesmthemexch
angemofmoxygenm(O2)mandmcarbonmdioxidem(CO2)mbetweenmthemalveolimandmthempulmonarymcapillaries.mI
nternalmrespirationmoccursmatmthemcellularmlevelmandminvolvesmmovementmofmoxygenmfrommthemsystemi
cmbloodmintomthemcells.



DIF: 1 REF:mpg.m3



2. Whichmofmthemfollowingmareminvolvedminmexternalmrespiration?

a. Redmbloodmcellsmandmbodymcells

b. Scalenesmandmtrapeziu

smmuscles

c. Alveolimandmpulmonar

ymcapillaries

d. Externalmobliquemand

m transversemabdominalmmuscl

es

,ANS:mC

Externalmrespirationminvolvesmthemexchangemofmoxygenmandmcarbonmdioxidem(CO2)mbetweenmthemalveolim
andmthempulmonarymcapillaries.mInternalmrespirationmoccursmatmthemcellularmlevelmandminvolvesmmoveme
ntmofmoxygenmfrommthemsystemicmbloodmintomthemcells.

Scalenemandmtrapeziusmmusclesmaremaccessorymmusclesmofminspiration.mExternalmobliquemandmtransversemab
dominalmmusclesmaremaccessorymmusclesmofmexpiration.




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:

.

, a. -m1mcmmH2O

b. +m1mcmmH2O

c. 0mcmmH2O

d. 5mcmmH2O



ANS:mA

-
1mcmmH2Omismthemlowestmalveolarmpressuremwillmbecomemduringmnormalmspontaneousmventilation.mDurin
gmthemexhalationmofmamnormalmspontaneousmbreathmthemalveolarmpressuremwillmbecomem+1mcmmH2O.



DIF: 1 REF:mpg.m3



5. Thempressuremrequiredmtommaintainmalveolarminflationmismknownmasmwhichmofmthemfollowing?

a. Transairwaympressurem(PTAm)

b. Transthoracicmpressurem(PTT)

c. Transrespiratorympressurem(PTR)




d. Transpulmonarympressurem(PL)




ANS:mD

Themdefinitionmofmtranspulmonarympressurem(PL)mismthempressuremrequiredmtommaintainmalveolarminflati
on.mTransairwaympressurem(PTAm)mismthempressuremgradientmrequiredmtomproducemairflowminmthemconducti
ngmtubes.mTransrespiratorympressurem(PTR)mismthempressuremtominflatemthemlungsmandmairwaysmduringmpo
sitivempressuremventilation.mTransthoracicmpressurem(PTT)mrepresentsmthempressuremrequiredmtomexpand
mormcontractmthemlungsmandmthemchestmwallmatmthemsamemtime.