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Test Bank for Neonatal and Pediatric Respiratory Care, 6th Edition by Brian Walsh, ISBN: 9780323793094, All 42 Chapters Covered with Answers and Rationales
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Test Bank for Neonatal and Pediatric Respiratory Care, 6th Edition by Brian Walsh, ISBN: 9780323793094, All 42 Chapters Covered with Answers and Rationales Test Bank for Neonatal and Pediatric Respiratory Care, 6th Edition by Brian Walsh, ISBN: 9780323793094, All 42 Chapters Covered with Answers a...

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  • October 26, 2024
  • 277
  • 2024/2025
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  • 9780323793094
  • neonatal
  • respiratory care
  • brian k walsh
  • neonatal and pediatric respiratory care 6th editi
  • test bank for neonatal and pediatric respiratory c
  • pediatric respiratory care 6th edition

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  • TEST BANK FOR Neonatal & Pediatric Respiratory Care. by Brian K. Walsh 6th Edition All Chapters| 100% Verified Answers| 2024/2025|978-0323793094
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Test Bank for Neonatal and Pediatric Respiratory
Care, 6th Edition
by Brian K. Walsh

,Chapter 1: Fetal Lung Developme
G G G G

nt Test Bank
G G


MULTIPLEGCHOICE

1. WhichGofGtheGfollowingGphasesGofGhumanGlungGdevelopmentGisGcharacterizedGbyGtheGforma
tionGofGaGcapillaryGnetworkGaroundGairwayGpassages?
a. Pseudoglandular
b. Saccular
c. Alveolar
d. Canalicular
ANS:G D
TheGcanalicularGphaseGfollowsGtheGpseudoglandularGphase,GlastingGfromGapproximatelyG17G
weeksGtoG26GweeksGofGgestation.GThisGphaseGisGsoGnamedGbecauseGofGtheGappearanceGofGvasc
ularGchannels,GorGcapillaries,GwhichGbeginGtoGgrowGbyGformingGaGcapillaryGnetworkGaroundGt
heGairGpassages.GDuringGtheGpseudoglandularGstage,GwhichGbeginsGatGdayG52GandGextendsGto
GweekG16GofGgestation,GtheGairwayGsystemGsubdividesGextensivelyGandGtheGconductingGairwa

yGsystemGdevelops,GendingGwithGtheGterminalGbronchioles.GTheGsaccularGstageGofGdevelopme
nt,GwhichGtakesGplaceGfromGweeksG29GtoG36GofGgestation,GisGcharacterizedGbyGtheGdevelopme
ntGofGsacsGthatGlaterGbecomeGalveoli.GDuringGtheGsaccularGphase,GaGtremendousGincreaseGinGth
eGpotential
gas-
exchangingGsurfaceGareaGoccurs.GTheGdistinctionGbetweenGtheGsaccularGstageGandGtheGalv
eolarGstageGisGarbitrary.GTheGalveolarGstageGstretchesGfromG39GweeksGofGgestationGtoGter
m.GThisGstageGisGrepresentedGbyGtheGestablishmentGofGalveoli.

REF:G pp.GGG 3-5

2. RegardingGpostnatalGlungGgrowth,GbyGapproximatelyGwhatGageGdoGmostGofGtheGalveoliGthat
GwillGbeGpresentGinGtheGlungsGforGlifeGdevelop?
a. 6Gmonths
b. 1Gyear
c. 1.5Gyears
d. 2Gyears
ANS:G C
MostGofGtheGpostnatalGformationGofGalveoliGinGtheGinfantGoccursGoverGtheGfirstG1.5GyearsGofGl
ife.GAtG2GyearsGofGage,GtheGnumberGofGalveoliGvariesGsubstantiallyGamongGindividuals.GAfterG
2GyearsGofGage,GmalesGhaveGmoreGalveoliGthanGdoGfemales.GAfterGalveolarGmultiplicationGend
s,GtheGalveoliGcontinueGtoGincreaseGinGsizeGuntilGthoracicGgrowthGisGcompleted.

REF:Gp.G6

3. TheGrespiratoryGtherapistGisGevaluatingGaGnewbornGwithGmildGrespiratoryGdistressGdueGtoGtr
achealGstenosis.GDuringGwhichGperiodGofGlungGdevelopmentGdidGthisGproblemGdevelop?
a. Embryonal
b. Saccular
c. Canalicular
d. Alveolar
ANS:G A

, TheGinitialGstructuresGofGtheGpulmonaryGtreeGdevelopGduringGtheGembryonalGstage.GErrorsG
inGdevelopmentGduringGthisGtimeGmayGresultGinGlaryngeal,Gtracheal,GorGesophagealGatresiaG
orGstenosis.GPulmonaryGhypoplasia,GanGincompleteGdevelopmentGofGtheGlungsGcharacterized
GbyGanG abnormallyGlowGnumberGand/orGsizeGofGbronchopulmonaryGsegmentsGand/orGalveol
i,GcanGdevelopGduringGtheGpseudoglandularGphase.GIfGtheGfetusGisGbornGduringGtheGcanalicul
arGphaseG(i.e.,Gprematurely),GsevereGrespiratoryGdistressGcanGbeGexpectedGbecauseGtheGinade
quatelyGdevelopedGairways,GalongGwithGinsufficientGandGimmatureGsurfactantGproductionGb
yGalveolarGtypeGIIGcells,GgivesGriseGtoGtheGconstellationGofGproblemsGknownGasGinfantGrespira
toryGdistressGsyndrome.

REF:GGGp.G6

4. WhichGofGtheGfollowingGmechanismsGisG(are)GresponsibleGforGtheGpossibleGassociationGbetw
eenGoligohydramniosGandGlungGhypoplasia?

I. AbnormalGcarbohydrateGmetabolism
II. MechanicalGrestrictionGofGtheGchestGwall
III. InterferenceGwithGfetalGbreathing
IV. FailureGtoGproduceGfetalGlungGliquid
a. IGandGIIIGonly
b. IIGandGIIIGonly
c. I,GII,GandGIVGonly
d. II,GIII,GandGIVGonly
ANS:G D
Oligohydramnios,GaGreducedGquantityGofGamnioticGfluidGpresentGforGanGextendedGperiodGofGtim
e,
withGorGwithoutGrenalGanomTaE lieSsT
,GiB
sGA
asNsoKcS
iaE
teLdLwEitR
hG.luCnO
gGM
hypoplasia.GTheGmechanismsGbyG
GwhichGamnioticGfluidGvolumeGinfluencesGlungGgrowthGremainGunclear.GPossibleGexplanations
Gfor

reducedGquantityGofGamnioticGfluidGincludeGmechanicalGrestrictionGofGtheGchestGwall,Ginterf
erenceGwithGfetalGbreathing,GorGfailureGtoGproduceGfetalGlungGliquid.GTheseGclinicalGandGex
perimentalGobservationsGpossiblyGpointGtoGaGcommonGdenominator,GlungGstretch,GasGbeing
GaGmajorGgrowthGstimulant.

REF:Gpp.G6-7

5. WhatGisGtheGpurposeGofGtheGsubstanceGsecretedGbyGtheGtypeGIIGpneumocyte?
a. ToGincreaseGtheGgasGexchangeGsurfaceGarea
b. ToGreduceGsurfaceGtension
c. ToGmaintainGlungGelasticity
d. ToGpreserveGtheGvolumeGofGtheGamnioticGfluid
ANS:G B
TheGprimaryGroleGofGmammalianGsurfactantGisGtoGlowerGtheGsurfaceGtensionGwithinGtheGalveo
lus,GspecificallyGatGtheGair–
liquidGinterface.GThisGallowsGtheGdelicateGstructureGofGtheGalveolusGtoGexpandGwhenGfilledGwi
thGair.GWithoutGsurfactant,GtheGalveolusGremainsGcollapsedGbecauseGofGtheGhighGsurfaceGtensi
onGofGtheGmoistGalveolarGsurface.GSurfactantGisGcomposedGpredominantlyGofGanGintricateGble
ndGofGphospholipids,GneutralGlipids,GandGproteins.

REF:Gp.G8

, 6. WhichGofGtheGfollowingGtestsGofGtheGamnioticGfluidGhaveGbeenGshownGtoGbeGsensitiveGindica
torsGofGlungGmaturity?
a. LevelsGofGprednisone
b. LevelsGofGepidermalGgrowthGfactor
c. LevelsGofGprostaglandins
d. LevelsGofGphosphatidylglycerolGandGphosphatidylcholine
ANS:G D
OfGclinicalGrelevanceGduringGlateGgestation,GanalysisGofGamnioticGfluidGforGtheGconcentratio
nGofGphosphatidylglycerolGandGphosphatidylcholineGhasGbeenGshownGtoGbeGaGsensitiveGindic
atorGofGtheGstateGofGfetalGlungGmaturity.

REF:Gp.G8

7.GApproximatelyGhowGmuchGfetalGlungGfluidGisGsecretedGdaily?
a.GAboutG150GtoG200Gml
b.GAboutG250GtoG300Gml
c.GAboutG350GtoG400Gml
d.GAboutG450GtoG500Gml

ANS:GB

FetalGlungsGareGsecretoryGorgansGthatGmakeGbreathing-
likeGmovementsGbutGserveGnoGrespiratoryGfunctionGbeforeGbirth.GTheyGsecreteG
aboutG250GtoG300GmlGofGliquidGperGday.


G8.GTheGlungGbudGemergesGfromGwhichGofGtheGfollowingGstructures?
a.GTheGpharynx
b.GTheGforegut
c.GTheGmesenchyme
d.GTheGtubularGepithelium

ANS:GA

TheGembryonalGphaseGincludesGprimitiveGlungGdevelopmentGandGisGgenerallyGregardedGtoGencompassGtheGfirstG2
GmonthsGofGgestation.G

TheGlungGbeginsGtoGemergeGasGaGbudGfromGtheGpharynxG26GdaysGafterGconception.

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