ADVANCED FETAL MONITORING QUESTIONS
WITH ANSWERS 2025
Cata1a-acorrectaanswers-whatacategoryarulesaoutafetalaacidemia?
Severeaastha,acardiacaissues,aandaecclampicaseizuresa-acorrectaanswers-
whatamaternalaconditionsagreatlyaimpactafetalaoxygenation?
Intervillousaspacea-acorrectaanswers-
whereadoesatheaexchangeaofao2aandanutrientsatakeaplace?
O2aentersatheaintervillousaspaceaviaatheamaternalaarteries,atoatheavilliathenatheaumbilicalavei
natakeatheao2abloodatoatheafetus.atheaumbilicalaarteriesatakeatheadeo2abloodafromatheababyat
hroughatheavilliaandabackatoatheamothera-acorrectaanswers-
howaisao2abloodatransferredatoatheafetus?
Highatoalowaconcentrationa
Momatoafetusaforao2a
Lowatoahighaconcentrationaforaco2asoababyatoamoma-acorrectaanswers-Diffusion
Diffusiona-acorrectaanswers-howaisao2atransferredafromamomatoababy
Carryao2aintoaintervillousaspacea
Areamaximallyadilatedasoatheyacananotabeaincreaseda-acorrectaanswers-
explainaspiralaarteriesainaplacenta
Maternalaconditionsalikeapre-eaandacardiacadisease
Maternalahypotensiona
Placentalachanges-Aabruptions,Ainfections,Aedema,aorasmallerasize
Excessiveauterineaactivitya
Vasoconstrictiona-acorrectaanswers-
whataareafactorsathatacanadecreaseauteroplacentalabloodaflow?
Theyaareaconstrictedawhichadecreasesabloodaflowa-acorrectaanswers-
whatahappensatoatheaspiralaarteriesaduringapre-e?
Theaaortaaandavenaacavaagetacompresseda(20Aweeks)A-acorrectaanswers-
whyadoesatheasupineapositionacauseadecreasedauteroplactenalabloodaflow?
Blocksatheasympatheticapathwaya
Poolingaofabloodainathealoweraextremitiesadecreasesabloodaflowabackatoamomsaheartawhicha
decreasesabloodaflowatoatheafetusa-acorrectaanswers-
whyadoesamaternalahypotensionahappenaafteraregionalaanalgesia?
60%A-acorrectaanswers-
whatapercentageaisauteroplacentalabloodaflowadecreasedabyaduringacxts?
Environmentatoalungsatoaheartatoavasculatureatoauterusatoaplacentaatoaumbilicalacorda-
acorrectaanswers-explainatheapathwayaforamaternal-
afetalaexchangeaforafetalaoxygenationa(basic)
Limbs,Akidneys,aandadescendingaaortaa-acorrectaanswers-
whereaisathealeastao2abloodainatheafetus?
Umbilicalaveinaandaductousavenousa-acorrectaanswers-
whereaisatheamostao2abloodainatheafetus?
, Ductusavenosusa-acorrectaanswers-
connectsatheaumbilicalaveinatoatheainferioravenaacava,abypassingathealiver
Shuntathataallowsamostao2abloodatoafetalaheart
Ductusavenosus,aforamenaovale,aductusaarteriosusa-acorrectaanswers-
3aimportantashuntsainafetalacirculation
Foramenaovalea-acorrectaanswers-connectsatheatwoaatriaainatheafetalaheart
Allowsao2abloodatoaflowathroughatheaheartaandadirectlyatoatheabrain
Ductusaarteriosusa-acorrectaanswers-
aabloodavesselainaaafetusathatabypassesapulmonaryacirculationabyaconnectingatheapulmonar
yaarteryadirectlyatoatheaascendingaaorta
80-100aml/kga-acorrectaanswers-whataisaaanormalabloodavolumeaforaaafetusaataterm?
Increasedaheartaratea-acorrectaanswers-
whatahappensaifayouastimulateatheasympatheticanervousasystem?
Regulatesatheasympathetica-acorrectaanswers-
whatadoesatheaparasympatheticanervousasystemado?
Increasedaheartaratea-acorrectaanswers-
whatahappensawhenacatecholaminesa(sympathetic)agetareleased?
Theasympatheticadevelopsafirstasoathereaisanoaparasympatheticatoaregulateatheaheartaratea-
acorrectaanswers-whyadoapre-termersahaveaincreasedaheartarates?
Acetylcholineaisareleasedawhichadecreasesatheaintrinsicaheartaratea
Vagusastimulationa-acorrectaanswers-
whatahappensawhenatheaparasympatheticanervousasystemaisastimulated?
Protecta
Regulatesabpa-acorrectaanswers-whatadoabaroreceptorsado?
Decreasedafhr,abpaandacoa-acorrectaanswers-
whataeffectadoabaroreceptorsahaveaonatheafetus?
Theacordagetsacompressedaandathenafetalabpaincreasedawhichatriggersabaroreceptorsathata
decreasedatheafhrawhichaproducesaaavariablea-acorrectaanswers-
whatahappensawhenathereaisacordacompressiona(inaregardsatoabaroreceptors)?
Variablesa-acorrectaanswers-whatadecelsarelateatoabaroreceptors?
Latesa-acorrectaanswers-whatadecelsarelateatoachemoreceptors?
Increasedapco2
Decreasedapo2aandapha-acorrectaanswers-
whataactionatakesaplaceawhenachemoreceptorsaareastimulated?
Bradycardiaaandahypertensiona-acorrectaanswers-whataeffectadoachemoreceptorsahave?
Decreasedaoraabsentavariabilitya-acorrectaanswers-
Theastokeavolumeadoesanotafluctuatea-acorrectaanswers-
whatadiffersainafetalacoafromaadultaco?
Theacoadecreasesawhichaleadsatoahypoxiaaandaacidemiaa-acorrectaanswers-
whatahappensawhenatheafetalaheartadecreasesa(inaregardsatoaco)?
51-56%A-acorrectaanswers-whataisatheafetalahct?
Increasedahct
Fetalahbgahasaaahigheraaffinityaforao2a
Fetalahraandacoaisaincreasedawhicharesultsainarapidacirculationaofao2ablooda-
acorrectaanswers-whataarea3afetalaphysiologicaadaptationsafromatheamother?
Increasedabloodaflowatoavitalaorgansa(heart,Abrain,Aadrenals)
WITH ANSWERS 2025
Cata1a-acorrectaanswers-whatacategoryarulesaoutafetalaacidemia?
Severeaastha,acardiacaissues,aandaecclampicaseizuresa-acorrectaanswers-
whatamaternalaconditionsagreatlyaimpactafetalaoxygenation?
Intervillousaspacea-acorrectaanswers-
whereadoesatheaexchangeaofao2aandanutrientsatakeaplace?
O2aentersatheaintervillousaspaceaviaatheamaternalaarteries,atoatheavilliathenatheaumbilicalavei
natakeatheao2abloodatoatheafetus.atheaumbilicalaarteriesatakeatheadeo2abloodafromatheababyat
hroughatheavilliaandabackatoatheamothera-acorrectaanswers-
howaisao2abloodatransferredatoatheafetus?
Highatoalowaconcentrationa
Momatoafetusaforao2a
Lowatoahighaconcentrationaforaco2asoababyatoamoma-acorrectaanswers-Diffusion
Diffusiona-acorrectaanswers-howaisao2atransferredafromamomatoababy
Carryao2aintoaintervillousaspacea
Areamaximallyadilatedasoatheyacananotabeaincreaseda-acorrectaanswers-
explainaspiralaarteriesainaplacenta
Maternalaconditionsalikeapre-eaandacardiacadisease
Maternalahypotensiona
Placentalachanges-Aabruptions,Ainfections,Aedema,aorasmallerasize
Excessiveauterineaactivitya
Vasoconstrictiona-acorrectaanswers-
whataareafactorsathatacanadecreaseauteroplacentalabloodaflow?
Theyaareaconstrictedawhichadecreasesabloodaflowa-acorrectaanswers-
whatahappensatoatheaspiralaarteriesaduringapre-e?
Theaaortaaandavenaacavaagetacompresseda(20Aweeks)A-acorrectaanswers-
whyadoesatheasupineapositionacauseadecreasedauteroplactenalabloodaflow?
Blocksatheasympatheticapathwaya
Poolingaofabloodainathealoweraextremitiesadecreasesabloodaflowabackatoamomsaheartawhicha
decreasesabloodaflowatoatheafetusa-acorrectaanswers-
whyadoesamaternalahypotensionahappenaafteraregionalaanalgesia?
60%A-acorrectaanswers-
whatapercentageaisauteroplacentalabloodaflowadecreasedabyaduringacxts?
Environmentatoalungsatoaheartatoavasculatureatoauterusatoaplacentaatoaumbilicalacorda-
acorrectaanswers-explainatheapathwayaforamaternal-
afetalaexchangeaforafetalaoxygenationa(basic)
Limbs,Akidneys,aandadescendingaaortaa-acorrectaanswers-
whereaisathealeastao2abloodainatheafetus?
Umbilicalaveinaandaductousavenousa-acorrectaanswers-
whereaisatheamostao2abloodainatheafetus?
, Ductusavenosusa-acorrectaanswers-
connectsatheaumbilicalaveinatoatheainferioravenaacava,abypassingathealiver
Shuntathataallowsamostao2abloodatoafetalaheart
Ductusavenosus,aforamenaovale,aductusaarteriosusa-acorrectaanswers-
3aimportantashuntsainafetalacirculation
Foramenaovalea-acorrectaanswers-connectsatheatwoaatriaainatheafetalaheart
Allowsao2abloodatoaflowathroughatheaheartaandadirectlyatoatheabrain
Ductusaarteriosusa-acorrectaanswers-
aabloodavesselainaaafetusathatabypassesapulmonaryacirculationabyaconnectingatheapulmonar
yaarteryadirectlyatoatheaascendingaaorta
80-100aml/kga-acorrectaanswers-whataisaaanormalabloodavolumeaforaaafetusaataterm?
Increasedaheartaratea-acorrectaanswers-
whatahappensaifayouastimulateatheasympatheticanervousasystem?
Regulatesatheasympathetica-acorrectaanswers-
whatadoesatheaparasympatheticanervousasystemado?
Increasedaheartaratea-acorrectaanswers-
whatahappensawhenacatecholaminesa(sympathetic)agetareleased?
Theasympatheticadevelopsafirstasoathereaisanoaparasympatheticatoaregulateatheaheartaratea-
acorrectaanswers-whyadoapre-termersahaveaincreasedaheartarates?
Acetylcholineaisareleasedawhichadecreasesatheaintrinsicaheartaratea
Vagusastimulationa-acorrectaanswers-
whatahappensawhenatheaparasympatheticanervousasystemaisastimulated?
Protecta
Regulatesabpa-acorrectaanswers-whatadoabaroreceptorsado?
Decreasedafhr,abpaandacoa-acorrectaanswers-
whataeffectadoabaroreceptorsahaveaonatheafetus?
Theacordagetsacompressedaandathenafetalabpaincreasedawhichatriggersabaroreceptorsathata
decreasedatheafhrawhichaproducesaaavariablea-acorrectaanswers-
whatahappensawhenathereaisacordacompressiona(inaregardsatoabaroreceptors)?
Variablesa-acorrectaanswers-whatadecelsarelateatoabaroreceptors?
Latesa-acorrectaanswers-whatadecelsarelateatoachemoreceptors?
Increasedapco2
Decreasedapo2aandapha-acorrectaanswers-
whataactionatakesaplaceawhenachemoreceptorsaareastimulated?
Bradycardiaaandahypertensiona-acorrectaanswers-whataeffectadoachemoreceptorsahave?
Decreasedaoraabsentavariabilitya-acorrectaanswers-
Theastokeavolumeadoesanotafluctuatea-acorrectaanswers-
whatadiffersainafetalacoafromaadultaco?
Theacoadecreasesawhichaleadsatoahypoxiaaandaacidemiaa-acorrectaanswers-
whatahappensawhenatheafetalaheartadecreasesa(inaregardsatoaco)?
51-56%A-acorrectaanswers-whataisatheafetalahct?
Increasedahct
Fetalahbgahasaaahigheraaffinityaforao2a
Fetalahraandacoaisaincreasedawhicharesultsainarapidacirculationaofao2ablooda-
acorrectaanswers-whataarea3afetalaphysiologicaadaptationsafromatheamother?
Increasedabloodaflowatoavitalaorgansa(heart,Abrain,Aadrenals)