Catz1z-zCORRECTzANSWER-Whatzcategoryzruleszoutzfetalzacidemia?
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Whatzmaternalzconditionszgreatlyzimpactzfetalzoxygenation?
intervillouszspacez-zCORRECTzANSWER-WherezdoeszthezexchangezofzO2zandznutrientsztakezplace?
O2zenterszthezintervillouszspacezviazthezmaternalzarteries,ztozthezvillizthenzthezumbilicalzveinztakezthezo2zb
loodztozthezfetus.zThezumbilicalzarteriesztakezthezdeO2zbloodzfromzthezbabyzthroughzthezvillizandzbackztozt
hezmotherz-zCORRECTzANSWER-Howziszo2zbloodztransferredztozthezfetus?
Highztozlowzconcentrationz
MomztozfetuszforzO2z
LowztozhighzconcentrationzforzCO2zsozbabyztozmomz-zCORRECTzANSWER-Diffusion
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CarryzO2zintozintervillouszspacez
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Maternalzconditionszlikezpre-ezandzcardiaczdisease
Maternalzhypotensionz
Placentalzchanges-zabruptions,zinfections,zedema,zorzsmallerzsize
Excessivezuterinezactivityz
Vasoconstrictionz-zCORRECTzANSWER-Whatzarezfactorszthatzcanzdecreasezuteroplacentalzbloodzflow?
, Theyzarezconstrictedzwhichzdecreaseszbloodzflowz-zCORRECTzANSWER-
Whatzhappensztozthezspiralzarterieszduringzpre-e?
Thezaortazandzvenazcavazgetzcompressedz(20zweeks)z-zCORRECTzANSWER-
Whyzdoeszthezsupinezpositionzcausezdecreasedzuteroplactenalzbloodzflow?
Blockszthezsympatheticzpathwayz
Poolingzofzbloodzinzthezlowerzextremitieszdecreaseszbloodzflowzbackztozmomszheartzwhichzdecreaseszbloo
dzflowztozthezfetusz-zCORRECTzANSWER-
Whyzdoeszmaternalzhypotensionzhappenzafterzregionalzanalgesia?
60%z-zCORRECTzANSWER-Whatzpercentageziszuteroplacentalzbloodzflowzdecreasedzbyzduringzcxts?
Environmentztozlungsztozheartztozvasculatureztozuterusztozplacentaztozumbilicalzcordz-zCORRECTzANSWER-
Explainzthezpathwayzforzmaternal-zfetalzexchangezforzfetalzoxygenationz(basic)
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Umbilicalzveinzandzductouszvenousz-zCORRECTzANSWER-WhereziszthezmostzO2zbloodzinzthezfetus?
Ductuszvenosusz-zCORRECTzANSWER-
Connectszthezumbilicalzveinztozthezinferiorzvenazcava,zbypassingzthezliver
ShuntzthatzallowszmostzO2zbloodztozfetalzheart
ductuszvenosus,zforamenzovale,zductuszarteriosusz-zCORRECTzANSWER-
3zimportantzshuntszinzfetalzcirculation
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