NCC EFM Exam Practice Questions
and Answers Updated 2026
OxygenBisBtransferredBfromBmomBtoBfetusBviaBtheBplacentaBthrough?B-
BAnswerPassiveB(Simple)BDiffusion
IntervillousBspaceBperfusionBisBdependentBon?B-BAnswerAdequateBUterineBBloodBFlow
MaternalBFetalBExchangeBisBbestBpromotedBbyBwhichBmaternalBposition?B-
BAnswerEitherBRtBorBLtBLateral
WhatBisBtransferBdownBtheBconcentrationBgradientBfromBhigherBtoBlowerBcalled?B-
BAnswerDiffusion
TheBmostBlikelyBphysicalBrationaleBforBrecurrentBlateBdecelsBafterBepiduralBis?B-
BAnswerMaternalBSympatheticBBlockade
WhichBFHRBpatternBwouldBbeBanticipatedBwhenBmonitoringBmono-monoBtwins?B-
BAnswerVariableBDecels
FetusBcanBsurviveBinBanBenvironmentBw/BaBPO2BequalBtoBadultBvenousBbloodBd/t?B-
BAnswerincreasedBO2BcarryingBcapacity
VariableBdecelsBareBmediatedBprimarilyBby?B-BAnswerbaroreceptors
TheBsympatheticBbranchBofBtheBANSBinfluencesBFHRBto?B-BAnswerincrease
theBaverageBdifferenceBinBbaselineBFHRBb/wB30B&B40BweeksBis?B-BAnswer10bpm
usuallyB5-6;B10BisBclosest
FetalBbloodBisBmostBhighlyBoxygenatedBinBthe?B-BAnswerDuctusBVenosous
AnBabruptBriseBinBfetalBbpBcanBstimulate?B-BAnswervariableBdecels
, DuringBanBacuteBepisodeBofBfetalBhypoxemia,BfetalBbloodBflowBisBredistributedBprimarilyBtoBt
he?B-BAnswerbrain
OverBtheBcourseBofBpregnancy,BtheBFHRBbaseline?B-BAnswerdecreases
FHRBvariabilityBisBdependentBupon?B-BAnswercerebralBoxygenBandBintactBCNS
chemoreceptorsBrespondBmainlyBto?B-BAnswerhypoxemia
pH:B7.22B
pCO2:B50
HCO3:B24
BE:B-3B-BAnswernormalBacid-baseBstatus
(ifBpHBisBnormal,BanswerBisBnormal)
FetalBrespiratoryBacademiaBisBindicatedBbyBaBpHBofB7.04BandBaBPCO2Bof?B-BAnswer>60
pH:B6.98
PCO2:B49
HCO3:B16
BE:-16B-BAnswermetabolicBacidemia
pH:B7.04
pCO2:B80
HCO3:B22
BE:B-4B-BAnswerrespiratoryBacidemia
FetalBmetabolicBacidemiaBisBindicatedBbyBanBumbilicalBarteryBcordBbloodBgasBpHBofB6.94B&B
BEBof?B-BAnswer>-12
DecelsBthatBoccurBwithB<50%Bctx:B-BAnswerintermittent
and Answers Updated 2026
OxygenBisBtransferredBfromBmomBtoBfetusBviaBtheBplacentaBthrough?B-
BAnswerPassiveB(Simple)BDiffusion
IntervillousBspaceBperfusionBisBdependentBon?B-BAnswerAdequateBUterineBBloodBFlow
MaternalBFetalBExchangeBisBbestBpromotedBbyBwhichBmaternalBposition?B-
BAnswerEitherBRtBorBLtBLateral
WhatBisBtransferBdownBtheBconcentrationBgradientBfromBhigherBtoBlowerBcalled?B-
BAnswerDiffusion
TheBmostBlikelyBphysicalBrationaleBforBrecurrentBlateBdecelsBafterBepiduralBis?B-
BAnswerMaternalBSympatheticBBlockade
WhichBFHRBpatternBwouldBbeBanticipatedBwhenBmonitoringBmono-monoBtwins?B-
BAnswerVariableBDecels
FetusBcanBsurviveBinBanBenvironmentBw/BaBPO2BequalBtoBadultBvenousBbloodBd/t?B-
BAnswerincreasedBO2BcarryingBcapacity
VariableBdecelsBareBmediatedBprimarilyBby?B-BAnswerbaroreceptors
TheBsympatheticBbranchBofBtheBANSBinfluencesBFHRBto?B-BAnswerincrease
theBaverageBdifferenceBinBbaselineBFHRBb/wB30B&B40BweeksBis?B-BAnswer10bpm
usuallyB5-6;B10BisBclosest
FetalBbloodBisBmostBhighlyBoxygenatedBinBthe?B-BAnswerDuctusBVenosous
AnBabruptBriseBinBfetalBbpBcanBstimulate?B-BAnswervariableBdecels
, DuringBanBacuteBepisodeBofBfetalBhypoxemia,BfetalBbloodBflowBisBredistributedBprimarilyBtoBt
he?B-BAnswerbrain
OverBtheBcourseBofBpregnancy,BtheBFHRBbaseline?B-BAnswerdecreases
FHRBvariabilityBisBdependentBupon?B-BAnswercerebralBoxygenBandBintactBCNS
chemoreceptorsBrespondBmainlyBto?B-BAnswerhypoxemia
pH:B7.22B
pCO2:B50
HCO3:B24
BE:B-3B-BAnswernormalBacid-baseBstatus
(ifBpHBisBnormal,BanswerBisBnormal)
FetalBrespiratoryBacademiaBisBindicatedBbyBaBpHBofB7.04BandBaBPCO2Bof?B-BAnswer>60
pH:B6.98
PCO2:B49
HCO3:B16
BE:-16B-BAnswermetabolicBacidemia
pH:B7.04
pCO2:B80
HCO3:B22
BE:B-4B-BAnswerrespiratoryBacidemia
FetalBmetabolicBacidemiaBisBindicatedBbyBanBumbilicalBarteryBcordBbloodBgasBpHBofB6.94B&B
BEBof?B-BAnswer>-12
DecelsBthatBoccurBwithB<50%Bctx:B-BAnswerintermittent
