CCI ECHO QUESTIONS WITH
CORRECT ANSWERS 2025/2026
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AtAwhatAtimeAduringAfetalAgrowthAisAtheAheartAfirstAfullyAdeveloped?
a)A20Adays
b)A30Adays
c)A40Adays
d)A50AdaysA-AcorrectAanswers40Adays
OnAtheA30thAday,AtheAtruncusAnormallyAdivides.AWhatAanomalyAoccursAifAtheAtruncusAdoesAnot
Adivide?
a)AA-VAcanal
b)AmuscularAVSD
c)AtranspositionAofAtheAgreatAvessels
d)AtruncusAarteriosusA-AcorrectAanswerstruncusAarteriosus
TheAsinusAvenousAformsAallAofAtheAfollowingAEXCEPT:
a)AcoronaryAsinus
b)ApulmonaryAarteries
c)ArightAatrium
d)AinferiorAvenaAcavaA-AcorrectAanswerspulmonaryAarteries
TheAtrunksAarteriolesAformsAallAofAtheAfollowingAEXCEPT:
a)ApulmonaryAveins
b)AcarotidAartery
c)ApulmonaryAarteries
d)AductusAarteriosusA-AcorrectAanswerspulmonaryAveins
WhatAareAtheAtwoAright-to-leftAshuntsAinAtheAnormalAfetalAcirculation?
a)AductusAarteriolesAandAprimumAASD
b)AVSDAandAASD
c)AforamenAovaleAandAductusAarteriosus
,d)AforamenAovaleAandAVSDA-AcorrectAanswersforamenAovaleAandAductusAarteriosus
WhichAofAtheAfollowingAleft-to-rightAshuntsAisAtheAlastAtoAcloseAinAtheAnormalApost-
partumAperiod?AWhenAdoesAitAclose?
a)ApatentAductusAarteriosus,AclosesAinAtheA7thAday
b)ApatentAforamenAovale,AclosesAinAtheA2ndAday
c)ApatentAductusAarteriosus,AclosesAinAtheA14thAday
d)ApatentAforamenAovale,AcloseAatAtheAendAofAtheAfirstAweekA-
AcorrectAanswerspatentAforamenAovale,AcloseAatAtheAendAofAtheAfirstAweek
InAtheAnormalAfetalAcirculation,AwhichAofAtheAfollowingAhasAtheAleastAamountAofAtheAfloodAflow
?
a)ApatentAforamenAovale
b)AductusAarteriosus
c)Aaorta
d)ApulmonaryAveinsA-AcorrectAanswerspulmonaryAveins
AllAofAtheAfollowingAhemodynamicAeventsAoccurApost-deliveryAEXCEPT:
a)ApulmonaryAarteryAbloodAflowAincreases
b)AleftAatrialApressureAdecreases
c)ApulmonaryAresistanceAdecreases
d)AforamenAovaleAflowAdecreasesA-AcorrectAanswersleftAatrialApressureAdecreases
TheAfetalAductusAarteriosusAclosesAsoonAafterAbirth?AWhatAstructureAdoesAitAbecome?
a)AcoronaryAsinus
b)AchiariAnetwork
c)AeustachianAvalve
d)AligamentumAarteriosumA-AcorrectAanswersligamentumAarteriosum
TheAductusAarteriosusAconnectsAtheApulmonaryAarteryAandAaortaAinAtheAfetus.AAtAwhatAsiteAdo
esAtheAductusAattachAtoAtheAaorta?
a)AaorticAisthmusA
b)AaorticAroot
c)AsinusAofAValsalva
,d)AA-VAnodeA-AcorrectAanswersaorticAisthmus
TheAfollowingAfiveAstructuresAareAactivatedAduringAaAsingleAcardiacAcycle.ARankAthemAinAtheAno
rmalAorderAofAactivation:
a)ABundleAofAHis
b)APurkinjeAfibers
c)AAVAnode
d)ASAAnode
e)ALeftAbundleAbranchA-AcorrectAanswers1)ASAAnode
2)AAVAnode
3)ABundleAofAHis
4)ALeftAbundleAbranch
5)APurkinjeAfibers
WhichAofAtheAfollowingAstructuresAisAtheAprimaryApacemakerAofAtheAheart?
a)ABundleAofAHis
b)APurkinjeAfibers
c)AAVAnode
d)ASAAnodeA-AcorrectAanswersSAAnode
DuringAtheArestingAstate,AwhichAofAtheAfollowingAionsAareApumpedAoutAofAtheAcellsAofAtheAmyo
cardium?
a)Asodium
b)Apotassium
c)Aiodine
d)AmagnesiumA-AcorrectAanswerssodium
FollowingAelectricalAdepolarizationAofAtheAmyocardialAcellAmembrane,AwhichAionArushesAinAfirs
t,AandAwhichAionArushesAinAlater?
a)ApotassiumAfollowedAbyAsodium
b)AsodiumAfollowedAbyAcalcium
c)AcalciumAfollowedAbyApotassium
d)ApotassiumAfollowedAbyAcalciumA-AcorrectAanswerssodiumAfollowedAbyAcalcium
, WhichAofAtheAfollowingAionsAhelpsAslowAheartAmuscleAcontraction?
a)Asodium
b)Apotassium
c)Acalcium
d)AmagnesiumA-AcorrectAanswerspotassium
InAtheAcardiacAcellAactionApotential,AwhatAphasesAareAincludedAinAtheAabsoluteArefractoryAperio
d?
a)AphasesA1AintoAphaseA3
b)AphasesA2AthruA4
c)AphaseA1Aonly
d)AphaseA2AtoAtheAmiddleAofAphaseA3A-AcorrectAanswersphasesA1AintoAphaseA3
WhenAcontractingAagainstAwhichAofAtheAfollowingApressuresAwillAtheAvelocityAofAmuscleAcellAco
ntractionAbeAmostArapid?
a)A75AmmHg
b)A100AmmHg
c)A125AmmHg
d)A150AmmHgA-AcorrectAanswers75mmHg
WhatAhappensAtoAtheAbeatAfollowingAaAprematureAventricularAdepolarization?
a)AtheAbeatAisAweakerAthanAaAtypicalAbeat
b)AtheAbeatAisAshorterAthanAaAtypicalAbeat
c)AtheAbeatAisAsimilarAtoAaAtypicalAbeat
d)AtheAbeatAisAstrongerAthanAaAtypicalAbeatA-
AcorrectAanswerstheAbeatAisAstrongerAthanAaAtypicalAbeat
WhatAisAtheAFrank-StarlingALaw?
a)AtheAmoreAheartAmuscleAisAstretched,AtheAmoreAforcefullyAitAcontracts
b)AtheAmoreAheartAmuscleAisAstretched,AtheAfasterAitAcontracts
c)theAlessAheartAmuscleAisAstretched,AtheAmoreAcardiacAoutputAisAgenerated
d)AtheAhigherAtheAleftAatrialApressure,AtheAslowerAcardiacAmuscleAcontractA-
AcorrectAanswerstheAmoreAheartAmuscleAisAstretched,AtheAmoreAforcefullyAitAcontracts
CORRECT ANSWERS 2025/2026
Save
AtAwhatAtimeAduringAfetalAgrowthAisAtheAheartAfirstAfullyAdeveloped?
a)A20Adays
b)A30Adays
c)A40Adays
d)A50AdaysA-AcorrectAanswers40Adays
OnAtheA30thAday,AtheAtruncusAnormallyAdivides.AWhatAanomalyAoccursAifAtheAtruncusAdoesAnot
Adivide?
a)AA-VAcanal
b)AmuscularAVSD
c)AtranspositionAofAtheAgreatAvessels
d)AtruncusAarteriosusA-AcorrectAanswerstruncusAarteriosus
TheAsinusAvenousAformsAallAofAtheAfollowingAEXCEPT:
a)AcoronaryAsinus
b)ApulmonaryAarteries
c)ArightAatrium
d)AinferiorAvenaAcavaA-AcorrectAanswerspulmonaryAarteries
TheAtrunksAarteriolesAformsAallAofAtheAfollowingAEXCEPT:
a)ApulmonaryAveins
b)AcarotidAartery
c)ApulmonaryAarteries
d)AductusAarteriosusA-AcorrectAanswerspulmonaryAveins
WhatAareAtheAtwoAright-to-leftAshuntsAinAtheAnormalAfetalAcirculation?
a)AductusAarteriolesAandAprimumAASD
b)AVSDAandAASD
c)AforamenAovaleAandAductusAarteriosus
,d)AforamenAovaleAandAVSDA-AcorrectAanswersforamenAovaleAandAductusAarteriosus
WhichAofAtheAfollowingAleft-to-rightAshuntsAisAtheAlastAtoAcloseAinAtheAnormalApost-
partumAperiod?AWhenAdoesAitAclose?
a)ApatentAductusAarteriosus,AclosesAinAtheA7thAday
b)ApatentAforamenAovale,AclosesAinAtheA2ndAday
c)ApatentAductusAarteriosus,AclosesAinAtheA14thAday
d)ApatentAforamenAovale,AcloseAatAtheAendAofAtheAfirstAweekA-
AcorrectAanswerspatentAforamenAovale,AcloseAatAtheAendAofAtheAfirstAweek
InAtheAnormalAfetalAcirculation,AwhichAofAtheAfollowingAhasAtheAleastAamountAofAtheAfloodAflow
?
a)ApatentAforamenAovale
b)AductusAarteriosus
c)Aaorta
d)ApulmonaryAveinsA-AcorrectAanswerspulmonaryAveins
AllAofAtheAfollowingAhemodynamicAeventsAoccurApost-deliveryAEXCEPT:
a)ApulmonaryAarteryAbloodAflowAincreases
b)AleftAatrialApressureAdecreases
c)ApulmonaryAresistanceAdecreases
d)AforamenAovaleAflowAdecreasesA-AcorrectAanswersleftAatrialApressureAdecreases
TheAfetalAductusAarteriosusAclosesAsoonAafterAbirth?AWhatAstructureAdoesAitAbecome?
a)AcoronaryAsinus
b)AchiariAnetwork
c)AeustachianAvalve
d)AligamentumAarteriosumA-AcorrectAanswersligamentumAarteriosum
TheAductusAarteriosusAconnectsAtheApulmonaryAarteryAandAaortaAinAtheAfetus.AAtAwhatAsiteAdo
esAtheAductusAattachAtoAtheAaorta?
a)AaorticAisthmusA
b)AaorticAroot
c)AsinusAofAValsalva
,d)AA-VAnodeA-AcorrectAanswersaorticAisthmus
TheAfollowingAfiveAstructuresAareAactivatedAduringAaAsingleAcardiacAcycle.ARankAthemAinAtheAno
rmalAorderAofAactivation:
a)ABundleAofAHis
b)APurkinjeAfibers
c)AAVAnode
d)ASAAnode
e)ALeftAbundleAbranchA-AcorrectAanswers1)ASAAnode
2)AAVAnode
3)ABundleAofAHis
4)ALeftAbundleAbranch
5)APurkinjeAfibers
WhichAofAtheAfollowingAstructuresAisAtheAprimaryApacemakerAofAtheAheart?
a)ABundleAofAHis
b)APurkinjeAfibers
c)AAVAnode
d)ASAAnodeA-AcorrectAanswersSAAnode
DuringAtheArestingAstate,AwhichAofAtheAfollowingAionsAareApumpedAoutAofAtheAcellsAofAtheAmyo
cardium?
a)Asodium
b)Apotassium
c)Aiodine
d)AmagnesiumA-AcorrectAanswerssodium
FollowingAelectricalAdepolarizationAofAtheAmyocardialAcellAmembrane,AwhichAionArushesAinAfirs
t,AandAwhichAionArushesAinAlater?
a)ApotassiumAfollowedAbyAsodium
b)AsodiumAfollowedAbyAcalcium
c)AcalciumAfollowedAbyApotassium
d)ApotassiumAfollowedAbyAcalciumA-AcorrectAanswerssodiumAfollowedAbyAcalcium
, WhichAofAtheAfollowingAionsAhelpsAslowAheartAmuscleAcontraction?
a)Asodium
b)Apotassium
c)Acalcium
d)AmagnesiumA-AcorrectAanswerspotassium
InAtheAcardiacAcellAactionApotential,AwhatAphasesAareAincludedAinAtheAabsoluteArefractoryAperio
d?
a)AphasesA1AintoAphaseA3
b)AphasesA2AthruA4
c)AphaseA1Aonly
d)AphaseA2AtoAtheAmiddleAofAphaseA3A-AcorrectAanswersphasesA1AintoAphaseA3
WhenAcontractingAagainstAwhichAofAtheAfollowingApressuresAwillAtheAvelocityAofAmuscleAcellAco
ntractionAbeAmostArapid?
a)A75AmmHg
b)A100AmmHg
c)A125AmmHg
d)A150AmmHgA-AcorrectAanswers75mmHg
WhatAhappensAtoAtheAbeatAfollowingAaAprematureAventricularAdepolarization?
a)AtheAbeatAisAweakerAthanAaAtypicalAbeat
b)AtheAbeatAisAshorterAthanAaAtypicalAbeat
c)AtheAbeatAisAsimilarAtoAaAtypicalAbeat
d)AtheAbeatAisAstrongerAthanAaAtypicalAbeatA-
AcorrectAanswerstheAbeatAisAstrongerAthanAaAtypicalAbeat
WhatAisAtheAFrank-StarlingALaw?
a)AtheAmoreAheartAmuscleAisAstretched,AtheAmoreAforcefullyAitAcontracts
b)AtheAmoreAheartAmuscleAisAstretched,AtheAfasterAitAcontracts
c)theAlessAheartAmuscleAisAstretched,AtheAmoreAcardiacAoutputAisAgenerated
d)AtheAhigherAtheAleftAatrialApressure,AtheAslowerAcardiacAmuscleAcontractA-
AcorrectAanswerstheAmoreAheartAmuscleAisAstretched,AtheAmoreAforcefullyAitAcontracts
