CCI Echo Exam Questions and Answers Already Passed
At what time during fetal growth is the heart first fully developed?
a) 20 days
b) 30 days
c) 40 days
d) 50 days - Answers 40 days
On the 30th day, the truncus normally divides. What anomaly occurs if the truncus does not divide?
a) A-V canal
b) muscular VSD
c) transposition of the great vessels
d) truncus arteriosus - Answers truncus arteriosus
What are the two right-to-left shunts in the normal fetal circulation?
a) ductus arterioles and primum ASD
b) VSD and ASD
c) foramen ovale and ductus arteriosus
d) foramen ovale and VSD - Answers foramen ovale and ductus arteriosus
Which of the following left-to-right shunts is the last to close in the normal post-partum period? When
does it close?
a) patent ductus arteriosus, closes in the 7th day
b) patent foramen ovale, closes in the 2nd day
c) patent ductus arteriosus, closes in the 14th day
d) patent foramen ovale, close at the end of the first week - Answers patent foramen ovale, close at the
end of the first week
All of the following hemodynamic events occur post-delivery EXCEPT:
a) pulmonary artery blood flow increases
b) left atrial pressure decreases
,c) pulmonary resistance decreases
d) foramen ovale flow decreases - Answers left atrial pressure decreases
The fetal ductus arteriosus closes soon after birth? What structure does it become?
a) coronary sinus
b) chiari network
c) eustachian valve
d) ligamentum arteriosum - Answers ligamentum arteriosum
The following five structures are activated during a single cardiac cycle. Rank them in the normal order
of activation:
a) Bundle of His
b) Purkinje fibers
c) AV node
d) SA node
e) Left bundle branch - Answers 1) SA node
2) AV node
3) Bundle of His
4) Left bundle branch
5) Purkinje fibers
Which of the following structures is the primary pacemaker of the heart?
a) Bundle of His
b) Purkinje fibers
c) AV node
d) SA node - Answers SA node
What happens to the beat following a premature ventricular depolarization?
a) the beat is weaker than a typical beat
b) the beat is shorter than a typical beat
, c) the beat is similar to a typical beat
d) the beat is stronger than a typical beat - Answers the beat is stronger than a typical beat
What is the Frank-Starling Law?
a) the more heart muscle is stretched, the more forcefully it contracts
b) the more heart muscle is stretched, the faster it contracts
c)the less heart muscle is stretched, the more cardiac output is generated
d) the higher the left atrial pressure, the slower cardiac muscle contract - Answers the more heart
muscle is stretched, the more forcefully it contracts
Which of the following best describes preload?
a) left ventricular emptying
b) LV filling
c) LV systolic pressure
d) ejection fraction - Answers LV filling
All of the following tend to increase preload EXCEPT:
a) MR
b) AI
c) AS
d) volume overload - Answers AS
Which of the following best describes afterload?
a) LV end-diastolic pressure
b) aortic pressure
c) ejection fraction
d) LV filling - Answers aortic pressure
All of the following tend to increase after load EXCEPT:
a) MR
b) AS
At what time during fetal growth is the heart first fully developed?
a) 20 days
b) 30 days
c) 40 days
d) 50 days - Answers 40 days
On the 30th day, the truncus normally divides. What anomaly occurs if the truncus does not divide?
a) A-V canal
b) muscular VSD
c) transposition of the great vessels
d) truncus arteriosus - Answers truncus arteriosus
What are the two right-to-left shunts in the normal fetal circulation?
a) ductus arterioles and primum ASD
b) VSD and ASD
c) foramen ovale and ductus arteriosus
d) foramen ovale and VSD - Answers foramen ovale and ductus arteriosus
Which of the following left-to-right shunts is the last to close in the normal post-partum period? When
does it close?
a) patent ductus arteriosus, closes in the 7th day
b) patent foramen ovale, closes in the 2nd day
c) patent ductus arteriosus, closes in the 14th day
d) patent foramen ovale, close at the end of the first week - Answers patent foramen ovale, close at the
end of the first week
All of the following hemodynamic events occur post-delivery EXCEPT:
a) pulmonary artery blood flow increases
b) left atrial pressure decreases
,c) pulmonary resistance decreases
d) foramen ovale flow decreases - Answers left atrial pressure decreases
The fetal ductus arteriosus closes soon after birth? What structure does it become?
a) coronary sinus
b) chiari network
c) eustachian valve
d) ligamentum arteriosum - Answers ligamentum arteriosum
The following five structures are activated during a single cardiac cycle. Rank them in the normal order
of activation:
a) Bundle of His
b) Purkinje fibers
c) AV node
d) SA node
e) Left bundle branch - Answers 1) SA node
2) AV node
3) Bundle of His
4) Left bundle branch
5) Purkinje fibers
Which of the following structures is the primary pacemaker of the heart?
a) Bundle of His
b) Purkinje fibers
c) AV node
d) SA node - Answers SA node
What happens to the beat following a premature ventricular depolarization?
a) the beat is weaker than a typical beat
b) the beat is shorter than a typical beat
, c) the beat is similar to a typical beat
d) the beat is stronger than a typical beat - Answers the beat is stronger than a typical beat
What is the Frank-Starling Law?
a) the more heart muscle is stretched, the more forcefully it contracts
b) the more heart muscle is stretched, the faster it contracts
c)the less heart muscle is stretched, the more cardiac output is generated
d) the higher the left atrial pressure, the slower cardiac muscle contract - Answers the more heart
muscle is stretched, the more forcefully it contracts
Which of the following best describes preload?
a) left ventricular emptying
b) LV filling
c) LV systolic pressure
d) ejection fraction - Answers LV filling
All of the following tend to increase preload EXCEPT:
a) MR
b) AI
c) AS
d) volume overload - Answers AS
Which of the following best describes afterload?
a) LV end-diastolic pressure
b) aortic pressure
c) ejection fraction
d) LV filling - Answers aortic pressure
All of the following tend to increase after load EXCEPT:
a) MR
b) AS
