CCI ECHO EXAM PREP STUDY GUIDE
SUMMARY ACTUAL EXAM SOLVED
QUESTIONS VERIFIED ANSWERS GRADED A
PLUS REVISED EDITION
◉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 . Answer: truncus arteriosus
◉The sinus venous forms all of the following EXCEPT:
a) coronary sinus
b) pulmonary arteries
c) right atrium
d) inferior vena cava . Answer: pulmonary arteries
◉The trunks arterioles forms all of the following EXCEPT:
a) pulmonary veins
b) carotid artery
,c) pulmonary arteries
d) ductus arteriosus . Answer: pulmonary veins
◉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 . Answer: 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 . Answer:
patent foramen ovale, close at the end of the first week
◉In the normal fetal circulation, which of the following has the least
amount of the flood flow?
a) patent foramen ovale
b) ductus arteriosus
c) aorta
,d) pulmonary veins . Answer: pulmonary veins
◉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 . Answer: 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 . Answer: ligamentum arteriosum
◉The ductus arteriosus connects the pulmonary artery and aorta in the
fetus. At what site does the ductus attach to the aorta?
a) aortic isthmus
b) aortic root
c) sinus of Valsalva
d) A-V node . Answer: aortic isthmus
, ◉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 . Answer: 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 . Answer: SA node
◉During the resting state, which of the following ions are pumped out
of the cells of the myocardium?
a) sodium
b) potassium
SUMMARY ACTUAL EXAM SOLVED
QUESTIONS VERIFIED ANSWERS GRADED A
PLUS REVISED EDITION
◉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 . Answer: truncus arteriosus
◉The sinus venous forms all of the following EXCEPT:
a) coronary sinus
b) pulmonary arteries
c) right atrium
d) inferior vena cava . Answer: pulmonary arteries
◉The trunks arterioles forms all of the following EXCEPT:
a) pulmonary veins
b) carotid artery
,c) pulmonary arteries
d) ductus arteriosus . Answer: pulmonary veins
◉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 . Answer: 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 . Answer:
patent foramen ovale, close at the end of the first week
◉In the normal fetal circulation, which of the following has the least
amount of the flood flow?
a) patent foramen ovale
b) ductus arteriosus
c) aorta
,d) pulmonary veins . Answer: pulmonary veins
◉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 . Answer: 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 . Answer: ligamentum arteriosum
◉The ductus arteriosus connects the pulmonary artery and aorta in the
fetus. At what site does the ductus attach to the aorta?
a) aortic isthmus
b) aortic root
c) sinus of Valsalva
d) A-V node . Answer: aortic isthmus
, ◉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 . Answer: 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 . Answer: SA node
◉During the resting state, which of the following ions are pumped out
of the cells of the myocardium?
a) sodium
b) potassium
