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CCI practice exam from ESP questions and answers
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CCI practice exam from ESP questions and answers
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CCI practice exam from ESP questionsand answers
At what time during fetal growth is the heart first fully developed? - Answer -40 Days
On the 30th day, the truncus normally divides. What anomaly occurs if the truncus does
not divide? - Answer -truncus arteriosus
The sinus venosus forms: - Answer -coronary sinus, right atrium and inferior vena cava
The truncus arteriosus forms: - Answer -carotid artery, pulmonary arteries and ductus
arteriosus
What are the two right-to-left shunts in the normal fetal circulation? - 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? - 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 blood flow?
- Answer -pulmonary veins
What hemodynamic events occur post-delivery? - Answer -pulmonary artery blood flow
increases, pulmonary resistance decreases, and foramen ovale flow decreases
The fetal ductus arteriosus closes soon after birth. What structure does it become? -
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? - Answer -aortic isthmus
The following 5 structures are activated during a single cardiac cycle. Rank them in the
normal order of activation:
Bundle of His, purkinje fibers, AV node, SA node and left bundle branch - Answer -SA
node, AV node, bundle of His, left bundle branch, purkinje fibers
, Which of the following structures is the primary pacemaker of the heart? - Answer -SA
node
During the resting state, which ions are pumped out of the cells of the myocardium? -
Answer -sodium
Following electrical depolarization of the myocardial cell membrane, which ion rushes in
first and which ion rushes in later? - Answer -sodium followed by calcuim
Which ions help to slow heart muscle contractions? - Answer -potassium
In the cardiac cell action potential, what phases are included in the absolute refractory
period? - Answer -phase 1 into phase 3
When contracting against which of the following pressures will the velocity of muscle
cell contraction be most rapid?
a. 75 mmHG
b. 100 mmHg
c. 125 mmHg
d. 150 mmHg - Answer -75 mmHg
What happens to the beat following a premature ventricular contraction? - Answer -The
beat is stronger than a typical beat
What is the Frank-Starling Law? - Answer -The more heart muscle is stretched, the
more forcefully it contracts
What best describes preload? - Answer -left ventricular filling
All of the following tend to increase preload except?
a. MR
b. AI
c. AS
d. volume overload - Answer -AS
Which best describes afterload? - Answer -aortic pressure
All of the following tend to increase afterload except?
a. MR
b. AS
c. ASH
d. HTN - Answer -MR
What is the predominant echo finding associated with increased afterload? - Answer -
LVH
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