CCI Practice Exam Questions and answers, 100% Accurate, Graded A
At what time during fetal growth is the heart first fully developed? - 40 Days
Which of the following L-R shunts is the last to close in the normal post partum period?
When does it close? - Patent Foramen Ovale
closing at the ...
at what time during fetal growth is the heart first fully developed 40 days which of the following l r shunts is the last to close in the normal post partum period when does it close patent fo
CCI Practice Exam Questions and
answers, 100% Accurate, Graded A
At what time during fetal growth is the heart first fully developed? - ✔✔40 Days
Which of the following L-R shunts is the last to close in the normal post partum period?
When does it close? - ✔✔Patent Foramen Ovale
closing at the end of the first week
During the resting state, which of the following ions are pumped out of the cells of the myocardium? -
✔✔Sodium
Following electrical depolarization of the myocardial cell membrane, which ion rushes in first, and which
ion rushes in later? - ✔✔sodium followed by calcium
Which ion helps slow heart muscle contraction? - ✔✔potassium
In the cardiac cell action potential, what phases are included in the absolute refractory period? -
✔✔Phases 1 into Phase 3
When contracting against which of the following pressures will the velocity of muscle cell contraction be
most rapid? - ✔✔lowest pressure, the higher the pressure the more that it has to overcome in order to
contract
What happens to the beat following a premature ventricular depolarization? - ✔✔the beat is stronger
than a typical beat
All of the following increase preload - ✔✔MR
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