CCI Practise UPDATED ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS

CCI Practise UPDATED ACTUAL EXAM
QUESTIONS AND CORRECT ANSWERS
At what time during fetal growth is the heart first fully developed? - CORRECT
ANSWERS 40 Days



Which of the following L-R shunts is the last to close in the normal post partum period?

When does it close? - CORRECT ANSWERS 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? - CORRECT ANSWERS Sodium



Following electrical depolarization of the myocardial cell membrane, which ion rushes in first,
and which ion rushes in later? - CORRECT ANSWERS sodium followed by calcium



Which ion helps slow heart muscle contraction? - CORRECT ANSWERS potassium



In the cardiac cell action potential, what phases are included in the absolute refractory period? -
CORRECT ANSWERS Phases 1 into Phase 3



When contracting against which of the following pressures will the velocity of muscle cell
contraction be most rapid? - CORRECT ANSWERS 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? - CORRECT
ANSWERS the beat is stronger than a typical beat