CCI PRACTICE EXAM QUESTIONS WITH
CORRECT ANSWERS 2025-2026
At what time during fetal growth is the heart first fully developed? - CORRECT ANSWER -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 ANSWER -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 ANSWER -Sodium
Following electrical depolarization of the myocardial cell membrane, which ion rushes in first, and which
ion rushes in later? - CORRECT ANSWER -sodium followed by calcium
Which ion helps slow heart muscle contraction? - CORRECT ANSWER -potassium
In the cardiac cell action potential, what phases are included in the absolute refractory period? -
CORRECT ANSWER -Phases 1 into Phase 3
When contracting against which of the following pressures will the velocity of muscle cell contraction be
most rapid? - CORRECT ANSWER -
lowest pressure, the higher the pressure the more that it has to overcome in order to contract
What happens to the beat followingTa premature ventricular depolarization? - CORRECT ANSWER -
the beat is stronger than a typical beat
All of the following increase preload - CORRECT ANSWER -MR
AI
Volume Overload
CORRECT ANSWERS 2025-2026
At what time during fetal growth is the heart first fully developed? - CORRECT ANSWER -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 ANSWER -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 ANSWER -Sodium
Following electrical depolarization of the myocardial cell membrane, which ion rushes in first, and which
ion rushes in later? - CORRECT ANSWER -sodium followed by calcium
Which ion helps slow heart muscle contraction? - CORRECT ANSWER -potassium
In the cardiac cell action potential, what phases are included in the absolute refractory period? -
CORRECT ANSWER -Phases 1 into Phase 3
When contracting against which of the following pressures will the velocity of muscle cell contraction be
most rapid? - CORRECT ANSWER -
lowest pressure, the higher the pressure the more that it has to overcome in order to contract
What happens to the beat followingTa premature ventricular depolarization? - CORRECT ANSWER -
the beat is stronger than a typical beat
All of the following increase preload - CORRECT ANSWER -MR
AI
Volume Overload
