CCI Practice Exam 2026 Questions and
Answers
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
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Answers
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
©COPYRIGHT 2025, ALL RIGHTS RESERVE 1