CCI PRACTICE EXAM QUESTIONS AND
ANSWERS LATEST UPDATE.
1. At what time during fetal growth is the heart first fully developed?: 40 Days
2. 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
3. During the resting state, which of the following ions are pumped out of the
cells of the myocardium?: Sodium
4. Following electrical depolarization of the myocardial cell membrane, which
ion rushes in first, and which ion rushes in later?: sodium followed by calcium
5. Which ion helps slow heart muscle contraction?: potassium
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ANSWERS LATEST UPDATE.
1. At what time during fetal growth is the heart first fully developed?: 40 Days
2. 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
3. During the resting state, which of the following ions are pumped out of the
cells of the myocardium?: Sodium
4. Following electrical depolarization of the myocardial cell membrane, which
ion rushes in first, and which ion rushes in later?: sodium followed by calcium
5. Which ion helps slow heart muscle contraction?: potassium
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