CCI Practice Exam UPDATE VERIFIED
QUESTIONS & DETAILED
EXPLANATIONS GRADED A+
Professional Academic Assistance Services
At what time during fetal growth is the heart first fully
developed? - 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? - 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? - Answer: Sodium
Following electrical depolarization of the myocardial cell
membrane, which ion rushes in first, and which ion rushes in
later? - Answer: sodium followed by calcium
Which ion helps slow heart muscle contraction? - Answer:
potassium
In the cardiac cell action potential, what phases are included in
QUESTIONS & DETAILED
EXPLANATIONS GRADED A+
Professional Academic Assistance Services
At what time during fetal growth is the heart first fully
developed? - 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? - 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? - Answer: Sodium
Following electrical depolarization of the myocardial cell
membrane, which ion rushes in first, and which ion rushes in
later? - Answer: sodium followed by calcium
Which ion helps slow heart muscle contraction? - Answer:
potassium
In the cardiac cell action potential, what phases are included in