CCI Practice Exam Questions and Answers (Latest 2023 – 2024) With Complete Solution, Exams of Health sciences

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CCI Practice Exam Questions and Answers (Latest 2023 – 2024) With Complete Solution At what time during fetal growth is the heart first fully developed? ANS: 40 Days Which of the following L-R shunts is the last to close in the normal post partum period? When does it close? ANS: 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? ANS: Sodium Following electrical depolarization of the myocardial cell membrane, which ion rushes in first, and which ion rushes in later? ANS: sodium followed by calcium Which ion helps slow heart muscle contraction? ANS: potassium In the cardiac cell action potential, what phases are included in the absolute refractory period? ANS: Phases 1 into Phase 3 When contracting against which of the following pressures will the velocity of muscle cell contraction be most rapid? ANS: 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? ANS: the beat is stronger than a typical beat All of the following increase preload ANS: MR AI Volume Overload All of the following increase after load - ANS: AS ASH HTN What is the predominant echo finding associated with increase preload? ANS: LV Dilatation In a pt with a VSD, which of the following sites will provide a measure of pulmonic flow? ANS: MV Which of the following best describes a pt with severe MR? ANS: EF - 55% RF - 25% EF - 25% RF - 50% ***

All are cardiac responses to increased sympathetic stimulation - ANS: increased HR Increased contractility Increased irritability During the cardiac cycle, which valve most closely follows the T wave on the ECG? ANS: AV closure Which flow pattern is most likely to be the longest? ANS: PI What is the normal O2 saturation of blood in the pulmonary artery? ANS: 75% Where is oxygen saturation of blood the lowest? ANS: coronary sinus During systole, the aortic and LV pressures are quite different. What is this finding indicative of? ANS: AS During diastole, the RA pressure is much higher than RV pressure. What does this indicate? ANS: TS A pt has an ECG with five premature ventricular contractions in succession. What is this called? ANS: ventricular tachycardia What is the minimum length of time that echo records need to be kept? ANS: 7 years Normally, how much fluid is found in the pericardial sac? ANS: 40cc