The figure shows the human heart: LA = left auricle, LV = left ventricle, RA = right auricle, RV = right ventricle. Positions 1 and 6 are at vessels entering the atria; 2 and 5 are at atrioventricular openings; 3 and 4 are at ventricular arterial outlets. Where are the valves located?

Question

The figure shows the human heart: LA = left auricle, LV = left ventricle, RA = right auricle, RV = right ventricle. Positions 1 and 6 are at vessels entering the atria; 2 and 5 are at atrioventricular openings; 3 and 4 are at ventricular arterial outlets. Where are the valves located? — Exam MCQ

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C. At positions 2, 3, 4 and 5 — The mitral and tricuspid valves lie between atria and ventricles. The aortic and pulmonary valves lie at ventricular outlets. These correspond to positions 2, 3, 4 and 5.

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A. At all positions: 1, 2, 3, 4, 5 and 6

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B. At positions 1, 2, 4 and 6

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D. At positions 4, 5 and 6

The figure shows the human heart: LA = left auricle, LV = left ventricle, RA = right auricle, RV = right ventricle. Positions 1 and 6 are at vessels entering the atria; 2 and 5 are at atrioventricular openings; 3 and 4 are at ventricular arterial outlets. Where are the valves located?

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