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Heart2

A -- The heart

QuestionAnswer
What structures drain into the right atrium? SVC, IVC, coronary sinus
What structures drain into the left atrium? right and left pulmonary arteries (4)
The right ventricle pumps blood into what structure? the pulmonary trunk
The left ventricle pumps blood into what structure? the ascending aorta
The apex of the heart is formed by what? LV
The RA and RV have what valve in between? tricuspid valve
What communictes the RA and LA during interurterine life? foramen ovale
What prevents the tricuspid valve from being forced into the RA upon RV contraction? papillary muscles attached to chordae tendineae
Describe the pulmonary valve. 3 semilunar cusps
What valve is between the RV and the pulmonary arteries? pulmonary semi-lunar valve
What valve is between the LV and the ascending aorta? arotic semi-lunar valve
Which side of the heart has the greatest internal pressure and what anatomically shows this? the left side, and the left ventricle muscle is thicker than the right
Describe what causes the first and second heart sounds. Ist sound closure of tricuspid and mitral valves, second sound closer of the aortic and pulmonary valves
The LA and LV have what valve in between? Bicuspid (or mitral) valve
Created by: justice2
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