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Ch 10 Cardiology
Heart
| Question | Answer |
|---|---|
| heart valve between the left ventricle and the aorta | aortic valve |
| each of two upper chambers of the heart | atrium |
| ropelike strands that support the tricuspid and mitral valves and keep their leaflets tightly closed when the ventricles are contracting | chordae tendinae |
| temporary, small blood vessel in the fetal heart that connects the pulmonary trunk to the aorta, it should close within 24 hrs after birth | ductus arteriosus |
| layer of cells that line the atria, ventricles, and valves of the heart | endocardium |
| temporary, oval-shaped opening in the interatrial septum of the fetal heart, it should close within 24 hrs after birth | foramen ovale |
| organ that pumps blood throughout the body, it contains 4 chambers, the septum (a center wall), and 4 valves. the adjective form for _________ is "cardiac" | heart |
| the lower tip of the heart is the ..... | apex |
| heart valve between the left atrium and the left ventricle, it is also known as "bicuspid valve", it has 2 (bi-) pointed leaflets or cusps | mitral valve |
| muscular layer of the heart | myocardium |
| membrane that surrounds the heart as the "pericardial sac" and filled w/ pericardial fluid, membrane part next to the heart is the visceral _________ or epicardium, the outer wall of pericardial sac is the parietal ___________ | pericardium |
| heart valve between the right ventricle and the pulmonary trunk and the pulmonary arteries | pulmonary valve |
| heart valve between the right atrium and right ventricle, it has three (tri-) pointed leaflets or cusps | tricuspid valve |
| structure that opens and closes to control the flow of blood. include the tricuspid ______, pulmonary ________, mitral __________ and aortic ___________. there are also __________ in some of the large veins to prevent backflow of blood | valve |
| each of the two large, lower chambers of the heart | ventricle |
| aort/o- | aorta |
| valvul/o- valv/o- | valve |
| sept/o- | septum |
| apic/o- (tip) | apex |
| mitr/o- | miter |
| cusp/o- | projection; point |
| my/o- | muscle |
| viscer/o- | large internal organs |
| pariet/o- | wall of a cavity |
| ventricul/o- (lower heart chamber; chamber in the brain) | ventricle |