Heart chamber and valve anatomy, the cardiac conduction system, and blood vessel structure for allied health students, deeper than the intro A&P survey.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- Which heart chamber receives deoxygenated blood from the body via the superior and inferior venae cavae?
- The right atrium
- Which heart chamber pumps deoxygenated blood into the pulmonary trunk toward the lungs?
- The right ventricle
- Which heart chamber receives oxygenated blood returning from the lungs via the pulmonary veins?
- The left atrium
- Which heart chamber pumps oxygenated blood into the aorta to supply the whole body?
- The left ventricle
- Why does the left ventricle have a thicker myocardial wall than the right ventricle?
- It must generate much higher pressure to pump blood through the entire systemic circulation
- The ____ is the thick muscular wall that separates the left and right ventricles.
- interventricular septum
- What is the muscular wall that separates the right and left atria called?
- The interatrial septum
- What thin, oval depression in the interatrial septum marks the former site of a fetal heart opening?
- The fossa ovalis
- What is the outer layer of the heart wall called?
- The epicardium
- What is the thick, muscular middle layer of the heart wall called?
- The myocardium
- What is the thin inner layer of the heart wall that lines the chambers and valves called?
- The endocardium
- What double-layered sac surrounds and protects the heart?
- The pericardium
- Which atrioventricular valve separates the right atrium from the right ventricle?
- The tricuspid valve
- Which atrioventricular valve separates the left atrium from the left ventricle?
- The mitral valve (bicuspid valve)
- How many cusps (leaflets) does the tricuspid valve have?
- Three