Term
| What bony landmark divides the superior and inferior mediastina? |
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Definition
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Term
| The thymus is found in which division(s) of the mediastimum? |
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Definition
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Term
| What is the primary “artery” found in the posterior mediastinum? |
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Definition
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Term
| he middle mediastinum is the “home” for what major structure/organ? |
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Definition
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Term
| What structures run along side the thoracic duct in the posterior mediastinum? |
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Definition
| aorta, vertebral bodies, esophagus |
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Term
| What is the name for the thin membrane which lines the inside of the fibrous pericardium? |
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Definition
| parietal layer of serous pericardium |
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Term
| What is the procedure called when the pericardial sac is tapped with a needle for removal of fluid? |
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Definition
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Term
| Where on the anterior chest wall is the aortic valve best heard, the mitral valve ? |
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Definition
2nd intercostal space, right of sternum
apex of heart, 5th intercostal space near left mid-clavicular line |
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Term
Where on the anterior chest wall is the apex of the heart projected
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Definition
| 5th intercostal space near left mid-clavicular line |
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Term
| What valve is heard best at about its anatomic position as projected onto the anterior chest wall? |
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Definition
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Term
| What is the name of the external depression on the heart which divides the atria from ventricles? |
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Definition
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Term
| Auricles are part of which heart chamber(s)? |
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Definition
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Term
| The pulmonary trunk carries blood from which chamber of the heart? |
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Definition
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Term
| What is the name of the A/V valve that sits between the right atrium and ventricle? |
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Definition
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Term
| The “rough” muscular part of the atria walls are termed the muscles. |
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Definition
| The “rough” muscular part of the atria walls are termed the pectinate muscles. |
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Term
| What is the function of the papillary/chordae tendenae complexes? |
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Definition
| prevent AV valve cusps from regurgitating into atria upon ventricular contraction. |
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Term
| How many pulmonary veins usually enter the left atrium? |
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Definition
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Term
| What is the usual origin for the left subclavian artery? The right subclavian artery? |
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Definition
| Aortic arch; brachiocephalic trunk |
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Term
| The azygos vein arches over the root of the lung to enter what vessel? |
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Definition
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Term
| In general the venous drainage from the heart in collected in what structure before being emptied into the right atrium? |
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Definition
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Term
| In a left dominant coronary artery distribution pattern, which parts of the heart are supplied by branches of the left coronary artery? |
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Definition
| both interventricular sulci and the posterior surface of the left ventricle. |
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Term
| The coronary arteries arise from the aortic sinuses of . . |
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Definition
| The coronary arteries arise from the aortic sinuses of Valsalva. |
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Term
| The impulse wave from the AV node is transmitted to the ventricles by what bundle? |
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Definition
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Term
| Which nerve supplies parasympathetic innervation to the thoracic viscera? |
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Definition
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Term
| What affect does sympathetic innervation have on the heart? the lungs? |
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Definition
| What affect does sympathetic innervation have on the heart increased heart rate and force of contractility, dilation of coronary arteries? the lungs? bronchodilation, decreased mucus secretion, vasodilation of pulmonary vessels |
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Term
| Where is the cardiac skeleton located? |
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Definition
| at the level of the coronary sulcus |
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Term
| Name three functions of the cardiac skeleton. |
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Definition
| attachment for valves, attachment for cardiac muscles, and insulation of ventricles from electrical impulses. |
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Term
| What is the feature of the right atrium that represents a right to left shunt in fetal life? |
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Definition
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Term
| In fetal life, most of the blood from the pulmonary trunk is shunted to the aorta via the . |
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Definition
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Term
| What does the structure in the question above become in the adult? (ductus arterosum) |
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Definition
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Term
| What chamber of the heart helps form the left heart border on PA plain film radiograph? |
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Definition
| Mostly left ventricle. The left atrial appendage also forms a tiny part of it. |
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Term
The absence of what feature of the cardiac silhouette indicates the presence of enlarged lymph nodes or masses in the mediastinum.
Think of the x-ray; the aortic knob and the "pulmonary knob"; in between is the notch |
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Definition
| The aorto-pulmonary window or wedge is missing with enlarged lymph nodes on the left. The right side shows widened mediastinum in the same region. |
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Term
| What is the cardiac skeleton made of in the human? |
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Definition
| semi-rigid, dense connective tissue |
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