Heart and mediastinum
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| Portion of the cardiac conduction system innervated by sympathetics from the left. | AV Node
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| The SA node is located in the right atrial wall between the auricle and the SVC at the upper end of the ___? | Crista terminalis
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| Vein that accompanies right coronary a. around to the posterior surface of the heart. | Small cardiac vein
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| Specific chamber of the heart which lies against the esophagus. | Left atrium
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| Name the papillary muscles of the right ventricle. | Anterior, posterior, septal
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| Left ventricle of the heart is responsible for this type of circulation. | Systemic
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| Valve that guards the exit of the right ventricle. | Pulmonary
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| Give the composition of the parietal pericardium. | Fibrous outer layer and serous inner layer
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| Upper smooth area of the right ventricle ventricle that guides blood to a great artery. | Conus arteriosus
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| Muscles lining auricles only | Pectinate muscles
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| Structure that transmits the right crus of the AV bundle across the right ventricular cavity. | Septomarginal trabeculae (moderator band)
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| Part of the conduction system known as the "pacemaker". | SA node
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| Name given to the entire posterior surface of the heart | Base
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| Smallest sized vessels, drain directly into the right atrium and other chambers. | Venarum minimarum (thebesian veins)
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| Most posteriorly located chamber of the heart. | Left atrium
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| Besides the IVC and SVC, name two tributaries of the right atrium. | Coronary sinus, venarum minimarum, anterior cardiac veins
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| The apex of the heart points: (ant/post, sup/inf, left/right) | anterior inferior left
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| Upper smooth area of the left ventricle that guides blood to a great artery. | Aortic vestibule
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| When comparing the thickness of the right ventricle to the left, one can say the Right Ventricle is... | 1/3rd as thick as the left ventricle
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| Ridge-like mm located in the ventricles. | Trabeculae carnae (log jam)
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| Companion vessel of the anterior interventricular a. | Great cardiac v.
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| Another name for the mitral valve | Bicuspid valve (left atrioventricular, left AV)
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| Physiologically, how does blood enter the coronary arteries? | Recoil of the aorta
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| The AV node is located in the ____ septum near the ostium of the _____. | Interatrial, coronary sinus
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| Name the cusps/valvules of the pulmonary(semilunar) valve. | Right, left, anterior
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| Extends from SVC to IVC, divides right atrium into two parts. | Crista terminalis
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| Specific name given to area where the coronary arteries begin. | Aortic sinus
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| Portion of the cardiac conduction system located in the wall of the right atrium near the SVC. | SA node
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| Portion of the cardiac conduction system innervated by the left vagus nerve. | AV node
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| Name given to the right AV valve. | Tricuspid valve
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| Vessel which accompanies the posterior interventricular vessel of the heart. | Middle cardiac vein
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| Name given to the nipple-like muscles of the ventricles. | Papillary muscles
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| Name the cusps of the left AV valve. | Anterior, posterior
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| Name given to the string-like structures that attach to the cusps of the AV valves - prevent eversion of cusps into the atria. | Chordae tendineae
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| Right ventricle is responsible for this type of circulation. | Pulmonary
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| Structurally define the upper border of the superior mediastinum. | Plane of the first rib
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| Structurally define the lateral border of the superior mediastinum. | Pleural sacs
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| Structurally define the posterior border of the superior mediastinum. | Vertebral column
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| Structurally define the lower border of the superior mediastinum. | Diaphragm
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| During their course the phrenic nn. pass inferiorly ______ (ant/post) to the roots of the lungs and onto the surface of the _______ before entering the diaphragm. | Anterior, pericardial sac
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| The right pulmonary a. runs ____ (ant/post) to the _____ aorta. | Posterior, ascending
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| Specific artery that supplies the upper surface of the respiratory diaphragm. | Superior phrenic a.
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| Using anatomical landmarks define the lower border of the superior mediastinum. | Horizontal line through the angle of the sternum, passing through T4-T5 disk.
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| Vein that drains the upper 2nd, 3rd, and 4th intercostal spaces. | Highest intercostal
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| Besides the right ascending lumbar v., a branch of the IVC, and the right posterior intercostal vv., name 4 tributaries that normally drain into the azygos vein. | Right highest intercostal, hemiazygos, accessory hemiazygos, right bronchial
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| The left pulmonary artery runs ____ (ant/post) to the _____ part of the aorta. | Anterior, descending
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| As the left recurrent laryngeal nerve loops under the arch of the aorta, it lies immediately to the left of the ____. | Arteriosus ligament
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| From proximal to distal, the second branch of the arch of the aorta. | Left common carotid artery
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| In which specific mediastinae(um) are the insertion of pulmonary veins into the heart? | Middle
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| In which specific mediastinae(um) are the left and right brachiocephalic veins? | Superior
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| In which specific mediastinae(um) are the left and right bronchi? | Posterior
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| In which specific mediastinae(um) is the esophagus? | Posterior, superior
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| In which specific mediastinae(um) are the distal part of phrenic nerves? | Middle
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| In which specific mediastinae(um) is most of the azygos vein? | Posterior
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| In which specific mediastinae(um) is most of the thymus? | Superior
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| In which specific mediastinae(um) is the tracheal bifurcation? | Posterior
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| In which specific mediastinae(um) is the hemiazygos v.? | Posterior
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| In which specific mediastinae(um) is the ascending aorta? | Middle
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| In which specific mediastinae(um) is the thoracic splanchnic n.? | Posterior
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| In which specific mediastinae(um) is the inferior half of the SVC? | Middle
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| Name the tributaries of the hemiazygos vein not including ascending lumbar branch of left renal vein. | Left subcostal, caudal 3-4 left posterior intercostal, esophageal v, mediastinal vv.
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| The ligamentum arteriosum connects what two vessels? | Left pulmonary artery and aortic arch
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| Name the tributary to the left brachiocephalic v. whose right counterpart is NOT a tributary to the right brachiocephalic v. | Left highest posterior intercostal
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| During its course the pulmonary trunk passes first ____ (ant/post/left/right) to(of) the ascending aorta, then immediately (ant/post/left/right) to/of it. | Anterior, left
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| The azygos vein runs superiorly, then arches over the _____ to empty into the ____. | Root of the right lung, SVC
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| Besides the posterior intercostals, name the parietal branches of the descending thoracic aorta. | Subcostal a., superior phrenic a., posterior intercostal aa.
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| Which pulmonary artery is the longest and largest? | Right
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| Which pulmonary artery runs posterior to the ascending aorta? | Right
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| The specific vessel which normally directly drains 5,6,7, and 8 left posterior intercostal veins. | Accessory hemiazygos
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| There are weak anastomoses between what names arteries on the surface of the heart. | anterior and posterior interventricular aa.
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| Name three grooves seen on the external heart. | Coronary sulcus, anterior interventricular sulcus, posterior interventricular sulcus.
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| Raised upper margin of the fossa ovalis. | Limbus of fossa ovalis
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