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5.What is the totalnumber of valve cusps in the normal adult heart? A.11 B.14 C.5 D.6 E.9 6.A patient has a heart attack due to a blood clot blocking his anterior interventricular artery. Fortunately, he survives without much loss of cardiac function. His cardiologist is amazed at his recovery and says he must be one of the rare people with at least some collateral circulation in his heart. Which is the specific vessel most likely directly anastomosing with his anterior interventricular artery? 7.Which of the following structures is found in both the superior mediastinum and the inferior mediastinum? 8.A one-year old infant swallows a penny. A subsequent X-ray identifies it just above the diaphragm. It is most likelyin the:
Page 49.You are looking at a CT scan taken in a horizontal plane through the posterior mediastinum, trying to figure out which round thing is which. You remember that in order, from the patient’s right to left, you should see the:A. esophagus, trachea, aorta B. right brachiocephalic vein, arch of the aorta, left brachiocephalic vein C. superior vena cava, inferior vena cava, aorta D. aorta, thoracic duct, azygos vein E. azygos vein, thoracic duct, aorta 10.Identify the opening indicated by the arrow. 11.Which of the following statements regarding the ductus deferens is NOTcorrect?