Tank Bank Thorax EXAM 2025 QUESTIONS AND CORRECT ANSWER Which of the following statements concerning the thoracic wall is correct? A. The fiber directions of the external intercostal and the internal intercostal muscles run parallel to each other B. Intercostal nerves and vessels are found between the external intercostal muscle and the superficial fascia C. The external intercostal membrane is the posterior continuation of the external intercostal muscle D. An intercostal vein, artery and nerve course along the inferior border of each rib E. The internal thoracic artery is located on the deep surface of the transversus thoracis muscle - answer>>>D. An intercostal vein, artery and nerve course along the inferior border of each rib This structure is best auscultated in the midclavicular line over the left fifth intercostal space: A. Aortic semilunar valve B. Bicuspid (mitral) valve C. Lung D. Pulmonary semilunar valve E. Tricuspid valve F. Valve of the inferior vena cava G. Valve of the coronary sinus - answer>>>B. Bicuspid (mitral) valve This vessel has the largest lumen of all the cardiac vessels: A. Anterior cardiac veins B. Anterior interventricular artery C. Circumflex artery D. Coronary sinus E. Middle cardiac vein F. Right coronary artery G. Thebesian