Adult Echo Review

In a normal left-sided aortic arch, the 1st branch should be the: A. aberrant right subclavian artery b. right common carotid artery c. innominate artery d. left common carotid artery e. left subclavian artery - Answer- c The branches arising from the aortic arch are the : a. coronary sinus, left upper pulmonary vein, and right upper pulmonary vein b. right coronary artery and left coronary artery c. left pulmonary artery and right pumlonary artery d. left circumflex and left anterior descending artery e. innominate, left common carotid and left subclavian arteries - Answer- e The weakest point of the aorta is the: a origin of coronary arteries b. origin of the innominate artery c. isthmsus d. origin of renal arteries e. bifurcation into the illiac arteries - Answer- c Name the laters of the heart walls in order from inner to outer: a. endocardium, myocardium and epicardium b. epicardium, endocardium, and myocardium c. myocardium, epicardium, and endocardium d. pericardium, myocardium, and endocardium e. myocardium, pericardium, and epicardium - Answer- a The atrioventricular node is located in the: a. superior portion of the right atrium near the point where the superior vena cava enters b. inferior portion of the right atrium, near the opening of the coronary sinus and the center of Koch's triangle c. first centimeter of the IVS d. basal portion og ventricular septum e. apical portion of the ventricular septum - Answer- b the pulmonary artery branches off into: a. coronary sinus, left upper pulmonary vein, and right upper pulmonary vein b. right coronary artery and left coronary artery c. left pulmonary artery and right pulmonary artery d. left circumflex and left anterior descending artery e. innominate, left common carotid, and left subclavian arteries - Answer- c The sinoatrial node is located in the: a. superior portion