CCI CCT (Actual) Exam Graded A+

Coronary artery that gives rise to the Circumflex Branch - ANSWER-left coronary artery (LCA) Formula for Aortic Pulse Pressure - ANSWER-Pulse Pressure Systolic - Pulse Pressure Diastolic cardiac output - ANSWER-Heart rate (x) stroke volume = _____? structures that connect the atrioventricular valves to the papillary muscles and prevent them from opening in the wrong direction (prevents backflow) - ANSWER-chordae tendineae Shown by Leads V1, V2, V3, V4 - ANSWER-Anteroseptal A potent coronary vasodilator used in exercise stress testing - ANSWER-Dipyridamole Group of drugs that lowers the Left and Right Ventricular filling pressure (preload) - ANSWER-Nitrates Leads II, III, aVF - ANSWER-Inferior wall best viewed in leads I, aVL, V5, V6 - ANSWER-Lateral Wall of Left Ventricle Large, diphasic P wave with tall initial component - ANSWER-Right Atrial Hypertrophy the amount of resistance a contracting ventricle must produce to open the semilunar valve - ANSWER-Afterload heart muscle tissue - ANSWER-Myocardium valve between the right atrium and the right ventricle - ANSWER-tricuspid valve Receives deoxygenated blood from the great veins - ANSWER-right atrium Serous membrane; smooth outer surface of heart - ANSWER-epicardium How many pulmonary veins does the left atrium receive blood from? - ANSWER-4 occurs when coronary circulation becomes blocked and muscle cells die from lack of O2 - ANSWER-infarction Represented by a depressed ST segment and an Inverted T wave - ANSWER-myocardial ischemia