Cardiology Fisdap Test Prep Solved 100%

pericardial friction rub - to and fro sound inbetween systole and diastole (due to pericarditis) - ANSWER Divisions of Left Main Coronary Artery (LMCA) - ANSWER Left Anterior Descending & Circumflex coronary artery Left Main Coronary Artery supplies what? - ANSWER Left Ventricle, Interventricular Septum, Part of Right Ventricle Right Coronary Artery supplies what? - ANSWER Right Atrium, Right Ventricle, Part of Left Ventricle Diastole - ANSWER Period when ventricles relax and are passively filled with blood Systole - ANSWER Contraction of heart muscle Preload - ANSWER Initial stretching of cardiac myocytes prior to left sided contract Afterload - ANSWER blood is driving out of the heart against system arteries Which side (right or left) of the heart is a low pressure pump? - ANSWER right side Layers of blood vessels from outer to inner... - ANSWER Tunica Adventitia Tunica Media Tunica Intima Epithelium (creates lumen of blood vessels) Which type of vessel (arteries or veins) have more muscular layer allowing them to better contract? - ANSWER arteries What aids venous return to the heart? - ANSWER Valves prevent backflow & Skeletal muscle and thoracoabdominal pumps aid venous return Cardiac Output - ANSWER Amount of blood pumped out by either ventricle Normal CO for an adult is 5-6L/min CO is a function of HR and Stroke Volume Stroke Volume - ANSWER Amount of blood pumped out by either ventricle in a single heartbeat SV is 60-100ml normally Ejection Fraction - ANSWER Percent of blood that leaves the heart each time it contracts Normal range of 55-70% from left ventricle Frank-Starling mechanism - ANSWER A characteristic of cardiac muscle that enables it when stretched to contr