SHADOW HEALTH CARDIAC ASSIGNMENT | Questions with 100% Correct Answers | Verified | Updated

All the best from Dr. A Dr. Assessments Page 1 of 9 Where is the heart found? Mediastinum What is the heart enclsoed by? Pericardium Layers of the heart: 1. Epicardium: inner layer 2. Myocardium: large, muscle layers -- fibers flex during each heart beat 3. Endocardium: thin, smooth inner layer that lines heart chambers and valves Another name for the sac that protects the heart and keeps it in place = Pericardium 4 chambers of the heart: 2 atria 2 ventricles Which chamber collects deoxygenated blood returning from the body through the vena cava? R atrium Which chamber collects oxygenated blood returning from the lungs through the pulmonary veins? L atria Which chamber pumps blood into the pulmonary arteries heading to the lungs for gas exchange? R ventricle The ____ pumps blood into the aorta to the body for gas, nutrient and waste exchange Left ventricle All the best from Dr. A Dr. Assessments Page 2 of 9 What type of valves lie between the atrium and its ventricle? AV valve Name the R & L AV valve R AV valve = Tricuspid L AV valve = Mitral What kind of valves lie between each ventricle and its great artery? Semilunar valves The R semilunar valve = Pulmonary L semilunar valve = Aortic 2 phases of cardiac cycle = Diastole - ventricles relax systole - ventricles contract The pressure that the heart must work against to propel blood forward is called afterload Which 2 things contribute to the afterload placed on the heart? BP Cardiac Vessels Amount of blood pumped by each ventricle per minute = Cardiac output (Liters / Minute)