Final Exam NUR 311 Questions with Correct Answers (100% Researched and Verified)

Cardiac Valves Correct Answer Tricuspid valve (R atrial- R ventricle) Pulmonic valve (R ventricle- pulmonary vein) Mitral valve (L atrial- L ventricle) Aortic valve (L ventricle- aorta) If cardiac valves do not function appropriately blood can flow back into where it came MAP (Mean Arterial Pressure) Correct Answer Must be at least 60-70 mmHg to maintain adequate blood flow through coronary arteries and perfuse major organs Brain and kidneys Perfusion- providing our body with enough blood Cardiac cycle Correct Answer Has to be able to respond, conductivity, excitability, contractility CVD #1 cause of death in women 1 person every 40 seconds dies from CVD` Mechanical properties of the heart Correct Answer Cardiac output- amount of blood pumped by each ventricle in one minute Stroke volume- amount of blood pumped by the ventricle in Liters per minute Heart rate- direct relation of CO and SV Preload- volume of blood in the ventricle at the end of diastole Impendence- peripheral component of afterload (pressure the heart has to overcome to open the aortic valve) Myocardial contractility Cardiac index- CO/ body surface area CI normal range- 2.7- 3.2 L/min/ m^2 BSA Cardiac output Amount og blood pumped from left ventricle per minute HRxSV= CO 4-7L/min Types of CVD Correct Answer Class 1 Cardiac disease but have no physical limitations Ordinary activity has no negative effect Class 2 Cardiac disease but have slight limitation Comfortable at rest, ordinary activity results in fatigue, palpitation, dyspnea, or angina pain Class 3 Cardiac disease resulting in marked limitation