Midterm Exam - NR507 / NR 507 (Latest 2023 / 2024) : Advanced Pathophysiology - Chamberlain

NR-507 Advanced Pathophysiology Midterm Exam S1 ✓ First heart sound, closure of mitral and tricuspid valves in systole S2 ✓ Second heart sound, closure of aortic and pulmonic valves in diastole Preload ✓ Diastolic filling with venous blood Contractility ✓ Systolic eje ction Afterload ✓ Resistance to systolic ejection Equation for cardiac output ✓ Stroke volume x heart rate Sustained tachycardia causes ___ ✓ Decreased stroke volume Ischemia, acidosis and cardiomyopathy cause___ ✓ Decreased contractility HTN, pulmonary disease an d aortic valve damage cause ___ ✓ Increased afterload What is the most immediate effect on afterload? ✓ HTN Hemorrhage and decreased volume decreases ___and ___ ✓ Preload and afterload Increased preload increases ___ ✓ Stroke volume Right sided HF is also called ___ ✓ Cor pulmonale Cor pulmonale causes ___ and is caused by ___ ✓ Enlargement of RV, pulmonary HTN from chronic lung disease 5 causes of lung disease leading to cor pulmonale? ✓ COPD ✓ PE ✓ Pulmonary fibrosis ✓ OSA ✓ Myasthenia gravis, polio 4 causes of heart failure ✓ CAD ✓ HTN ✓ Cardiomyopathy ✓ Faulty valves 4 events that lead to HF ✓ HTN ✓ Increased LV preload ✓ Increased LA preload ✓ Pulmonary edema Define ventilation ✓ The ability to inhale and exhale air Define perfusion ✓ The ability of lungs and tissues to perform gas exchange Intrinsic asthma ✓ Internal trigger (anxiety)