MSN 570 PATHO MIDTERM STUDY GUIDE

MSN 570 PATHO MIDTERM STUDY GUIDE • Genetic mutation that results in change of amino acids o missense mutation • Heart sound with left-sided HF o S3-S4 • Left AV valve o mitral valve / bicuspid valve • Poiseuille’s law the velocity of the steady flow of a fluid through a narrow tube (as a blood vessel or a catheter) varies directly as the pressure and the fourth power of the radius of the tube and inversely as the length of the tube and the coefficient of viscosity • Ectopic conduction o Ectopic beat is a disturbance of the cardiac rhythm frequently related to the electrical conduction system of the heart, in which beats arise from fibers or group of fibers outside the region in the heart muscle ordinarily responsible for impulse formation (i.e., the sinoatrial node). • Conduction other than the SA node • Heart block • Pulmonary fibrosis and gas exchange o If you have pulmonary fibrosis, scarring affects the air sacs in your lungs. The air sacs are supported by the interstitium, a n