Pathophysiology NUR 231 Exam Questions With Verified Answers

Pathophysiology NUR 231 Exam Questions With Verified Answers pathophysiology - answerstudy of functional or physiologic change that result in a disruption of normal function physiology - answernormal day to day function pathology - answerthe directly observable lab study of cell and tissue changes associated with disease, study of observable changes pathologist - answerphysician who looks for changes in cell and tissue health - answerthe state of an organism when it functions in homeostasis disease - answeran interruption, cessation or disorder of body functions, systems or organs homeostasis - answerstate of equilibrium, what the body wants negative feedback loop - answeroutput of system acts to oppose changes from the input of the system, resulting stability positive feedback loop - answeroutput is unable to attenuate an input change resulting in an imbalance of system, often results in disease, heart failure - the body's response makes problem worse diagnosis - answersigns and symptoms together signs - answerwhat we see symptoms - answerwhat patient tells us etiology - answercauses of the disease, how did we get the disease predisposing factors - answerrisk factors for developing a disease pathogeneisis - answerprocess of beginning the disease, goes with etiology, what caused the start of the disease syndrome - answercompilation of signs and symptoms that point toward a diagnosis, AIDS - signs and lab work, compilation of signs and symptoms together insidious - answera gradual progression with very vague of mild signs prognosis - answerhow bad is it? what are the chances of recovery? morbidity - answerhow many people have the disease, negatively affects quality of life mortality - answercauses death epidemiology - answerstudy of disease in a population pathophysiology - answeridentifies disease before it shows signs and symptoms, cellular changes atrophy - answerloss of growth, muscle growth diminishes hypertrophy - answerincrease in the size of individual cells hyperplasia - answerincrease in the number of cells, healthy growth just more cells metaplasia - answercell changes from one cell type to another. ciliated epithelial cells in smoker changes to regular cubodal cell dysplasia - answercells vary in size, shape and nucleus size/shape. less cell differentiation, precursor to cancer anaplasia - answercells lack differentiation, cancerous neoplasm - answernew growth, malignant or benign idiopathic - answerunknown cause iatrogenic - answercaused by treatment, procedure or error acute - answerinitial injury, localized chronic - answerlong term, less inflammation nosocomial - answerhospital acquired infection communicable - answerability to spread from one person to another sudden - answerfast onset of disease prevalence - answerhow many have disease incidence - answerhow many have disease during a certain period of time hypoxia - answerlack of oxygen ischemia - answerlack of blood flow, lack of oxygen and glucose to areas because of lack of blood flow, decreased ability to produce energy