Pathophysiology Chapter 1: Introduction to Pathophysiology Correct Answer

Etiology Study of the causes or reasons for a particular disease or injury. Idiopathic Cause is unknown. Iatrogenic Cause results from unintended or unwanted medical treatment. Pathogenesis The development or evolution of a disease, from the initial stimulus to the ultimate expression of the manifestation of the disease. Description of how etiological factors alter _____________ ________ and lead to _______ _____________ that are observed in a particular disorder/disease. - physiologic function - clinical manifestations Signs of disease Manifestations of disease that are observed. Symptoms The subjective feelings of an abnormality in the body. The feeling of nausea is a symptom or a sign? Symptom Vomiting is objectively observed as a symptom or a sign? Sign Syndrome When the etiology of a particular sets of signs and symptoms has not yet been determined. Latent period (in the case of infectious diseases it is call an incubation period) The interval between exposure of a tissue to an injurious agent and the first appearance of signs and symptoms. Prodromal period (or prodrome) Refers to the appearance of the first signs and symptoms indicating the onset of a disease. Nonpecific symptoms like headache, malaise, anorexia, and nausea are examples of what? Prodromal symptoms Acute phase The disease reaches its full intensity, and signs and symptoms attain their greatest severity. Silent period or latent period Sometimes during the course of a disease, the s&s may become mild or even disappear fro a time. Subclinical stage during which the patient functions normally, although the disease processes are well established. Acute clinical course: Short-lived; may have sever manifestations. Measured hours, days, or a few weeks.