Chapter 1: Introduction to Pathophysiology Flashcards
Pathophysiology
The study of mechanisms of disease
Pathology
The study of changes in cells and tissues as a result of injury or disease
Anatomy
The study of body structures
Physiology
The study of body functions
Disease
The functional impairment of cells, tissues, organs, or organ systems
Syndrome
A condition with a recognizable, predictable pattern
Pathogenesis
The origin and development of disease
Risk factors
Vulnerablilities that increase the chances that disease may occur
Etiology
Precise cause of disease
Pathogen
Disease-causing microorganism
Idiopathic
Describes a condition that does not have a clear cause
Nosocomial
Describes disease that results from exposure to infection in a healthcare environment
Iatrogenic
Describes a disease that result from medical treatment
Clinical manifestations
The presenting signs and symptoms of a disease
Signs
Objective manifestations that can be seen or measured
Symptoms
Subjective indicators that are reported by the ill individual
Precipitating factors
Triggers that lead to the onset of disease
Local
Refers to manifestations that are found directly at the site of disease and are confined to that area
Systemic
Refers to manifestations that present throughout the body and are not confined to one area
Acute
Describes manifestations or illnesses that begin abruptly and last a few days to a few months
Chronic
Describes manifestations or illnesses that develop gradually and generally last longer than 6 months
Insidious
Gradual in onset
Remissions
Symptom-free periods
Exacerbations
Flaring of symptoms