chapter 1 Flashcards
a state of complete physical, mental, and social well-being and not merely the absence of disease and infirmity
WHO definition of health
- attain lives free of preventable disease, disability, injury, and premature death
- achieve health equity and eliminate disparities
- promote good health for all
- promote healthy behaviors across the lifespan
U.S. DH&HS definition of healthy people
the study of the body’s response to dysfunction or disease
pathophysiology
defined as an interruption, cessation, or disorder of a body system or organ structure
consists of etiology, pathogenesis, morphologic changes, clinical manifestations, diagnosis, clinical course
disease
etiologic factors/causes of disease
- biologic agents
- physical forces
- chemical agents
- nutritional excesses or deficits
sequence of cellular and tissue events that take place from the time of initial contact w/ an etiologic agent until the ultimate expression of a disease
pathogenesis
types of morphologic changes dealing with cellular and tissue
cytological
histological
lesion
aspects of clinical manifestations
- sign
- symptom
- syndrome
- complications
- sequela
noted by observer
sign
subjective complaint
symptom
compilation of signs and symptoms
syndrome
adverse events of disease or treatment
complications
condition which is a consequence of the disease or injury
sequela
designation as to the nature or cause of a health problem
diagnosis
the extent to which an observation, when repeated gives the same result
reliability
the extent to which a measurement tool measures what it is intended to measure
validity
determining the likelihood or how well the test or observation identifies people with or without a disease
sensitivity and specificity
the extent to which an observation or test result is able to predict the presence of a given disease or condition
predictive value
positive test, disease present
true positive
positive test / disease absent
false positive
negative test / disease present
false negative
negative test / disease absent
true negative
aspects of disease frequency
- disease case
- incidence
- prevalence
