Diseases and Epidemiology Flashcards
1
Q
Categories of disease
A
- hereditary
- degenerative
- neoplastic
- idiopathic
- infectious
2
Q
infectious diseases
A
- contamination and infection
- etiology
3
Q
Koch’s postulates
A
Suspected pathogen present in every case of the disease
Pathogen must be isolated and grown in pure culture
Cultured pathogen must cause disease in experimental host
Same pathogen must be isolated from experimental host
Exceptions :
4
Q
Disease progressioin
A
transmission
- portals o f entry
- portals of exit
5
Q
portals of entry
A
Skin Mucous membranes Placenta Parenteral Aerosol
6
Q
portals of exit
A
Aerosols
Body fluids
Excretions
7
Q
stages of a disease
A
Incubation Prodromal Acute Decline Convalescence
8
Q
incubation period
A
- no signs or symptoms
9
Q
prodromal period
A
- vague
- general symptoms
10
Q
- illness
A
most severe signs and symptoms
11
Q
decline
A
- declining signs and symptoms
12
Q
convalescence
A
- no signs or symptomes
13
Q
epidemiology
A
- study of the progess of disease withi a population
14
Q
epidemiology goals
A
Identify disease sources
Determine disease patterns
Recommend preventative strategies
15
Q
epediomology terms
A
Incidence Prevalence Acute Chronic Exogenous Endogenous Nosocomial Local infection Systemic infection Focal infection Primary infection Secondary infection
