COMMUNICABLE DISEASES Flashcards
What is the FORCE OF INFECTION?
EPIDEMIOLOGIC TRIANGLE
What are the COMPONENTS of the Epidemiologic Triangle?
- HOST
- AGENT
- ENVIRONMENT
Any organism that HARBORS and PROVIDES NOURISHMENT for another organism
HOST
Intrinsic property of microorganism to SURVIVE and MULTIPLY to produce disease
AGENT
The sum total of all EXTERNAL CONDITIONS and INFLUENCES that affect the development of an organism
ENVIRONMENT
NATURAL IMMUNITY:
Acquired thru PLACENTAL TRANSFER
NATURAL PASSIVE
NATURAL IMMUNITY:
Acquired thru RECOVERY from a certain disease
NATURAL ACTIVE
ARTIFICIAL IMMUNITY:
Acquired thru the administration of ANTITOXIN, ANTISERUM, CONVALESCENT SERUM, GAMMA GLOBULINS
ARTIFICIAL PASSIVE
ARTIFICIAL IMMUNITY:
Acquired thru administration of VACCINES and TOXOID
ARTIFICIAL ACTIVE
STAGES OF THE INFECTIOUS PROCESS
I-P-A-C
I - NCUBATION
P - RODROMAL
A - CME
C - ONVALESCENT
STAGE OF THE INFECTIOUS PROCESS:
Non-specific symptoms turns to SPECIFIC signs and symptoms
PRODROMAL
STAGE OF THE INFECTIOUS PROCESS:
ENTRY of the microorganism until the ONSET of symptoms
INCUBATION
STAGE OF THE INFECTIOUS PROCESS:
Symptoms start to ABATE and pt RETURNS to NORMAL state of health
CONVALESCENT
STAGE OF THE INFECTIOUS PROCESS:
DEFINITIVE signs and symptoms develop and become more evident
ACME
Microorganism that CAUSES INFECTION such as bacteria, viruses, parasites, etc
PATHOGENIC MICROORGANISM/
CAUSATIVE AGENT
ABILITY of organism to CAUSE disease
PATHOGENICITY
Disease SEVERITY and INVASIVENESS
VIRULENCE
NUMBER OF ORGANISMS needed to initiate infection
INFECTIVE DOSE
Antigenic Variation
ORGANISM SPECIFICITY
Ability to SURVIVE OUTSIDE the host
VIABILITY
Ability to PENETRATE the cell
INVASIVENESS
Place where microorganisms LIVE such as in humans and animals, soil, food, plants, air or water
RESERVOIR
The path by which the a pathogen LEAVES its host
PORTAL OF EXIT
MODES OF TRANSMISSION:
Maternal and fetal transmission
VERTICAL