Practical Disease Flashcards
What is disease?
is an interruption, cessation, or disorder of any body function, system or organ
acute disease
short period of sickness, sudden onset, severe
chronic disease
re- occurring symptoms, slower onset, managed rather than curing
communicabilty
ability of a disease to be transmitted from one person to another or spread through the population
latency
chronic disease, non communicable
epi triad
host, vector, environmental, agent
pathogens
organisms or substances such as bacteria, viruses, fungi or parasites that are capable of producing disease
viability
capacity of the pathogen or disease-causing agent to survive outside the host and to exist or thrive in environment
major stages of disease process
1) stages of susceptibility
2) stage of pre-symptomatic disease
3) stage of clinical disease
4) stage of recovery, disability or death
incubation period
communicable disease, acute
Cycle of infection
infected host, portal of exit, mode of transmission, portal of entry, susceptible host
Vehicles
transmission via medium, air, food, water, blood
vectors
organisms that carry disease, mosquitos
fomites
inanimate objects
direct contact (person-person)
skin, saliva, aerosol, sexual contact