BackQuiz prep for TS
Terms in this set (23)
Endogenous Infection
Caused by microorganisms already in the human body
Nosocomial infection
acquired by a person while in a health care setting
opportunistic infection
occurs when the body's defenses are weak
Fourth step is...
has to find another reservoir to continue living, this is called mode of transmission
infectious disease
results from an invasion of microorganisms
First step of the chain of infection is....
infectious Agent/ causative agent
what are the 4 types of pathogens
Parasites, fungi, viruses, bacteria
what are the steps of asepsis?
sterlization, disinfection, cleaning/ sanilization
second step is ....
the infectious agent has to find a reservoir (that could be human, animal or any surface or object)
Exogenous Infection
Caused by a microorganism, or pathogens entering the human body through the outside environment. Ex. - mosquito
last step.........
finds a person with weak defense, like very old, young or weakened immune system, the new reservoir is called the susceptible host
what is direct contact
skin to skin, kissing, sexual intercourse
what is airborne?
lingers in the air for a long time
communicable disease
a type of infectious disease that can be transmitted from one person to another
smallest type of microorganism
viruses
what is the distance of droplet
3-6 feet then falls
pathogens
capable of causing disease in a human host
nonpathogens
microorganisms that do not spread diseases
third step...
has to have a portal of exit to leave the reservoir
what are spores
preserve genetic material and help bacteria survive
define asepsis
a condition that is free of pathogens
medical asepsis
maintaining a clean environment to reduce the number of pathogens
step five...?
needs to find a portal of entry, where it will enter the new reservoir