Infection Lecture Flashcards
what is the difference between endogenous and exogenous microorganisms?
Endogenous microorganisms are found in/ on the body. Exogenous microorganisms are found from the outside world.
Define direct transmission and indirect transmission.
Direct transmission = hand shaking, kissing, etc.
Indirect transmission = door knobs, elevator buttons, etc.
Colonization is the pathogens ability to survive and …
multiply in the human environment
The invasion or Penetration stage is the ability to cross…
surface barriers, (after the pathogen gets through physical barriers) (skin, mucous, etc)
Dissemination is the spread of…
Spread of infection! Sometime the pathogen can spread to other organs.
Cellular or tissue damage can be direct from production of toxins or can be…
indirect as a result of our own immune response
