Non specific Defense and inflammation Flashcards
what does no specific resistance do
it responds to pathogens or foreign substances in a non specific way.
What is the first line of defense
chemical and physical barriers
Stomach interferon, Complement and Transferrins are all?
Antimicrobial Proteins involved with the second line of defense
Natural killer cells are apart of the second line of defense, what is their function?
they destroy cells by putting holes in the plasma membrane to make them leaky
What is the job of phagocytes?
to engulf cells (they may be fixed or wandering macrophages)
Why is fever an aspect of the second line of defense?
the body’s thermostat in the hypothalamus is reset to a higher level, the increased temperature enhances interferon, which inhabits some microbial growth and speeds repair
Symptoms/ signs of inflammation
swelling, redness, heat, pain and loss of function
Functions of infalmmation
- limits the spread of pathogens
- removes debris from damaged tissues
- sets the stage for repair
Phagocytosis is …
the process of engulf bacteria and cell debris
