The Immune System Flashcards
Innate Immunity
defenses against any pathogen; rapid, present at birth
What protects the skin and mucous membranes from infection?
dendritic cells
What is the role of phagocytosis?
the ingestion of a microorganism or other substance by a cell
What is the purpose of normal microbiota? How does it work?
Purpose:
–Produce substances harmful to pathogens
–Alter conditions that affect pathogen survival
–Prevent the overgrowth of harmful microbes
–Play an important role in the development of
the immune system
What are the effects of histamine?
they work in allergic responses; can cause diarhea, vomiting, or itching
Body chills are the sign of __________________.
fever
What is included in innate immunity?
skin, macrophage, killer cell
What is involved in the resistance to parasitic helminths?
eosinophils
What is the first step of inflammation?
Tissue damage, blood vessels dilate, increased permeability of blood vessels, edema
T/F: Antibody synthesis is involved in the process of inflammation
True
What body temperature (in Celsius) range can lead to death?
44 degrees celsius
Can normal microbiota also cause disease?
yes
Is inflammation only triggered by infection?
no it can also be triggered by microbial infections, physical agents(cuts, heat. electricity), and chemical agents (gases, acids)
What is the role of histamine?
they cause allergic and anapholactic symptoms
