Created by Diamond Sapphire
over 6 years ago
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innate defense (specific or nonspecific?)
adaptive defense (specific or nonspecific?)
"non self" molecules
Ag: usually large and ___ to the body
___ immunity: uses___ produced by the B cells
___-____ immunity: uses T cells
activation of innate immunity triggered by ____
LPS from gram ____ bacteria cell membrane
_____ from gram positive bacteria cell wall
How do immune cells recognize PAMPs?
PAMP-TLR complex eventually leads to ___
inflammation initiates ____ phagocytosis by blood phagocytes
4 main characteristics of inflammation
to initiate inflammation, cytokines activate ___ cells near the damaged area
mast cells release ____ which ____ blood vessels and ___ cell membrane permeability
another word for extravasation
chemotaxis: recruits _____ (in the blood) which become ____ in the tissue
cytokines induce _____ of bronchi and bronchioles for protection
Phagocytosis: degradation of bacteria by ___
tissue damage--> expressed _____--> leads to ____-->inflammation
macrophages responsible for pus formation
order of phagocytes to arrive at site of infection
body temperature regulated by the ___
3 ways to induce fever
3 effects of fever
interferons are ____ produced by cells with a ___ that offer short-term, ____ resistance to viral infection
main effect of interferons
B cells: named after ___ of Fabricius
b cells= ____ cells and plasma cells
t cells= of ___ origin
HIV virus attacks _____ t cells
B cells= Ab _____
expansion of B cell ___->progeny become memory or plasma cells
___ cells=factory
Ab structure:
2 ___ chains and 2 ____ chains
each chain contains ___ (Fc) and ___ (Fab) fragments
3 Ab classifications
3 main T-cells
Killer (____) T cells: secrete ____ (leads to lysis) and _____(destroys victim's DNA)
Helper T cells: increase responses of ___ and ____ cells
Suppressor T cells: protect against ____ responses