20.1 : Immunity to Viral Infection Flashcards
what are the 2 major methods of immunity?
- innate
2. adaptive
what is innate immunity
structural protection such as skin and interferon alpha and beta
what is adaptive immunity?
antibody and CD8 + T cells
what type of immunity is most important to fighting viral infection?
adaptive
is adaptive immunity still the most important if no antibody is present?
yes
what are goblet cells?
mucus secretion cells
epithelial cells in the GI tract and lungs are connected by ____
tight junctions
if an epithelial cell is damaged, what does it release? It will then bind to surrounding cells and activate 2 types of kinases ____ and ___
IFN alpha and beta ; JAK and STAT 2
JAK/STAT2 interaction sends message to the nucleus which will stop ___ and/or __
protein translation; RNAase
by stopping protein synthesis and inducing RNAase activity, what is the effect?
prevents formation of new visions; and destroy the cell