Immune Response 1 Flashcards
what type of reaction is a snake bite
type 3
when do type IV reaction manifest
18-24hrs
when do type IV reaction peak and disappear
peak at 40-80hrs
disappear 72-96hours
what is the risk of period anaphylaxis 1in what?
1:3,500
&
1:20,000
mortality of intraoperative allergic reactions
4% with additional 2% surviving with severe brain damage
90% of the allergic reactions evoked by iv drugs occur with in how many minutes of administration
5 minutes
allergic reaction in anesthetized patient: most common life threatening manifestation of an allergic reaction is what?
circulatory collapse
circulatory collapse reflecting vasodilation- what does that do to venous return
decreased venous return
Anaphylaxis is initiated by an antigen binding to
IgE antibodies
how do we produce sensitization?
a prior exposure to the antigen is needed to produce sensitization