Allergic Reactions - Big Blue Flashcards
1
Q
Anaphylactic
A
Require prior exposure
IgE + mast cell -> histamine release
Antibody + antigen complex
2
Q
Anaphylactiod
A
No antibody required
Independent histamine release
Antigens attach to mast cells on their own —> cause the histamine release
3
Q
Epinephrines 2 mechanisms of action in anaphylaxis
A
Relaxes bronchial smooth muscle
Inhibits histamine release
4
Q
H1 receptor??
Histamine
A
Bronchoconstriction
5
Q
H2 receptors??
Histamine
A
Parietal cells
CV effects
