The Allergic Cascade Flashcards
1
Q
10 days after initial exposure to allergen, basophils and mast cells primed with IgE antibodies and body becomes sensitized to that _
A
Allergen
2
Q
If body comes into contact with allergen second time, it will be prepared to _
A
Attack
3
Q
- Body and _ come in contact
A
Allergen
4
Q
- Cells of immune system are _
A
Stimulated
5
Q
- _ within the body are alerted
A
IgE antibodies
6
Q
- IgE antibodies bound to mast cells and basophils recognize allergen by _
A
Surface protein
7
Q
- Basophils and mast cell attached to igEs attach to surface proteins of allergen and _ destroyed
A
Healthy basophils and mast cells
8
Q
- Healthy basophils and mast cells destroyed in process called _
A
Degranulation
9
Q
- Histamine released by destroyed mast cells and basophils which causes _ to dilate
A
Surface blood vessels
10
Q
5) surface blood vessels dilated cause drop in _
A
Blood pressure
11
Q
- Dilated blood vessels and drop of blood pressure and _ fill with fluid
A
Spaces between surrounding cells
12
Q
- Depending on allergen and where reaction occurs, may result in _
A
Immediate reaction
13
Q
If reaction happens in mucus membrane of nose, may result in symptoms of _
A
Hay fever
(Sneezing)
14
Q
A