Immunology Flashcards
1
Q
What do lysozymes in tears protect against?
A
Gram negatives
Fungus
2
Q
What protects against gram positives?
A
Lactoferrin
Transferrin
3
Q
How does secretory IgA help to defend?
A
Prevents attachments
4
Q
What white cells are in tears?
A
Neutrophils
Macrophages
Mast cells
5
Q
How do neutrophils protect the eye?
A
Attracted by chemotaxis and release free radicals and enzymes
6
Q
What do macrophages do in the eye?
A
Phagocytosis of damaged cells
Triggers adaptive immune system
7
Q
How do mast cells aid immunologically?
A
Release mediators e.g. histamine, leukotrienes to attract more WBCs
