Innate immunity Flashcards
1
Q
What is the first line of defence?
A
Mechanical barriers
Chemical barriers
2
Q
What is the second line of defence?
A
Inflammation response
Phagocytosis
3
Q
What is the third line of defence?
A
Specific immune responses
natural killer cells
4
Q
What 4 components make up innate immunity?
A
Epithelial barrier cells
Phagocytic cells
Natural killer (NK) cells
Cytokines
5
Q
Which cells do NKA’s act upon?
A
Damaged cells.
Infected cells.
6
Q
What are the two killing methods used by NKA’s?
A
Apoptosis.
Direct contact.
7
Q
What am I?
Chemical messengers that coordinate the defences against viral
infections
A
Interferons.
8
Q
What am I?
System of circulating proteins that assist antibodies in destruction
of pathogens
Lyses cells, enhances phagocytosis and inflammation
A
Complement system.
