Disorders of the Immune System Flashcards
1
Q
What is hypersensitivity?
A
Exaggerated/inappropriate immune response = tissue damage.
2
Q
What type of hypersensitivity is this describing?
Antibody reactions that respond to altered components of human cells or directed towards cell surface receptors.
A
Type II
3
Q
What type of hypersensitivity is this describing?
IgG and soluble antigens (own tissue or foreign) form immune complexes.
A
Type III
4
Q
What type of hypersensitivity is this describing?
Delayed hypersensitivity. T-cell mediated.
A
Type IV
5
Q
What are some examples of type II hypersensitivity reactions?
A
- Haemolytic disease of the newborn
2. Grave’s, myasthenia gravis
6
Q
What is the main example of type III hypersensitivity reactions?
A
SLE
7
Q
What are some examples of type IV hypersensitivity reactions?
A
- TB
- Type 1 diabetes mellitus
- Coeliac disease
- IBD
- Psoriasis
