Test 5

Question 1

explain type 3 immune complex mediated , symptoms , exmples of diseases

Answer 1

1-Ag
2-Apc
3-Th2
4-iL-2.4
5-B lymph
6-Plasma cells
7-IgM,G > Soulable
8- Cic ( circulating immune complex )
9-Depostion of blood vessles
10-actvation of complmet system
11-Vasculaitis
— Symptoms : visculatitis inflammtion of blood vessles
– ex of diases :
1-SLE
2-Acute glumeronphritis
3-Rhumatic fever
4-Rhamatiod arithrositis

Question 2

explain type 4 deylaed hypersinstivity , symptoms , exampls of diseas

Answer 2

1-Ag
2-Apc
3-Th1
4-IFN
5-TNF
6-actvation of microphages
7-accumlation of microphages on the site of inflammation
8-cellular infltrat swiling
–symptoms:
1-induartion symptoms
2-erythmia
3-cellular inflatret
4-swiling
–EX of disease :
1-tubrclosis
2-Lyprosy
3-Syphalis
4- Allergic :
4-1 contact drematistis
4-2 rejaction of graft
4-3 autoimmune diease