The Immune System (1)

Question 1

what’s the role of the immune system ?

Answer 1

1. defence againts microbes
2. defence against the growth of tumour cells
3. homoestatsis (destruction of abnormal or dead cells)

Question 2

what are the types of immunity ?

Answer 2

• innative immunity and adaptive immunity

Question 3

What are the major function of innate immunity ?

Answer 3

1. it’s activated untill adptive immunity activates
2. stimulates adaptive immunity for its responses to be effective against different types of microbes

Question 4

what are the 2 types of defence protection against invading pathogens

Answer 4

• physical and chemical (innate defence)
• cellular (innative defence)
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Question 5

what to monocytes differentiate into ?

Answer 5

macrophase

Question 6

examples of mirophases

Answer 6

• alveolar microphages
• mesengial cells
• kupffer cells

Question 7

what do t helper cells do ?

Answer 7

• express cytokines to coordinate an immune response
• express t cell receptor and CD4 co-receptor
• ## Th1 and Th2

Question 8

what do cytotoxic lymphocytes do ?

Answer 8

• recorgnize virus infected cells
• express T cell receptor and CD8 co receptor