UNIT4 AOS1

Question 1

Macrophages

Answer 1

Recognise, engulf and destroy foreign or damaged tissue

Question 2

Neutrophils

Answer 2

Fast acting and are involved in inflammation. Contain granules which kill engulfed pathogens

Question 3

Dendritic Cells

Answer 3

Find foreign material in body tissue, engulf and then display foreign antigens. They provide a link to adaptive immune response

Question 4

Eosinophils

Answer 4

Leucocytes that release cytokines that kill parasites

Question 5

Natural Killer Cells

Answer 5

Leucocytes that destroy abnormal or infected cells by triggering apoptosis

Question 6

Mast Cells

Answer 6

Leucocytes that release histamines increasing inflammation

Question 7

Interferon

Answer 7

A type of cytokine produced by infected cells that inhibits the synthesis of new viral proteins within the cell

Question 8

Complement Proteins (20)

Answer 8

Stick to invading pathogens, increasing identification by phagocytes, attracting them to area to stimulate their activity. destroy pathogen membranes