responding to antigens

Question 1

macrophages

Answer 1

phagocytose things

Question 2

neutrophils

Answer 2

• mobile cell which can phagocytose
• make up majority of puss
• release chemicals to help destroy

Question 3

dendritic cells

Answer 3

• can phagocytose
• act as professional antigen presenting cell

Question 4

eosinophils

Answer 4

• release toxic chemicals
• help destroy things too big to phagocytose

Question 5

natural killer cells

Answer 5

• detect cancerous and virus-infected cells
• destroys by releasing chemicals to initiate apoptosis

Question 6

mast cells

Answer 6

• release histamines which play role in inflammation, permeability of blood and attracting phagocytes

Question 7

complement proteins

Answer 7

non- cellular innate response
- general name for variety of proteins that react together to detect or destroy pathogens

Question 8

interferons

Answer 8

non- cellular innate response
- a cytokine released when virus detected
- help prevent further infection

Question 9

innate immune response

Answer 9

non - specific, same response no matter what the pathogen

Question 10

leukocytes

Answer 10

work together to detect attack engulf and destroy foreign material
- produced by cells in bone marrow

Question 11

antigens

Answer 11

any substance capable of stimulating an immune response

Question 12

cytokines

Question 13

pathogens: cellular

Answer 13

anything which can cause a disease
( cellular caused by living things)

Question 14

pathogens: non-cellular

Answer 14

non-living
eg; virus, viroids, prions