phagocytosis

Question 1

are phagocytes specific or non specific ?

Answer 1

non specific

Question 2

what is a macrohage ?

Answer 2

a type of white blood cell that carries out phagocytosis

Question 3

where are phagocytes found ?

Answer 3

naturally occur in blood and tissue

Question 4

what is the first step of phagocytosis ?

Answer 4

the phagocytes in the blood and tissue and the chemicals or debris released by pathogens or abnormal (non self ) cells will attract .phagocytes will move towards these cells

Question 5

what is the second step of phagocytosis?

Answer 5

there are many receptor binding points on the surface of phagocytes .They will attach to the chemicals or antigen on this pathogen via this receptor .

Question 6

what is the 3rd step of phagocytosis ?

Answer 6

the phagocyte changes shape to move around and engulf the pathogen

Question 7

what is the 4th step of phagocytosis ?

Answer 7

once engulfed the pathogen is contained with a phagosome vesicle

Question 8

what is the 5th step of phagocytosis ?

Answer 8

a lysome within the phagocyte will fuse with the phagosome and release its contents

Question 9

what is the 6th step of phagocytosis ?

Answer 9

the lysozyme enzyme is released into the phagosome .this is a lytic enzyme with hydrolyses the pathogen.The pathogen is destroyed

Question 10

what is the 6th step of phagocytosis ?

Answer 10

phagocyte becomes a antigen presenting cell