9. Immune system

Question 1

______ _ _____ secrete a________.

Answer 1

Helper T cells secrete antibodies.

Question 2

M__________ contain l________ which contain d________ e______.

Answer 2

Macrophages contain lysosomes which contain digestive enzymes.

Question 3

Eosinophils:

Answer 3

A type of WBC implicated in numerous inflammatory processes, especially allergic disorders.

Question 4

Natural killer cells:

Answer 4

Kill cells infected with a given virus

Question 5

Functions of the lymphatic system:

Answer 5

[1]
Removal of excess fluid from tissues

[2]
Defending the body against pathogenic organism

Question 6

Lymph is moved through lymphatic vessels because of:

Answer 6

Skeletal muscle contraction

Question 7

The lymphocyte responsible for A.M.I (________ - ________ - ________) is ______ _ __________

Answer 7

The lymphocyte responsible for A.M.I (antibody - mediated - immunity) is killer T lymphocyte

Question 8

Neutrophils:

Answer 8

[1]
Is the first cell types to travel to the site of an infection

[2]
It helps fight infection by ingesting microorganisms and releasing enzymes that kill the microorganisms.

Question 9

Antigens:

Answer 9

Are secreted by plasma cells

They only react with B lymphocytes

They cause the production non-specific antibodies, i.e., antibodies that bond up to 1000 different types of antigens