The Immune System

Question 1

The immune system

Answer 1

Guards the body against possible infections

Question 2

Mon-specific défenses

Answer 2

Things that can guard against many types of threats.

Eg. Skin, mucous membranes, phagocytic cells (swallow bacteria and virus)

Question 3

Pathogen

Answer 3

Disease causing agent

Question 4

Specific défense

Answer 4

Deals with 1 type of threat.

Immune system sends weapons specifically for that antigen.

Question 5

Antigen

Answer 5

Protein, or some surface feature that the immune system learns to recognize as being foreign.

Question 6

Eg of specific défenses

Answer 6

Killer T lymphocytes
B Lymphocytes
Helper T lymphocytes

Question 7

Killer T lymphocytes

Answer 7

Recognizes a certain type of foreign cell or cancer cell.

They kill by bursting their targets.

Question 8

B lymphocytes (plasma cells)

Answer 8

Make antibodies specific to 1 type of antigen. Antibody proteins fits a certain antigen like a lock and key. This prevents it from entering host cell.

Question 9

Help T lymphocytes

Answer 9

Controls immune system by sending out chemical signals.

Question 10

Types of vaccinations

Answer 10

Passive immunity

Active immunity

Question 11

Passive immunity

Answer 11

Giving the patient pre-formed antibodies gives them immediate protection, but the protection is short-lived

Question 12

Active immunity

Answer 12

Injecting the patient with antigens, their immune system will learn about this certain pathogen. Days or weeks later, your body will develop ability to protect itself from disease.
Not immediate, but my protect for your lifetime