Immune System

Question 1

What are the 4 main types of pathogen?

Answer 1

Bacteria
Fungi
Virus
Protozoa

Question 2

What are some physical defence mechanisms?

Answer 2

Skin
Eye lashes
Body hair (around orifices)
Blood clots/scabs

Question 3

What are some chemical defence mechanisms?

Answer 3

Tears
Ear wax
Stomach acids
Mucus (membrane)
Saliva
Sweat
Acidic vagina
Antibodies
Anti toxins

Question 4

What is innate immunity?

Answer 4

Immunity you are born with such as external physical defences and other internal defences.

Question 5

What is acquired / adaptive immunity?

Answer 5

Immunity that is acquired over life, this can be either passive immunity (some vaccines or breastmilk) or active immunity (from coming into direct contact with the disease or certain vaccines).

Question 6

What is active immunity?

Answer 6

Immunity gained as a result of a triggered immune response, for example, catching a disease or receiving certain vaccines that trigger an immune response.

Question 7

What is active immunity?

Answer 7

Immunity gained as a result of a triggered immune response, for example, catching a disease or receiving certain vaccines that trigger an immune response.

Question 8

What is passive immunity?

Answer 8

Immunity gained that triggered no immune response. For example, receiving Antibodies through breastmilk or antibodies directly through a specific vaccinne.

Question 9

What is an antigen?

Answer 9

A protein on a cell’s surface membrane which causes an immune response

Question 10

What is an antibody?

Answer 10

A protein that binds to specific complimentary antigens and is produced by B-lymphocytes