Active and Passive Immunity

Question 1

What is active immunity?

Answer 1

When you produce your own antibodies

Question 2

What is passive immunity?

Answer 2

When you are given antibodies by another organism

Question 3

Give an example of natural active immunity

Answer 3

You get infected by a pathogen and undergo a primary immune response

Question 4

Give an example of artificial active immunity

Answer 4

You receive a vaccine and undergo a primary immune response

Question 5

Give an example of natural passive immunity?

Answer 5

You are given antibodies by your mother either in breast milk or the placenta

Question 6

Give an example of artificial passive immunity?

Answer 6

You receive someone else antibodies through a blood transfusion

Question 7

Compare active and passive immunity

Answer 7

Active:

• Slow
• Long term
• Make memory cells
• Exposed to antigen

Passive:

• Fast
• Short term (foreign antibodies are broken down by the body)
• No memory cells
• Not exposed to antigen