Rationale for vaccines / Types of immunizations passive versus active

Question 1

Why doe vaccines work?

Answer 1

because of the memory cell response

vaccines introduce an antigen at a low dose. the immune system makes memory cells
the next infection is a much faster response

Question 2

How long does it take for a primary immune response?

Answer 2

a couple of weeks

Question 3

How long does it take for the secondary immune response?

Answer 3

a few days

its a stronger response

Question 4

What are the types of immunizations?

Answer 4

Passive

active

Question 5

What is passive immunization?

Answer 5

injecting preformed Abs into an individual.

antibodies made from another individual

Question 6

What are some examples of passive immunity?

Answer 6

often from another species

Maternal Abs

Question 7

When is passive immunization used ?

Answer 7

used when need immediate response

passive immunization offer No memory response

Question 8

What is active immunization?

Answer 8

develop a memory response

through infection or through vaccination