Question

Which of the following best describes protection from antigens due to passive immunity? 

A: Immunization leads to the activation of B-cell protection. 

B: After primary exposure to an antigens, memory T cells remain to respond to a secondary exposure. 

C: A mother passes antibodies to her child through breastmilk 

D: Exposure to virus leads to the production of antibodies that can bind to the virus.

Answer 1

C

A mother passes antibodies to her child through breast milk .

Passive immunity is through the transfer of ready made antibodies .

When the mother passes the antibodies to her child through breast milk is best example of passive immunity against antigens .

Rest all are active immunity in which body defense mechanism acts to produce antibodies against antigen .