Question

Immunity that develops in the fetus after receiving antibodies from the mother's blood through the placenta is known as

• A. Naturally acquired active immunity.
• B. Artificially acquired active immunity.
• C. Naturally acquired passive immunity.
• D. Artificial acquired passive immunity.

Answer 1

The correct option is C Naturally acquired passive immunity.

Active immunity refers to immunity due to the immune system’s response to a microorganism or a vaccine while the passive immunity refers to acquired protection against infection by transfer of antibodies to a susceptible individual. So, the immunity acquired by new born child from mother's milk is naturally acquired passive immunity. Thus, the correct answer is option C.