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Multiple Choice
What type of immunity is conferred when a baby receives antibodies from her mother?
A
Innate immunity
B
Cell-mediated immunity
C
Active immunity
D
Passive immunity
Verified step by step guidance
1
Understand the concept of immunity: Immunity is the body's ability to resist or eliminate potentially harmful foreign materials or abnormal cells.
Differentiate between active and passive immunity: Active immunity involves the production of antibodies by the immune system in response to the presence of an antigen, whereas passive immunity is the transfer of active humoral immunity in the form of ready-made antibodies.
Recognize the role of maternal antibodies: During pregnancy, a mother can pass antibodies to her baby through the placenta, and after birth, through breast milk. This provides the baby with immediate protection against certain infections.
Identify the type of immunity: Since the baby receives antibodies directly from the mother without having to produce them, this is an example of passive immunity.
Conclude with the definition: Passive immunity is the short-term immunity that results from the introduction of antibodies from another person or animal, in this case, from mother to baby.