Thursday, November 13, 2025

Natural passive immunity ( mother to baby)

 Natural passive immunity.

๐Ÿ’ก Step-by-step explanation:

  1. Passive immunity means antibodies are transferred from one person to another — the recipient doesn’t produce them.

  2. Natural passive immunity happens naturally (not by injection or vaccination).

    • Example: A mother passes antibodies to her baby through the placenta (before birth) and breast milk (after birth).

    • Breast milk — especially colostrum, the first milk — contains IgA antibodies, which help protect the baby’s digestive and respiratory systems.

    • Breastfeeding of an infant provides which of the following types of immunity?
      An infant who is being breastfed is not protected by artificial active immunity.
      MY ANSWER
      An infant who is being breastfed is not protected by natural active immunity.
      An infant who is being breastfed is not protected by artificial passive immunity.
      An infant who is being breastfed is protected by natural passive immunity.

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