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प्रश्न
Newborns ______.
विकल्प
receive IgM antibodies from the mother through placental transfer
have virtually a full complement of maternal IgG antibodies
have very few lymphocytes in their circulation
receive maternal B-cells
MCQ
रिक्त स्थान भरें
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उत्तर
Newborns have virtually a full complement of maternal IgG antibodies.
Explanation:
Newborns do not receive IgM antibodies from the mother through the placenta; IgM antibodies do not cross the placenta. Instead, they primarily receive maternal IgG antibodies, which provide passive immunity. Newborns generally have an immature immune system but have a substantial number of lymphocytes circulating. Maternal B-cells are not transferred to the newborn.
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