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Questions and Answers
Which type of cells demonstrate decreased chemotoxis in infants, reaching adult levels at age 7?
Which type of cells demonstrate decreased chemotoxis in infants, reaching adult levels at age 7?
- Monocytes
- Neutrophils
- Phagocytic cells (correct)
- B cells
Which type of immunity does not cross the placenta, but fetal cells may become sensitized to antigens that do cross the placenta?
Which type of immunity does not cross the placenta, but fetal cells may become sensitized to antigens that do cross the placenta?
- Innate immunity
- Cellular immunity (correct)
- Humoral immunity
- Passive immunity
Which antibody classes do not cross the placenta and require an antigenic challenge for production?
Which antibody classes do not cross the placenta and require an antigenic challenge for production?
- IgA, IgD, IgE, IgM (correct)
- IgG, IgA, IgM, IgE
- IgG, IgA, IgD, IgE
- IgG, IgM, IgD, IgE
What is the primary function of passively filtering plasma for bacteria or foreign material?
What is the primary function of passively filtering plasma for bacteria or foreign material?
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How do infant B cells respond to infection compared to adults?
How do infant B cells respond to infection compared to adults?
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