Multiple choice

The protective effects of breast milk are not associated with which one of the following?

  1. IgA antibodies

  2. Lysozyme

  3. Mast cells

  4. CD4 T cells

  5. Colostrum provides active immunity to the baby.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mast cells originate from pluripotent hematopoietic cells in the bone marrow. They are not present in breast milk.