Multiple choice

Which one of the following statements about immunoglobulin in fetal and neonatal infants is false?

  1. Maternal IgG is placentally transferred from 32 to 40 weeks of gestation.

  2. IgM is the first Ig to be made in the fetus.

  3. Most maternal IgG has been catabolized in a normal infant by 12 to 24 weeks of life.

  4. Breast milk IgA is absorbed by the infant's small intestine for up to 6 months of life.

  5. IgM antibodies does not pass across the human placenta.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Human infants do not absorb oral IgA from colostrum or milk, unlike lambs.

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