Multiple choice

Which among the following IgGs do(es) not cross through placenta?

  1. IgG1

  2. IgG2

  3. IgG3

  4. IgG4

  5. Both (2) and (4)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Permeable values of these IgGs through placenta are given in the table below:  ||| |---|---| |IgG type|Permeable value crossed through placenta| |IgG1|1.47| |IgG2|0.8| |IgG3|1.17| |IgG4|1.15 | Hence, IgG2 does not cross through placenta.   

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