Quiz: Molecular Components of the Immune System
Question 1 of 3  

Which of the following immunoglobulins is the most prevalent Ig isotype in serum and is also present in intravascular and extravascular spaces?

  • A.

    IgA

  • B.

    IgD

  • C.

    IgE

  • D.

    IgG

Am I correct?