Quiz: Selective Immunoglobulin Deficiency
Question 1 of 3  

Immunoglobulins are proteins that protect the body from infections. There are several types of immunoglobulins, and any one of them may be deficient in people with “selective immunoglobulin deficiency.” Which of the following is the most common immunoglobulin deficiency? 

  • A.

    Immunoglobulin A (IgA)


  • B.

    Immunoglobulin G (IgG)


  • C.

    Immunoglobulin M (IgM)

  • D.

    Immunoglobulin D (IgD)  


Am I correct?