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OPRA Biomedical Sciences QUESTION #3812
Question 1
What are the correct five classes of immunoglobulins found in the human immune system?
  • A, B, C, D, E
  • A, B, D, E, G
  • A, D, E, G, M✔️
  • A, C, E, G, M
Correct Answer Explanation
The five classes of immunoglobulins are IgA, IgD, IgE, IgG, and IgM. There are no immunoglobulin classes designated B or C.