TLS Online TPP Program

#Question id: 1794


Which of the following statements is TRUE of natural antibodies?

#Unit 4. Cell Communication and Cell Signaling
  1. Natural antibodies are mostly IgG

  2. Natural antibodies are mostly high affinity autoantibodies

  3. Natural antibodies are produced spontaneously by CD5+ B-cells

  4. Natural antibodies are acquired by transplacental passage from the mother