Which of the following statements concerning immunoglobulins is wrong:
Only IgG can cross placenta, other classes cannot cross placenta. Hence fetal infection cannot be diagnosed by IgG, IgM is the predominant antibody present in primary immune response. Levels of IgE are markedly raised in parasitic infections.
IgM does not cross placenta
IgE increased in parasitic infection
IgM increased in primary response
Fetal infection can be diagnosed by detection of IgG
Immunology Pa 1 (Immune Response, Antigen-Antibody Reactions, Hypersensitivity, Structure of Immune System, Immunodeficiency Disorders)