In close relation marriage, female becomes pregnant and her doctor advised her for taking immunosuppressants. So the disease characterised by muscular weakness in mother not transferred, to neonate. The disease and respective antibody may be?
A
Myasthenia gravis, IgM
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B
Myasthenia gravis, IgG
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C
Rheumatoid Arthritis, IgM
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D
Rheumatoid Arthritis, IgG
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Solution
The correct option is B Myasthenia gravis, IgM Myasthenia gravis is characterised by fluctuating muscle weakness and muscles that tire easily. Patients with IgM CA-antibodies had a much lower age of onset and 4/5 thymectomized patients had thymus hyperplasia.
So the correct answer should be option A "Myasthenia gravis, IgM".