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Explore conceptually related problems
Read the following statements and select the correct option. Statement 1 : When the immune system fails to recognise 'sell' from 'nonself' and starts destroying body's own proteins, this leads to auto-immune diseases. Statement 2 : Addison's disease and rheumatoid arthritis are auto-immune diseases.
Which of the following are the reason (s) for Rheumatoid arthritis ? Choose the correct option. (i) The ability to differentiate pathogens or foreign molecules from self cells increases. (ii) Body attacks self cells. (iii) More antibodies are produced in the body. (iv) The ability to differentiate pathogens or foreign molecules from self cells is lost.