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.

Options

A. (i) and (ii)
B. (ii) and (iv)
C. (iii) and (iv)
D. (i) and (iii)

Answer

B