Assertion : Myaesthenia gravis is an autoimmune disease.
Reason : Immune system rejects the transplant muscles.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct exaplanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

C

Explanation

(c) Autoimmunity is a type of disorder when the immune system of an individual starts rejecting its own body cell or self. This leads to a variety of disease called autoimmune diseases. If the self antigens are muscle cells, then immune system destroys own muscles cells and causes myaesthenia gravis charactersized by severe weakness.