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NEETZoologyHuman Health and Diseases

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Rheumatoid arthritis is considered an autoimmune disease. Reason (R): In certain conditions, the body's immune system loses the ability to distinguish 'self' cells from 'non-self' and attacks its own cells. In the light of the above statements, choose the most appropriate answer from the options gi

Options

  1. ABoth Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
  2. BAssertion (A) is true but Reason (R) is false.
  3. CBoth Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  4. DAssertion (A) is false but Reason (R) is true.

Correct answer

C. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).

Step-by-step solution

Assertion (A) is true. According to NCERT, rheumatoid arthritis is a chronic inflammatory disorder that is classified as an auto-immune disease. Reason (R) is true and correctly explains the assertion. Auto-immunity occurs when the immune system, due to genetic or other unknown reasons, loses the ability to distinguish between 'self' and 'non-self' cells, leading to an immune response against the body's own tissues. Rheumatoid arthritis is a direct consequence of this loss of self-tolerance, making the reason the c

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