Question

Assertion(A): Smaller particles (size <5 microns) cause fibrosis of the lung lining.
Reason (R): They are more likely to penetrate into the lungs.

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true but R is not correct explanation of A.
• C. A is true and R is false
• D. A is false and R is true.

Answer 1

The correct option is A Both A and R are true and R is the correct explanation of A

Smaller particles (size <5 microns) cause fibrosis of the lung lining as they are more likely to penetrate into the lungs.