A: Emphysema is a chronic obstructive- disease
of lung, causing irreversible distension and loss
of elasticity of alveoli.
R: Emphysema is preventable if chronic exposure
to smoke (cigarette and others) and pollutants
is avoided.
A. If both Assertion & Reason are true and the
reason is the correct explanation of the
assertion, then mark (1)
B. If both Assertion & Reason are trye but the
reason is not the correct explanation of the
assertion , then mark (2)
C. If Assertion is true statement but Reason is
fakse, then mark (3)
D. If both Assertion and Reason are false
statements, then mark (4)
