Assertion :Emphysema is the permanent abnormal inflation of air space of terminal bronchioles or alveolar sacs. Reason: Destruction of pulmonary tissues specially alveolar septa and flattening of alveolar ducts occur in emphysema.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Emphysema is the inflation of alveoli, destruction of pulmonary tissues especially alveolar septa and flattening of alveolar ducts occur in emphysema.
So, the correct option is 'Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion'.

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