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Assertion : Symptoms of emphysema develo...

Assertion : Symptoms of emphysema develops when a person living on plains ascends and stays on a mountain.
Reason : Air pressure and partial pressure of oxygen falls with the rise in altitude.

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 the reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If the assertion is false but the reason is true

Text Solution

Verified by Experts

The correct Answer is:
D
Emphysema is generally caused by long-term irritation, cigarette smoke, air pollution and occupational exposure to industrial dust are the most common irritants.
With the rise in altitude, the atmospheric oxygen decreases, as a result, the respiratory and heart rate increases.
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