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Asthama' is due to...

Asthama' is due to

A

Infection of trachea

B

Infection of lungs

C

Bleeding into pleural cavity

D

Spasm in bronchial muscles

Text Solution

Verified by Experts

The correct Answer is:
D
Bronchial spasm is a sudden constriction of the muscle in the walls of the bronchioles. It is caused by the release of substances from most cells under the influence of allergic reaction of asthma
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