Question

Asthma is a respiratory disease caused due to?

• A. Infection of trachea
• B. Infection of lungs
• C. Bleeding in pleural cavity
• D. Spasm in bronchial muscles

Answer 1

The correct option is D Spasm in bronchial muscles

Asthma is caused due to inflammation of lungs and spasm in bronchial muscles. The peculiar symptoms of the disease are coughing, chest tightness, and shortness of breath. It is mainly caused due to environmental and genetic factor.

So, the correct answer is option D.