Q. Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to :
A) benign growth on mucous lining of nasal cavity.
B) inflammation of bronchi and bronchioles.
C) proliferation of fibrous tissues and damage of the alveolar walls.
D) reduction in the secretion of surfactants by pneumocytes.
Explanation
[Solution] Asthma, inflammation of bronchi and bronchioles, causes wheezing. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.