Asthma may be attributed to:

Asthma may be attributed to:
  1. Bacterial infection of the lungs
  2. Allergic reaction of the mast cells in the lungs
  3. Fungal infection of the lungs
  4. Accumulation of fluid in the lung

Solution

Asthma is an allergic reaction characterized by spasm of bronchi muscles because of the effect of histamine released by mast cells.

Occupational asthma is usually caused by inhaling fumes, gases, dust, or other potentially harmful substances during work or job. 

Asthma during childhood has impacted millions of children and their families. The majority of children who develop asthma do so before the age of five.

Asked in: NEET 2016 (Phase 1)

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