Q36 / 180 · NEET 2019 (All India) · Botany

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.
  • Correct answer
    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.

Solution

Allergic bronchitis involves inflammation of the bronchi caused by an allergen, or something to which you are allergic. Airway irritants, such as pollen, dust, and mold, can trigger symptoms. It causes difficulty in breathing and followed with a severe cough, restlessness, cough and a wheezing sound while breathing.

Hence, the correct answer is option: 'B'.

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