Which one of the following diseases is due to an allergic reaction?
Correct answer: D. Hay fever
- A. Enteric fever
- B. Skin cancer
- C. Goitre
- D. Hay fever
Explanation
Hay fever is an allergic reaction to the pollen of grasses, trees, and other plants. It is characterized by inflammation of the membrane lining the nose and sometimes the conjunctiva. The symptoms, including sneezing, a runny or blocked nose, and watering eyes, are a result of histamine released by mast cells.
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