Assertion : Sneezing, watery eyes, and difficulty in breathing are common symptoms observed when a sensitized person is exposed to animal dander. Reason : Animal dander acts as an allergen that interacts with IgE antibodies, triggering the release of histamine and serotonin from mast cells. In the light of the above statements, choose the correct answer from the options given below:

Step-by-step solution

Allergy is the exaggerated response of the immune system to certain antigens present in the environment. Common examples of allergens are mites in dust, pollens, animal dander, etc. Symptoms of allergic reactions include sneezing, watery eyes, running nose, and difficulty in breathing. Therefore, the Assertion is true. Allergy is due to the release of chemicals like histamine and serotonin from the mast cells. The antibodies produced to these are of IgE type. When a sensitized person is exposed to an allergen like