1. IgE is also known as reaginic antibody.

2. In Type I (anaphylactic) reactions, histamine is released from the neutrophils.

3. In bronchial asthma, release of chemical mediators results in bronchospasm.

4. Fexofenadine is a non-sedating antihistamine.

5. To prevent allergic reactions, antihistamines e.g., chlorpheneramine, act by blocking histamine H2 receptors.

6. Seasonal allergic rhinitis is also known as hay fever.

7. The usual dosage of cetirizine is 50 mg once daily.

8. Urticaria is a condition similar to allergic contact dermatitis, in that both conditions are characterised by a localised rash occurring due to direct contact of the skin with an allergen.

9. Application of potent topical corticosteroids on the skin can produce cutaneous atrophy.

10. If a patient does not develop an allergic reaction to a particular drug at the first instance, future use of that drug will also not cause allergy.

Answers : 1. Right   2. Wrong   3. Right  4. Right   5. Wrong  6. Right   7. Wrong   8. Wrong   9. Right   10. Wrong