PAEA Surgery End Of Rotation (EOR) Practice Exam

Which of the following is NOT a characteristic of urticaria?

1. Short-lived swelling of the skin

2. Prolonged local tenderness

3. Transient wheals

4. Leakage of plasma from small blood vessels

The correct answer is: Prolonged local tenderness

Urticaria, commonly known as hives, is characterized by the sudden appearance of raised, itchy welts on the skin, often accompanied by swelling. The defining features include short-lived swelling of the skin, transient wheals, and signs of plasma leakage from small blood vessels, which contribute to the characteristic appearance and sensation of hives. The correct choice indicates that prolonged local tenderness is not a characteristic of urticaria. While itchiness and swelling are common, urticaria does not typically result in lasting tenderness in the affected areas. The wheals are usually transient, resolving within hours, and while there may be some localized discomfort during the episode, it does not manifest as prolonged tenderness. Understanding these characteristics helps in distinguishing urticaria from other dermatological conditions which may present differently, such as more persistent skin reactions or those involving significant pain.