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Comprehensive Dermatology Quiz: Diagnosing and Managing Urticaria and Related Skin Conditions

Explore the complexities of urticaria, commonly known as hives, through this educational content. Understand the symptoms, ranging from moderate to severe, and the potential for chronic conditions or anaphylaxis. Enhance your...

Questions: 11 | Attempts: 11 | Last updated: Oct 17, 2025

Sample Question 1
A 3-year-old female is brought to your office with a 3-hour history of skin lesions that are prominent, warm, papular, and serpiginous. What is the most likely cause of these lesions?

B) Physical abuse

Acute urticaria occurs when an allergen activates mast cells in the skin, and is commonly caused by oral and parenteral drugs, food, and, less frequently, infections. Topical agents and physical abuse are unlikely to present in this manner, and hereditary angioedema is more a systemic illness than a skin disorder.

A) Heredity

D) A topical agent

Sample Question 2
A 27-year-old female office worker presents with the inflamed lesion shown in Figure 2. She is in good health otherwise and takes only iron supplements and oral contraceptives. She has not had any recent illnesses, but she states that she may have had a similar lesion as a teenager. Which one of the following is the most likely diagnosis?

D) Staphylococcal infection

A) Orf virus infection

Although the consequences of nasal (or facial) staphylococcal lesions demand that they receive careful evaluation and culture, most lesions in this area of the face are related to HSV-1 infections. The painful grouped vesicles on an erythematous base indicate a viral infection, likely HSV-1. Herpes zoster would be unlikely because the lesion involves only the distal nose area without other lesions, and symptoms would be unlikely. The appearance of staphylococcal infection would be quite different, contact dermatitis would be more widespread, and orf virus is a sheep-related virus usually seen on the hands.

C) Herpes zoster nasociliary infection

Sample Question 3
Which one of the following would be the most appropriate treatment for this patient?

ANSWER: BContinuous therapy with oral terbinafine for 12 weeks has the highest cure rate and best long-termresolution rate of the therapies listed. Other agents and pulsed dosing regimens have lower cure rates.Topical creams are not appropriate for onychomycosis because the infection resides in the cell of the toenail. Antifungal nail lacquers have a lower cure rate than systemic therapy and should be used only when oral agents would not be safe. Toenail removal is reserved for patients with an isolated infected nail or in cases involving a dermatophytoma.

C) Topical terbinafine (Lamisil AT) daily for 12 weeks

D) Topical ciclopirox (Penlac Nail Lacquer) daily for 12 weeks

A) Oral griseofulvin ultramicrosize (Gris-PEG) daily for 12 weeks

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