Question

Which of the following skin lesions is associated with Lyme's disease? A. Bull's eye rash B. Papular crusts C. Bullae D. Plaques

Short answer

Answer: A. Bull's eye rash

Step-by-step solution

Understand Lyme's disease

Lyme's disease is a bacterial infection caused by the bacterium Borrelia burgdorferi, which is transmitted to humans through the bite of infected black-legged ticks. It leads to various symptoms, including a specific type of skin rash.

Analyze each option

A. Bull's eye rash: Also known as erythema migrans, this rash has a central red spot surrounded by a clear area and a red, circular, expanding border, resembling a bull's eye. B. Papular crusts: These are raised, rough-textured skin lesions that shed scaly or crusty flakes. C. Bullae: Large, fluid-filled blisters that are bigger than 0.5 centimeters in diameter. D. Plaques: Slightly raised, flat-topped, or rounded skin lesions.

Identify the correct option

Of the given options, the bull's eye rash (Option A) is the only skin lesion that is associated with Lyme's disease. Erythema migrans is a characteristic symptom of the early stages of Lyme's disease. So, the correct answer is: A. Bull's eye rash