Lyme disease is caused by which organism?

Prepare for the CMS II Rheumatology E1 Exam. Enhance your skills with engaging flashcards, detailed explanations, and multiple-choice questions. Get exam-ready today!

Multiple Choice

Lyme disease is caused by which organism?

Explanation:
Lyme disease is caused by a spirochete called Borrelia burgdorferi, which is transmitted to humans by Ixodes ticks in endemic areas. This organism is the primary cause of Lyme disease in North America and Europe. The other bacteria listed are linked to different diseases—Borrelia recurrentis with relapsing fever, Treponema pallidum with syphilis, and Rickettsia rickettsii with Rocky Mountain spotted fever—so Borrelia burgdorferi is the correct causative agent.

Lyme disease is caused by a spirochete called Borrelia burgdorferi, which is transmitted to humans by Ixodes ticks in endemic areas. This organism is the primary cause of Lyme disease in North America and Europe. The other bacteria listed are linked to different diseases—Borrelia recurrentis with relapsing fever, Treponema pallidum with syphilis, and Rickettsia rickettsii with Rocky Mountain spotted fever—so Borrelia burgdorferi is the correct causative agent.

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