Lyme disease is caused by which organism?

Prepare for the CMS II Rheumatology E1 Exam with our comprehensive quiz. Study using flashcards and multiple-choice questions, each with hints and explanations. Get ready for success!

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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