Which organism causes bubonic plague?

Prepare for the Emergency Preparedness Response Course (EPRC) – Clinician Course Test. Dive into multiple choice questions, utilize flashcards for better retention, and explore hints and explanations to enhance understanding. Ace your exam with comprehensive learning!

Multiple Choice

Which organism causes bubonic plague?

Explanation:
Bubonic plague is caused by Yersinia pestis, a gram-negative bacterium transmitted to humans by fleas that feed on infected rodents. In the bubonic form, the bacteria seed regional lymph nodes, leading to painful swollen nodes called buboes; without treatment, the infection can spread and become septicemic or pneumonic. The other organisms represent different diseases: Bacillus anthracis causes anthrax, Borrelia burgdorferi causes Lyme disease, and Rickettsia prowazekii causes epidemic typhus. So the agent responsible for bubonic plague is Yersinia pestis.

Bubonic plague is caused by Yersinia pestis, a gram-negative bacterium transmitted to humans by fleas that feed on infected rodents. In the bubonic form, the bacteria seed regional lymph nodes, leading to painful swollen nodes called buboes; without treatment, the infection can spread and become septicemic or pneumonic. The other organisms represent different diseases: Bacillus anthracis causes anthrax, Borrelia burgdorferi causes Lyme disease, and Rickettsia prowazekii causes epidemic typhus. So the agent responsible for bubonic plague is Yersinia pestis.

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