What Do You Know About Yersinia Pestis?

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Perlita Yamit
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What Do You Know About Yersinia Pestis? - Quiz

This quiz is about the organism that causes the plague disease in humans. The Yersinia Pestis was the bacterium that was known to be the cause of one of the most devastating pandemics in history, the Black Plague.


Questions and Answers
  • 1. 

    Who Was the Swiss Physician that Discovered Yersinia Pestis?

    • A.

      Robert Hooke

    • B.

      Louis Pasteur

    • C.

      Alexandre Yersin

    • D.

      Antonie van Leeuwenhoek

    Correct Answer
    C. Alexandre Yersin
    Explanation
    Alexandre Yersin was a Swiss physician who discovered Yersinia pestis, the bacterium responsible for causing the bubonic plague. Yersin conducted research in Hong Kong during the late 19th century and was able to isolate and identify the bacterium from infected patients. His discovery was crucial in understanding the cause and transmission of the plague, leading to advancements in its prevention and treatment.

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  • 2. 

    What Year Was Yersinia Pestis Discovered?

    • A.

      1723

    • B.

      1798

    • C.

      1860

    • D.

      1894

    Correct Answer
    D. 1894
    Explanation
    Yersinia Pestis, the bacterium responsible for causing the bubonic plague, was discovered in the year 1894. This discovery was made by Alexandre Yersin, a Swiss-French physician and bacteriologist, during an outbreak of the plague in Hong Kong. Yersin successfully isolated and identified the bacterium from the lymph nodes of infected patients, leading to a significant advancement in understanding and combating the disease.

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  • 3. 

    What City Was Yersinia Pestis Discovered?

    • A.

      Hong Kong

    • B.

      Kunming

    • C.

      London

    • D.

      Paris

    Correct Answer
    A. Hong Kong
    Explanation
    Yersinia pestis, the bacterium that causes the bubonic plague, was discovered in Hong Kong. This discovery was made in 1894 by Alexandre Yersin, a Swiss-French physician and bacteriologist. Yersin was conducting research on an outbreak of the plague in Hong Kong and successfully isolated and identified the bacterium responsible for the disease. This discovery was crucial in understanding the transmission and treatment of the plague, and Yersin's work laid the foundation for further research on this deadly disease.

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  • 4. 

    What Was the Original Name Given to Yersinia Pestis by the Person Who Discovered the Organism?

    • A.

      Ageratum Enation

    • B.

      Bubonic Plague

    • C.

      Pasteurella Pestis

    • D.

      Zaire Ebolavirus

    Correct Answer
    C. Pasteurella Pestis
    Explanation
    Pasteurella Pestis was the original name given to Yersinia Pestis by the person who discovered the organism. This name was given in honor of the French scientist, Louis Pasteur, who made significant contributions to the field of microbiology. Yersinia Pestis is the bacterium responsible for causing the bubonic plague, a deadly infectious disease that has had devastating effects throughout history.

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  • 5. 

    Who Is Considered as the Co-discoverer of Yersinia Pestis?

    • A.

      August Von Wassermann

    • B.

      Kitasato Shibasaburō

    • C.

      Paul Ehrlich

    • D.

      Paul-Louis Simond

    Correct Answer
    B. Kitasato Shibasaburō
    Explanation
    Kitasato Shibasaburō is considered as the co-discoverer of Yersinia Pestis. Yersinia Pestis is the bacterium responsible for causing the bubonic plague, also known as the Black Death. Kitasato Shibasaburō, along with Alexandre Yersin, independently identified and isolated the bacterium in 1894 during a plague outbreak in Hong Kong. They both made significant contributions to the understanding and research of Yersinia Pestis, leading to its identification as the causative agent of the bubonic plague.

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  • 6. 

    Which of the Following Animal is Known to Act as the Main Reservoir in the Environment For Yersinia Pestis?

    • A.

      Bat

    • B.

      Cat

    • C.

      Dog

    • D.

      Rat

    Correct Answer
    D. Rat
    Explanation
    Rats are known to act as the main reservoir in the environment for Yersinia Pestis. Yersinia Pestis is the bacterium that causes the deadly disease known as the plague. Rats are highly susceptible to this bacterium and can carry it in their blood. Fleas that infest rats can then transmit the bacterium to humans through bites, leading to the spread of the disease. Therefore, rats play a crucial role in the transmission and maintenance of Yersinia Pestis in the environment.

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  • 7. 

    Which of the Following Area Was the Origin of the Third Pandemic of Plague?

    • A.

      Alexandria, Egypt

    • B.

      Gurugram, India

    • C.

      Mogadishu, Somalia

    • D.

      Yunnan, China

    Correct Answer
    D. Yunnan, China
    Explanation
    The correct answer is Yunnan, China. Yunnan is believed to be the origin of the third pandemic of plague. The third pandemic started in the mid-19th century and spread globally, causing millions of deaths. Yunnan, located in southern China, is known for its diverse wildlife and proximity to Southeast Asia, which are factors that contributed to the outbreak. The plague is caused by the bacterium Yersinia pestis, which is primarily transmitted through fleas that infest rats. The movement of infected rats and fleas through trade routes played a significant role in the spread of the disease.

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  • 8. 

    What Was the Name of the Plague Known to be Caused by Yersinia Pestis that Devastated the Byzantine Empire?

    • A.

      The Black Plague

    • B.

      The Plague of Byzantine

    • C.

      The Plague of Justinian

    • D.

      Plague of Athens

    Correct Answer
    C. The Plague of Justinian
    Explanation
    The correct answer is The Plague of Justinian. The Plague of Justinian was a devastating pandemic that occurred in the Byzantine Empire during the reign of Emperor Justinian I in the 6th century. It is estimated to have killed between 25-50 million people, causing widespread death and economic decline. The plague was caused by the bacterium Yersinia pestis, which is also responsible for the Black Death that occurred in the 14th century.

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  • 9. 

    When Did the Black Plague Occur?

    • A.

      541 to 542

    • B.

      1346 to 1353

    • C.

      1632 to 1664

    • D.

      1855 to 1895

    Correct Answer
    B. 1346 to 1353
    Explanation
    The Black Plague, also known as the Bubonic Plague, occurred from 1346 to 1353. It was one of the deadliest pandemics in human history, resulting in the deaths of millions of people in Europe. The plague was caused by the bacterium Yersinia pestis, which was spread by fleas that infested black rats. The disease caused severe symptoms such as fever, chills, swollen lymph nodes, and ultimately death. The Black Plague had a significant impact on society, leading to social, economic, and cultural changes in Europe.

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  • 10. 

    Which of the Following Epidemics Was Not Caused by Yersinia Pestis?

    • A.

      The Black Plague

    • B.

      Plague of Athens

    • C.

      Plague of Justinian

    • D.

      Third plague pandemic

    Correct Answer
    B. Plague of Athens
    Explanation
    The Black Plague, Plague of Justinian, and Third plague pandemic were all caused by Yersinia Pestis, a bacterium that is transmitted through fleas. However, the Plague of Athens was not caused by Yersinia Pestis, but rather by typhoid fever or a similar disease. This is why the Plague of Athens is the correct answer to the question.

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