Insect Vectors Of Human Pathogens

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Insect Vectors Of Human Pathogens

Insect Vectors of Human Pathogens.


Questions and Answers
  • 1. 
    Horse flies and deer flies can transmit___________
    • A. 

      Rickettsial pathogens that cause epidemic typhus (Rickettsia prowazeki) and trench fever (R. quintana).

    • B. 

      Francisella tularensis and Bacillus anthracis that cause tularemia and anthrax.

    • C. 

      Protozoan pathogen (Trypanosoma cruzi) that causes Chagas disease in South and Central America.

    • D. 

      Protozoan pathogens (Leishmania spp.) that cause Leishmaniasis .

    • E. 

      Spirochaete pathogen (Treponema pertenue) that causes yaws and may also spread conjunctivitis (pinkeye).

  • 2. 
    Eye gnats can transmit_________
    • A. 

      Rickettsial pathogens that cause epidemic typhus (Rickettsia prowazeki) and trench fever (R. quintana).

    • B. 

      Francisella tularensis and Bacillus anthracis that cause tularemia and anthrax.

    • C. 

      Protozoan pathogen (Trypanosoma cruzi) that causes Chagas disease in South and Central America.

    • D. 

      Protozoan pathogens (Leishmania spp.) that cause Leishmaniasis.

    • E. 

      Spirochaete pathogen (Treponema pertenue) that causes yaws and may also spread conjunctivitis (pinkeye).

  • 3. 
    Sand flies can transmit ____________
    • A. 

      Rickettsial pathogens that cause epidemic typhus (Rickettsia prowazeki) and trench fever (R. quintana).

    • B. 

      Francisella tularensis and Bacillus anthracis that cause tularemia and anthrax.

    • C. 

      Protozoan pathogen (Trypanosoma cruzi) that causes Chagas disease in South and Central America.

    • D. 

      Protozoan pathogens (Leishmania spp.) that cause Leishmaniasis in parts of Asia and North Africa. They are also the vectors of a bacterium (Bartonella bacilliformis) that causes Carrion's disease (oroyo fever) in South America.

    • E. 

      Spirochaete pathogen (Treponema pertenue) that causes yaws and may also spread conjunctivitis (pinkeye).

  • 4. 
    Human lice can transmit_________
    • A. 

      Rickettsial pathogens that cause epidemic typhus (Rickettsia prowazeki) and trench fever (R. quintana).

    • B. 

      Francisella tularensis and Bacillus anthracis that cause tularemia and anthrax.

    • C. 

      Protozoan pathogen (Trypanosoma cruzi) that causes Chagas disease in South and Central America.

    • D. 

      Protozoan pathogens (Leishmania spp.) that cause Leishmaniasis.

    • E. 

      Spirochaete pathogen (Treponema pertenue) that causes yaws and may also spread conjunctivitis (pinkeye).

  • 5. 
    Assassin bugs or kissing bugs can transmit______________
    • A. 

      Rickettsial pathogens that cause epidemic typhus (Rickettsia prowazeki) and trench fever (R. quintana).

    • B. 

      Francisella tularensis and Bacillus anthracis that cause tularemia and anthrax.

    • C. 

      Protozoan pathogen (Trypanosoma cruzi) that causes Chagas disease in South and Central America.

    • D. 

      Protozoan pathogens (Leishmania spp.) that cause Leishmaniasis.

    • E. 

      Spirochaete pathogen (Treponema pertenue) that causes yaws and may also spread conjunctivitis (pinkeye).

  • 6. 
    House flies, blow flies and flesh flies can carry___________
    • A. 

      Protozoan pathogens that cause African sleeping sickness (Trypanosoma gambiense and T. rhodesiense).

    • B. 

      Yersina pestis, the bacterial pathogen of bubonic plague.

    • C. 

      Rickettsia mooseri that causes murine typhus.

    • D. 

      Shigella dysentariae, Salmonella typhi and Vibrio spp. that cause dysentary, typhoid fever and cholera.They have also been suspected as vectors of the viral agent that causes poliomyelitis.

    • E. 

      Malaria, a disease caused by protozoa in the genus Trypanosoma They are also the main vectors of the viruses that cause yellow fever, West Nile fever, dengue and the other encephalitis viruses.

  • 7. 
    Rat fleas can transmit________________
    • A. 

      Protozoan pathogens that cause African sleeping sickness (Trypanosoma gambiense and T. rhodesiense).

    • B. 

      Yersina pestis, the bacterial pathogen of bubonic plague.

    • C. 

      Francisella tularensis and Bacillus anthracis that cause tularemia and anthrax.

    • D. 

      Shigella dysentariae, Salmonella typhi and Vibrio spp. that cause dysentary, typhoid fever and cholera.They have also been suspected as vectors of the viral agent that causes poliomyelitis.

    • E. 

      Malaria, a disease caused by protozoa in the genus Trypanosoma They are also the main vectors of the viruses that cause yellow fever, West Nile fever, dengue and the other encephalitis viruses.

  • 8. 
    Mosquitoes can transmit__________________
    • A. 

      Protozoan pathogens that cause African sleeping sickness (Trypanosoma gambiense and T. rhodesiense).

    • B. 

      Yersina pestis, the bacterial pathogen of bubonic plague.

    • C. 

      Rickettsia mooseri that causes murine typhus.

    • D. 

      Shigella dysentariae, Salmonella typhi and Vibrio spp. that cause dysentary, typhoid fever and cholera.They have also been suspected as vectors of the viral agent that causes poliomyelitis.

    • E. 

      Malaria, a disease caused by protozoa in the genus Trypanosoma They are also the main vectors of the viruses that cause yellow fever, West Nile fever, dengue and the other encephalitis viruses.

  • 9. 
    Tsetse flies can transmit___________
    • A. 

      Protozoan pathogens that cause African sleeping sickness (Trypanosoma gambiense and T. rhodesiense).

    • B. 

      Yersina pestis, the bacterial pathogen of bubonic plague.

    • C. 

      Rickettsia mooseri that causes murine typhus.

    • D. 

      Shigella dysentariae, Salmonella typhi and Vibrio spp. that cause dysentary, typhoid fever and cholera.They have also been suspected as vectors of the viral agent that causes poliomyelitis.

    • E. 

      Malaria, a disease caused by protozoa in the genus Trypanosoma They are also the main vectors of the viruses that cause yellow fever, West Nile fever, dengue and the other encephalitis viruses.

  • 10. 
    Rat fleas can transmit________________
    • A. 

      Protozoan pathogens that cause African sleeping sickness (Trypanosoma gambiense and T. rhodesiense).

    • B. 

      Spirochaete pathogen (Treponema pertenue) that causes yaws and may also spread conjunctivitis (pinkeye).

    • C. 

      Rickettsia mooseri that causes murine typhus.

    • D. 

      Shigella dysentariae, Salmonella typhi and Vibrio spp. that cause dysentary, typhoid fever and cholera.They have also been suspected as vectors of the viral agent that causes poliomyelitis.

    • E. 

      Malaria, a disease caused by protozoa in the genus Trypanosoma They are also the main vectors of the viruses that cause yellow fever, West Nile fever, dengue and the other encephalitis viruses.