Questions: EACH of the following is TRUE of viral diseases transmitted to humans by an arthropod EXCEPT: they include yellow fever, dengue, and tick-borne encephalitis they are referred to as arboviruses, short for "arthropod-borne" viruses they include Zika, Chikungunya, and West Nile they include Chagas, malaria, and Rocky Mountain spotted fever

EACH of the following is TRUE of viral diseases transmitted to humans by an arthropod EXCEPT:
they include yellow fever, dengue, and tick-borne encephalitis
they are referred to as arboviruses, short for "arthropod-borne" viruses
they include Zika, Chikungunya, and West Nile
they include Chagas, malaria, and Rocky Mountain spotted fever
Transcript text: EACH of the following is TRUE of viral diseases transmitted to humans by an arthropod EXCEPT: they include yellow fever, dengue, and tick-borne encephalitis they are referred to as arboviruses, short for "arthropod-borne" viruses they include Zika, Chikungunya, and West Nile they include Chagas, malaria, and Rocky Mountain spotted fever
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Solution

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The answer is the last one: they include Chagas, malaria, and Rocky Mountain spotted fever.

Explanation for each option:

  1. They include yellow fever, dengue, and tick-borne encephalitis: This is true. Yellow fever, dengue, and tick-borne encephalitis are all viral diseases transmitted to humans by arthropods (mosquitoes and ticks, respectively).

  2. They are referred to as arboviruses, short for "arthropod-borne" viruses: This is true. Arboviruses are indeed viruses that are transmitted by arthropods, such as mosquitoes and ticks.

  3. They include Zika, Chikungunya, and West Nile: This is true. Zika, Chikungunya, and West Nile are all viral diseases transmitted by mosquitoes, which are arthropods.

  4. They include Chagas, malaria, and Rocky Mountain spotted fever: This is false. Chagas disease is caused by a protozoan parasite transmitted by triatomine bugs, malaria is caused by Plasmodium parasites transmitted by Anopheles mosquitoes, and Rocky Mountain spotted fever is a bacterial infection transmitted by ticks. None of these are viral diseases, so this statement is incorrect in the context of viral diseases transmitted by arthropods.

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