American Board of Internal Medicine (ABIM) Certification Practice Exam

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Study for the ABIM Certification Exam. Use flashcards and multiple choice questions, with hints and explanations for each. Get ready to succeed!

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What is the primary vector for the transmission of Babesiosis?

Ixodes ticks
Sandflies
Houseflies
Fleas

The correct answer is: Ixodes ticks

Babesiosis is primarily transmitted through the bite of Ixodes ticks, commonly known as deer ticks. These ticks are the primary vectors for the protozoan parasites of the genus Babesia, which infect red blood cells and can lead to symptoms such as fever, chills, and anemia. The association with Ixodes ticks is particularly important because these ticks are also known carriers of Lyme disease and other tick-borne pathogens. This relationship emphasizes the need for awareness regarding tick prevention and control in geographical regions where Babesiosis is endemic. The other vectors mentioned in the choices—sandflies, houseflies, and fleas—do not play a role in the transmission of Babesiosis. Sandflies are primarily associated with Leishmaniasis, houseflies can spread various pathogens but are not involved with protozoan infections like Babesiosis, and fleas are mainly known for transmitting diseases like bubonic plague and typhus, but not Babesiosis. Understanding the specific vector for each disease helps in implementing effective prevention strategies.