Question:

Which of the following is carrying agent for the disease with given characteristic on polarized microscopy ?
polarized microscopy

Updated On: Jul 11, 2025
  • Anopheles
  • Ixodes scapularis ticks
  • Louse
  • Rat flea
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The Correct Option is B

Solution and Explanation

The image represents a polarized microscopy feature commonly associated with Lyme disease, which is caused by the bacterium Borrelia burgdorferi. This bacterium is transmitted by the Ixodes scapularis ticks, commonly known as deer ticks or black-legged ticks, particularly in North America.
  • Diagnosis: Lyme disease is often identified by its distinct signs on polarized microscopy when examining biopsies or other tissue samples.
  • Transmission: Ixodes scapularis ticks serve as the primary vectors for this bacterium. Proper identification of these ticks is crucial as it helps in identifying the source of infection.

Therefore, the correct answer to the question is Ixodes scapularis ticks, as they are the vector responsible for transmitting the pathogen that exhibits the characteristics visualized under polarized microscopy.

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