Question:
Microfilariae with sheathed tail and two nuclei at the tail is suggestive of.
Microfilariae with sheathed tail and two nuclei at the tail is suggestive of.
Updated On: Jun 18, 2025
- Wuchereria bancrofti
- Brugia malay
- Loa loa
- Onchocerca volvulus
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The Correct Option is B
Solution and Explanation
The microfilariae with a sheathed tail and two nuclei at the tail are suggestive of Brugia malayi. Microfilariae are the larval stage of filarial worms, and their detection can aid in diagnosing the type of filarial infection. The distinguishing features of microfilariae are crucial in identifying the specific causative species. Below are key comparative features:
| Species | Sheathed | Nuclei in Tail |
|---|---|---|
| Wuchereria bancrofti | Yes | No distinct terminal nuclei |
| Brugia malayi | Yes | Two distinct nuclei in the tail |
| Loa loa | Yes | No distinct terminal nuclei |
| Onchocerca volvulus | No | No terminal nuclei |
From the table, Brugia malayi is the only species with both a sheathed microfilariae and two nuclei in the tail, making it the correct answer.
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