Elephantiasis caused by
A. Wuchereria bancrofti
B. Ascaris lumbricoides
C. Enterobius vermicularis
D. Fasciola hepatica
A. Wuchereria bancrofti
Elephantiasis is caused by the parasitic infection of Wuchereria bancrofti. Therefore, the correct answer is A. Wuchereria bancrofti.
The correct answer is A. Wuchereria bancrofti.
To arrive at this answer, one needs to have knowledge of the different parasites that cause elephantiasis. Here's a breakdown of each option:
A. Wuchereria bancrofti: This is a parasitic worm that is transmitted to humans through mosquito bites. The worm resides in the lymphatic system, causing blockages and leading to a condition called lymphatic filariasis, which can manifest as elephantiasis.
B. Ascaris lumbricoides: This is a common roundworm that infects the intestines. While it can cause complications, such as intestinal obstruction, it does not directly lead to elephantiasis.
C. Enterobius vermicularis: This is commonly known as the pinworm and primarily infects the intestines. It does not cause elephantiasis but can cause itching and discomfort in the area.
D. Fasciola hepatica: This is a parasitic liver fluke that infects the liver and bile ducts. It does not cause elephantiasis but can lead to other health problems such as liver inflammation.
Therefore, based on the information provided, the correct answer is A. Wuchereria bancrofti.