Which disease is caused by filarial worm, that leads to chronic inflammation?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Elephantiasis
Option (1) Ascariasis — Incorrect. It is caused by Ascaris, the intestinal roundworm, and causes internal bleeding, muscular pain and blockage of the intestine.
Option (2) Elephantiasis — Correct. The filarial worms Wuchereria live for years in the lymphatic vessels of the lower limbs, causing chronic inflammation and great swelling.
Option (3) Amoebiasis — Incorrect. It is caused by the protozoan Entamoeba histolytica in the large intestine.
Option (4) Ringworm — Incorrect. Despite its name, ringworm is a fungal infection of the skin, nails and scalp (Microsporum, Trichophyton).
NCERT Extract:
Common Diseases in Humans – …
Figure 7.2 Diagram showing inflammation in one of the lower limbs due to elephantiasis