Painful and profoundly swollen limb/limbs are a long-term physical consequence of–

Correct option is A

Sol. Lymphatic Filariasis, also called elephantiasis, is a parasitic disease caused by Wuchereria bancrofti. It leads to chronic swelling of limbs, breasts, or scrotum due to lymphatic system damage. This swelling is often irreversible and causes disability, stigma, and social isolation. The infection is spread by mosquitoes and is preventable through DEC (diethylcarbamazine) tablets under National Filaria Control Programme.
Explanation of each option:
· (a) Lymphatic Filariasis – Correct. It causes lymphatic obstruction, leading to painful, thickened, and disfigured limbs — especially in chronic untreated cases.
· (b) Dengue – Incorrect. While dengue causes acute muscle/joint pain, it does not lead to chronic limb swelling or long-term deformity.
· (c) Malaria – Incorrect. Malaria affects red blood cells and causes fever, chills, and anemia, but not lymphatic swelling.
· (d) Yellow Fever – Incorrect. Yellow fever causes jaundice and bleeding, not chronic limb swelling or lymphedema.