JAMB - Biology (2008 - No. 28)
A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contacted
schistosomiasis
onchocerciasis
poliomyelitis
salmonellosis
설명
Schistosomiasis is also known as bilharzia, snail fever, and Katayama fever. It is a disease caused by parasitic worms of the Schistosoma type. It may infect the urinary tract or the intestines. Signs and symptoms may include abdominal pain, diarrhea, bloody stool, or blood in the urine. In those who have been infected for a long time, liver damage, kidney failure, infertility, or bladder cancer may occur.
The disease is spread by contact with water contaminated with the parasites. These parasites have been released from their freshwater snail hosts.
The disease is spread by contact with water contaminated with the parasites. These parasites have been released from their freshwater snail hosts.