Malaria — Epidemiology & Control — Topic Test
18 questions · exam mode (answers revealed at the end). 18 min suggested.
Many children from a particular community coming to a hospital were detected to have acute lymphoblastic leukemia (ALL). It was assumed that it is due to the presence of cytotoxic waste in the water of that community. If a case-control study has to be done to find whether the chemical and ALL are associated, what will be taken as the control?
AChildren from the area exposed, but unaffected with the disease
BChildren from the area not exposed and affected with the disease
CChildren coming to your OPD, who do not have the disease
DAll children with ALL irrespective of exposure status