Which one of the following is an environment related disorder with the correct main cause?
(a) Black lung disease (pneumoconiosis) found mainly in workers in stone quarries and crushers.
(b) Blue baby disease (methaemoglobinaemia) due to heavy use of nitrogen rich fertilizers in the area.
(c) Non-Hodgkin’s Lymphoma found mainly in workers involved in manufacture of neem based pesticides.
(d) Skin cancer mainly in people exposed to benzene and methane.
(b) Blue baby disease (methaemoglobinaemia) due to heavy use of nitrogen rich fertilizers in the area.
Explanation:
Blue baby disease is caused by nitrate poisoning (presence of methaemoglobin) resulting in organs & cell tissues that are deprived of oxygen & skin with the characteristic blush tint.