<prompt> Basal ganglia calcification is associated with poisoning of?Carbon dioxideCarbon monoxideHydrogen sulfideSulfur dioxide  <response>: Ans BCommon causes of basal ganglia calcification are aging, Fahr disease, carbon monoxide and lead poisoning, mineralizing microangiopathyMELAS, hypoparathyroidism, pseudohypoparathyroidism, TORCH infection. 