Mechanism of action of sodium nitroprusside in cyanide poisoning -: (A) Produces methemoglobinemia, (B) Increased blood flow to liver, (C) Increased blood flow to hea, (D) Increased blood flow to kidney
Answer is A. Ans. is 'a' i.e., Produces methemoglobinemia o Nitrates generate methaemoglobin which has high affinity for cyanide and forms cyanomethaemoglobin.o Cynomethaemoglobin may again dissociate to release cyanide, therefore, sodium thiosulfate is given to form sod.