<prompt> Mechanism of action of sodium nitrite in Cyanide poisoning is?Produces methemoglobinemiaIncreased blood flow to liverIncreased blood flow to heaIncreased blood flow to kidney  <response>: Sodium nitrite conves haemoglobin to methemoglobin and this methemoglobin combines with cyanide to form nontoxic cyanmethemoglobin. This cyanmethb will be excreted from the body trough urine REF: Essentials of Medical Pharmacology KD Tripathi 8th ed. 