Medicine 1% w/v of methylene blue is injected intravenously into the tissue to reverse the toxic effects of A Methaemoglobinemia B Oxygen toxicity C Crohn's disease D Lidocaine toxicity π‘ Explanation 1% w/v of methylene blue is injected intravenously into the tissue to reverse the toxic effects of β Correct Answer: A. Methaemoglobinemia