This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Sterilization & disinfection of blood spills is done by- \nSelect and explain. \nA. Fordaldehyde, B. Sodium Hypochlorite, C. Tincture iodine, D. Phenols', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .<p>hypochlorites are the most widely used chlorine disinfectants.sodium hypochlorite is available as a liquid.aqueous solutions of this of 5.25 to 6.15 percent is called "house bleach".they have a broad spectrum of antimicrobial activity.do not leave toxic residues,are unaffected by hardness of water are inexpensive and fast acting remove driede or fixed organisms and biofilms from surfaces.</p><p>ref;park&;s textbook of preventive and social medicine,22 nd edition,pg no 120</p>', 'role': 'assistant'}]