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': 'Disinfectance used for blood spills \nSelect and explain. \nA. Phenol, B. Glutaraldehyde, C. Ethanol, D. Sodium hypochlorite', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Hypochlorites are most widely used chlorine disinfectant. Liquid form: sodium hypochlorite Household bleach Broad-spectrum of antimicrobial activities Do not leave toxic residues Unaffected by water hardness Inexpensive and fast-acting Remove dried or fixed organisms and biofilm a from surfaces (refer pgno:129 park 23 rd edition)', 'role': 'assistant'}]