This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
[{'content': "The best indicator of antemortem drowning is - \nSelect and explain. \nA. Froth in mouth and nostrils, B. Cutis anserina, C. Washerman's hand, D. Water in nose", 'role': 'user'}, {'content': "Answer: A \nExplanation: PM findings of drowning \nExternal findings\nA) Specific (diagnostic)\n\n\nWhite, one, lathery, abundant and tenacious froth at nose and mouth which increases on chest compression.\n\n\nWeeds, grass, plants, mud or stones in tightly clenched hands.\n\n\nB)\xa0Non-specific\n\n\nWasher woman hand and feet.\n\n\nCutis antenna (goose skin).\n\n\nHalf opened eye with the dilated pupil and congested conjunctiva.\n\n\nInternal findings\n\n\nSpecific (diagnostic)\n\n\ni) Water in stomach and intestine.\nii) Diatoms in bone marrow and brain.\n\xa0 \xa0 \xa0B. Non-specific\n\nEmphysema aquosum.\nPaltauf's hemorrhage (sub pleural hemorrhage).", 'role': 'assistant'}]