This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hanging and strangulation, Subject name: Forensic Medicine
[{'content': 'The aefact seen in a case of suicidal complete hanging is \nSelect and explain. \nA. Transverse tears in carotids, B. Oesophageal banding, C. Dribbling of saliva, D. Unequal pupils', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Banding of the oesophagus is an aefact & non specific. These bands are pale areas in the mucosa caused by postmoem hypostasis being prevented from settling by the external pressure of larynx & trachea.', 'role': 'assistant'}]