This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thanatology, Subject name: Forensic Medicine
[{'content': "Which of the following is used for determining time since death by algor mois? \nSelect and explain. \nA. Madea's formula, B. Calorimetry formula, C. Nysten's rule, D. Henssge nomogram", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Time since death from algor mois is from nomogram method devised by Henssge. This method is based on experimental data, which can be carried out by a simple computer program or by a nomogram. Adjustments are built in for the body weight, ambient temperature and body temperature. It provides a 95% accuracy of estimating the TSD(time since death) during the first 15 h (with an error of +-2.8 h).', 'role': 'assistant'}]