This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'Serious complication of prolonged sitting posture \nSelect and explain. \nA. Dysanythmia, B. Hypotension, C. Nerve paralysis, D. Venous embolism', 'role': 'user'}, {'content': 'Answer: D \nExplanation: There is mounting evidence that prolonged cramped sitting in connection with long lasting air travel increases risk to DVT of the leg which prolongs to pulmonary embolism Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:236,237', 'role': 'assistant'}]