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
Serious complication of prolonged sitting posture 
Select and explain. 
A. Dysanythmia, B. Hypotension, C. Nerve paralysis, D. Venous embolism
D: Venous embolism
Answer: D: Venous embolism 
Explanation: 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