This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Anatomy
[{'content': 'All of the following are true about Von willibrand factor except: \nSelect and explain. \nA. Syntheszied by hepatocytes, B. Its deficiency can cause factor 8 defect also, C. Its deficiency can cause problem with platelet adhesion, D. Its serves as a carrier for the factor 8', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A seems to be better answer though even the liver cells can produce a small amount of von willibrand factor.(ref Robbins 8th/670-671,9/e661)', 'role': 'assistant'}]