This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'Desmopressin nasal spray is most useful in which of the following Von Willibrand Disease? \nSelect and explain. \nA. Type 1 VWD, B. Type 2A VWD, C. Type 3 VWD, D. Type I & Type III', 'role': 'user'}, {'content': 'Answer: A \nExplanation: It increases the release of VWF from endothelium. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 972.', 'role': 'assistant'}]