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: Pharmacology
[{'content': 'Initial Vmax of an enzyme - substrate interaction is 10 & Km is 5. After adding Drug B Km is 10. Which of the following is false? \nSelect and explain. \nA. Drug B is a competitive antagonist, B. Increasing the substrate concentration can reverse the inhibition of Drug B, C. Drug B is structurally similar to substrate, D. Drug B binds to allosteric site of the enzyme', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]