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: Biochemistry
[{'content': 'Which of the following is true regarding competitive inhibition? \nSelect and explain. \nA. Vmax increases, B. Vmax decreases, C. Km increases, D. Km decreases', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Competitive inhibition leads to increase in Km, and Vmax remains constant.', 'role': 'assistant'}]