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
Which of the following is true regarding competitive inhibition? 
Select and explain. 
A. Vmax increases, B. Vmax decreases, C. Km increases, D. Km decreases
C: Km increases
Answer: C: Km increases 
Explanation: Competitive inhibition leads to increase in Km, and Vmax remains constant.