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
Carbidopa is used in the treatment of Parkinsonism because: 
Select and explain. 
A. Carbidopa is used in the treatment of Parkinsonism because:, B. It decreases peripheral utilisation of L-dopa, C. It decreases peripheral utilisation of L-dopa, D. It decreases peripheral utilisation of L-dopa
B: It decreases peripheral utilisation of L-dopa
Answer: B: It decreases peripheral utilisation of L-dopa 
Explanation: It decreases peripheral utilisation of L-dopa