This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S., Subject name: Medicine
A 65-year-old gentleman is having tremors, rigidity and reduced mobility. He is likely to be benefited by? 
Select and explain. 
A. Bromocriptine, B. Alpha methyl dopa, C. Reserpine, D. Acyclovir
A: Bromocriptine
Answer: A: Bromocriptine 
Explanation: Ans. is 'a' i.e., Bromocriptine o Major pathology in parkinsons disease is -Decrease in nigrostriatal dopaminergic neurons.Increase in cholinergic activity:Two major strategies for the treatmentof parkinson's disease is