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
Which of the following is a prokinetic drug - 
Select and explain. 
A. Domperidone, B. Cimetidine, C. Ondansetron, D. Hyoscine
A: Domperidone
Answer: A: Domperidone 
Explanation: Ans. is 'a' i.e., Domperidone