This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Pharmacology
[{'content': 'Which of the following drug is responsible for extrapyramidal side effects? \nSelect and explain. \nA. Metoclopramide, B. Cisapride, C. Domperidone, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. MetoclopramideMetoclopramide and domperidone both block the D2 receptor. Metoclopramide can cross the BBB whereas domperidone do not cross. So extrapyramidal side effects are seen with Metoclopramide.', 'role': 'assistant'}]