This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: DNB 2018, Subject name: Pharmacology
[{'content': 'Tizanidine produces its action acting on which of the following receptors? \nSelect and explain. \nA. Alpha adrenergic receptors, B. GABA A receptors, C. GABA B receptors, D. Beta adrenergic receptors', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Drugs ending with "nidine" are alpha 2 agonist. Clonidine and Tizanidine are alpha 2 agonist.', 'role': 'assistant'}]