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
[{'content': 'Centrally acting skeletal muscles relaxant is: \nSelect and explain. \nA. Carisoprodol, B. Dantrolene, C. Gallamine, D. Succinylcholine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Drugs that act either peripherally or centrally can produce skeletal muscle relaxation. At the periphery, agents (gallamine, succinyl-choline) can either block the neuromuscular junction or directly act on the\xa0 muscle (dantrolene).\xa0\nCentrally acting muscle relaxant (carisoprodol) selectively depress spinal and supraspinal poly-synaptic reﬂex involved in the regulation of muscle tone. It is used in musculoskeletal disorders associated with muscle spasm.', 'role': 'assistant'}]