This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Important complications in orthopaedics, Subject name: Anatomy
[{'content': 'First muscle affected in compament syndrome : \nSelect and explain. \nA. Flexor Digitorum sublimis, B. Flexor Digitorum profundus, C. Flexor carpi ulnaris, D. Flexor carpi radialis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Flexor muscles of forearm has superficial and deep mucles. Deep muscles-Flexor digitorum profundus Flexor digitorum longus Pronator quadratus. Deep muscles are more affected by increased intracompamental syndrome. ref : maheswari 9th ed', 'role': 'assistant'}]