This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscles of arm and forearm region & Cubital fossa, Subject name: Anatomy
[{'content': 'Abduction of Hand is caused by:- \nSelect and explain. \nA. Flexor carpi radialis, B. Flexor carpi ulnaris, C. Flexor digitorum profundus, D. Flexor digitorum superficialis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Abduction of the hand occurs at the wrist joint, carried out by the muscles like Flexor carpi radialis. Flexor carpi ulnaris works for adduction of hand at wrist joint along with ulnar detion. Flexor digitorum profundus flexes DIP joint, PIP joint, MP joint of fingers Flexor digitorum superficialis flexes PIP joint, MP joint of fingers and wrist.', 'role': 'assistant'}]