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: Orthopaedics
[{'content': "All are true about Klumpke's paralysis except \nSelect and explain. \nA. Claw hand is never seen, B. Intrincsic muscles of hand are paralysed, C. Horner's syndrome can be associated, D. Involves lower trunk of brachial plexus", 'role': 'user'}, {'content': "Answer: A \nExplanation: Klumpke's paralysis\n\nC8\xa0and T1\xa0roots involved.\nIntrinsic muscles of hand paralysed.\nWrist and finger flexous are weak.\nUnilateral Horner's syndrome.\nClaw hand is seen.", 'role': 'assistant'}]