This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peripheral Nerve Injury, Subject name: Orthopaedics
[{'content': "Which of the following is not true about Klumpke's paralysis? \nSelect and explain. \nA. Involves lower trunk of brachial plexus, B. Intrinsic muscles of hand are paralysed, C. Claw hand is a feature, D. Horner's syndrome can never be associated", 'role': 'user'}, {'content': "Answer: D \nExplanation: Klumpke's palsy: most common cause-traumatic vaginal delivery Occurs in lower trunk of brachial plexus (C8-T1) Claw hand is present due to the paralysis of intrinsic muscles of hand It is associated with Horner's syndrome Has poor prognosis", 'role': 'assistant'}]