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: Anatomy
[{'content': 'Ulnar nerve injury in the arm leads to all except -a) Sensory loss of the medial 1/3rd of the handb) Weakness of the hypothenar musclesc) Claw handd) Adduction of thumb \nSelect and explain. \nA. cd, B. bc, C. bd, D. ac', 'role': 'user'}, {'content': 'Answer: A \nExplanation: High ulnar nerve injury (injury above the elbow), does not cause claw hand. Adduction of thumb is lost. Injury does not lead to adduction of thumb.', 'role': 'assistant'}]