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 injury in the arm leads to all except: \nSelect and explain. \nA. Sensory loss of the medial 1/3rd of the hand, B. Weakness of the hypothenar muscles, C. Claw hand, D. Adducted thumb', 'role': 'user'}, {'content': "Answer: D \nExplanation: D i.e., Adducted thumb Adductor pollicis, which is supplied by ulnar nerve, is paralysed in ulnar nerve injury. This results in loss of thumb adduction & Froment's signQ (i.e., use of FPL in place of adductors to hold paper/book between thumb & index finger)", 'role': 'assistant'}]