This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nerve Lesions, Subject name: Anatomy
[{'content': 'Froment test is to check which muscle \nSelect and explain. \nA. Abductor policis, B. Palmar interosseous, C. Adductor pollicis, D. Dorsal interosseous', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Froment sign - compensatory flexion of interphalangeal joint of thumb due to paralysis of adductor policis Adductor policis supplied by deep branch of ulnar nerve', 'role': 'assistant'}]