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
Froment test is to check which muscle 
Select and explain. 
A. Abductor policis, B. Palmar interosseous, C. Adductor pollicis, D. Dorsal interosseous
C: Adductor pollicis
Answer: C: Adductor pollicis 
Explanation: Froment sign - compensatory flexion of interphalangeal joint of thumb due to paralysis of adductor policis Adductor policis supplied by deep branch of ulnar nerve