This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peripheral Nerve Injuries, Subject name: Orthopaedics
[{'content': 'For which of the following nerve palsies is the below test detected? \nSelect and explain. \nA. Median nerve, B. Ulnar nerve, C. Radial nerve, D. Anterior interosseous nerve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Ulnar nerveThe picture shows the card test which tests the ulnar nerve (palmar interossei).* In this test, the examiner inserts a card between the two extended fingers, and the patient is asked to hold it as tightly as possible, while the examiner tries to pull the card out.* The power of adductors palmar interossei-adduction (PAD) can thus be judged.* Ulnar nerve supplies the hypothenar muscles, all the palmar and dorsal interossei and medial two lumbricals.', 'role': 'assistant'}]