This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Anaesthesia
[{'content': 'What is the name of the following instrument \nSelect and explain. \nA. TENS box, B. Peripheral nerve stimulator, C. Peripheral nerve locator, D. Poable ECG', 'role': 'user'}, {'content': 'Answer: C \nExplanation: To differentiate peripheral nerve stimulator and locator see the current given,Generally peripheral nerve stimulator:30-50mA Peripheral nerve locator:0.5-5mA peripheral nerve stimulator is used to see whether the effect of muscle relaxant gone off or not before patient wake up from anesthesia.Most commonly stimulated nerve is Ulnar nerve. . Peripheral nerve locator is used to find the nerve in regional block This is a transcutaneous electric nerve stimulator(TENS) used for chronic pain', 'role': 'assistant'}]