The following are multiple choice questions (with answers) about medical knowledge.   **Question:** To check objective pain response, which is best used method   (A) Facial pain scale   (B) Knee jerk reflex   (C) H - Reflex   (D) R III Reflex
['(A) Facial pain scale <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Facial pain scale \n (B) Knee jerk reflex \n (C) H - Reflex \n (D) R III Reflex <> possible answers', '  To check objective pain response, which is best used method <> context@']