The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following nerve fibre types is least susceptible to LA blockade?   (A) A beta   (B) A alpha   (C) B fibers   (D) C fibers
['(B) A alpha <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) A beta \n (B) A alpha \n (C) B fibers \n (D) C fibers <> possible answers', '  Which of the following nerve fibre types is least susceptible to LA blockade? <> context@']