The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A-alpha ﬁbers have a speed of conduction of  ------ m/s.   (A) 20-Oct   (B) 40-50   (C) 50-70   (D) 70-120
['(D) 70-120 <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 20-Oct \n (B) 40-50 \n (C) 50-70 \n (D) 70-120 <> possible answers', '  A-alpha ﬁbers have a speed of conduction of  ------ m/s. <> context@']