The following are multiple choice questions (with answers) about medical knowledge.   **Question:** contractile part of intrafusal fibres   (A) Centre   (B) Ends   (C) None   (D) Both
['(B) Ends <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Centre \n (B) Ends \n (C) None \n (D) Both <> possible answers', '  contractile part of intrafusal fibres <> context@']