The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following tooth shows C shaped canal   (A) Mandibular 1st premolar   (B) Maxillary 1st premolar   (C) Mandibular 2nd premolar   (D) Maxillary 2nd premolar
['(A) Mandibular 1st premolar <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Mandibular 1st premolar \n (B) Maxillary 1st premolar \n (C) Mandibular 2nd premolar \n (D) Maxillary 2nd premolar <> possible answers', '  Which of the following tooth shows C shaped canal <> context@']