The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In a caries-free individual the saliva has:   (A) Low buffering capacity for acids   (B) Medium buffering capacity for acids   (C) High buffering capacity for acids   (D) Independent of buffering capacity for acids
['(C) High buffering capacity for acids <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Low buffering capacity for acids \n (B) Medium buffering capacity for acids \n (C) High buffering capacity for acids \n (D) Independent of buffering capacity for acids <> possible answers', '  In a caries-free individual the saliva has: <> context@']