The following are multiple choice questions (with answers) about medical knowledge.   **Question:** What is the ratio of chest compressions and breaths when a lone person is giving cardiopulmonary resuscitation?   (A) 10:01   (B) 15:01   (C) 30:01:00   (D) 30:02:00
['(D) 30:02:00 <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 10:01 \n (B) 15:01 \n (C) 30:01:00 \n (D) 30:02:00 <> possible answers', '  What is the ratio of chest compressions and breaths when a lone person is giving cardiopulmonary resuscitation? <> context@']