The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In a polytrauma patient, chest tube insertion caused sudden drainage of 1,500 mL blood from left side. Oxygen saturation is 92%. What should be the immediate next step:   (A) Transfer to trauma center   (B) Prepare for immediate open thoracotomy   (C) Auscultate for left chest breath sounds and wait for saturation to rise   (D) Clamp the chest tube
['(D) Clamp the chest tube <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Transfer to trauma center \n (B) Prepare for immediate open thoracotomy \n (C) Auscultate for left chest breath sounds and wait for saturation to rise \n (D) Clamp the chest tube <> possible answers', '  In a polytrauma patient, chest tube insertion caused sudden drainage of 1,500 mL blood from left side. Oxygen saturation is 92%. What should be the immediate next step: <> context@']