ATLS Post Test with Questions and Answers

ATLS Post Test with Questions and Answers A 24 year old male pedestrian, struck by an automobile, is admitted to the emergency department 1 hour after injury. His blood pressure is 80/60 mmHg, heart rate 140 beats per minute and respiratory rate is 36 per minute. He is lethargic. Oxygen is delivered via face mask, and two large-caliber IVs are initiated. Arterial blood gases are obtained. His PaO2 is 118 mmHg, PaCO2 is 30 mmHg, and pH is 7.21. The treatment of his acid-base disorder is best accomplished by: A. Hyperventilation B. Restoration of normal perfusion C. Initiation of low-dose dopamine D. Administration of sodium bicarbonate E. Initiation of phenylepinephrine infusion ANSWER B The highest priority in managing a patient whose injuries include closed extremity fractures is: A. Assessing limb perfusion B. Preventing necrosis of the skin C. Decompressing compartment syndrome D. Addressing respiratory insufficiency E. Identifying crush syndrome ANSWER D A 34-year-old female is involved in a motor vehicle crash is brought to the emergency department. She is talking, but her voice is hoarse and on exposure she has diagonal bruising of the chest and anterior neck. What is the next step?