Atls Pre-Test Study Guide Graded A+

After being involved in a motor vehicle crash, a 25-year-old man is brought to a hospital that has surgery capabilities available. Computed tomography of the chest and abdomen shows an aortic injury and splenic laceration with free abdominal fluid. His blood pressure falls to 70 mm Hg after CT. The next step is: {Ans: - perform an exploratory laparotomy}A 7-year-old boy is brought to the emergency department by his parents several minutes after he fell through a window. He is bleeding profusely from a 6-cm wound of his medial right thigh. Immediate management of the wound should consist of: {Ans: - direct pressure on the wound}The best assessment of fluid resuscitation of the adult burn patient is: {Ans: - urinary output of 0.5 mL/kg/hr}A 56-year-old man is thrown violently against the steering wheel of his truck during a motor vehicle crash. On arrival in the emergency department he is diaphoretic and complaining of chest pain. His blood pressure is 60/40 mm Hg and his respiratory rate is 40 breaths per minute. Which of the following best differentiates cardiac tamponade from tension pneumothorax as the cause of his hypotension? {Ans: - breath sounds}The most important, immediate step