ATLS Pre-Test & post exam questions and answers. Already graded A

ATLS Pre-Test & post exam questions and answers. Already graded A A 22-year-old man is hypotensive and tachycardic after a shotgun wound to the left shoulder. His blood pressure is initially 80/40 mm Hg. After initial fluid resuscitation his blood pressure increases to 122/84 mm Hg. His heart rate is now 100 beats per minute and his respiratory rate is 28 breaths per minute. A tube thoracostomy is performed for decreased left chest breath sounds with the return of a small amount of blood and no air leak. After chest tube insertion, the most appropriate next step is: --- re-examine the chest A construction worker falls two stories from a building and sustains bilateral calcaneal fractures. In the emergency department, he is alert, vital signs are normal, and he is complaining of severe pain in both heels and his lower back. Lower extremity pulses are strong and there is no other deformity. The suspected diagnosis is most likely to be confirmed by: --- complete spine x-ray series What is true regarding the initial resuscitation of a trauma patient? --- Evidence of improved perfusion after fluid resuscitation could include improvement in Glasgow Coma Scale score on reevaluation In managing a patient with a severe traumatic brain injury, the most important initial step isto: --- secure the airway A previously healthy, 70-kg (154-pound) man suffers an estimated acute blood loss of 2 liters. What applies to this patient? --- An ABG would demonstrate a base deficit between -6 and -10 mEq/L. The physiological hypervolemia of pregnancy has clinical significance in the management of the severely injured, gravid woman by: --- increasing the volume of blood loss to produce maternal hypotension.