Which of the following is the most common form of incomplete spinal cord injury? A. Central cord  syndrome B. Cauda equina syndrome C. Anterior spinal cord syndrome D. Posterior spinal cord syndrome E. Brown-Sequard lesion 2. A 64-year-old male with a history of chronic alcohol abuse and congestive heart failure is currently recovering from excision of a large right shoulder lesion suspicious for melanoma.  Postoperatively, he is experiencing bleedingand oozing from his surgical site that has persisted despite suture repair and direct pressure for an extended period of time. His labs are drawn, and are as follows: platelets 141 × 103/mL, INR 1.2, fbrinogen 90 mg/dL. Which of the following blood products should be administered next ? A. Fresh frozen plasma B. Cryoprecipitate C. Prothrombin complex concentrate D. Recombinant activated factor VII E. Aminocaproic acid  3. A 75-year-old, 90 kg male with a history of peripheral vascular disease, coronary artery disease, and epilepsy following a recent cerebral infarction presents to the emergency  department after having three witnessed seizures at home. He was intubated at the scene by the  paramedics, and received 8 mg of intravenous lorazepam and 1 g of phenytoin. While you are evaluating him, he has another generalized tonic-clonic seizure, and the nurse asks if you would like to initiate a  continuous propofol infusion. His blood pressure is 94/42 mmHg, and he is having numerous premature ventricular contractions (PVCs) on the electrocardiographic monitor. He has no history of platelet or liver  dysfunction. Which of the following should be performed next? A. Complete the phenytoin load to attain 20 mg/kg, then start propofol infusion B. Complete the phenytoin load to attain 20 mg/kg only C. Administer valproate, 30 mg/kg over 10 min, as well as midazolam 0.2 mg/kg D. Start immediate midazolam infusion at 2 mg/kg/h E. Give a 1 L normal saline bolus, and start a norepinephrine infusion to normalize blood pressure 4. A 38-year-old male is brought to the emergency department after a motor vehicle accident. He is found to have signifcant ecchymoses on his chest and face, with multiple apparent rib fractures. He is in mild respiratory distress, with an oxygen saturation of 89% on room air, and hypotensive, with a systolic blood pressure of 88 mmHg. He has absent breath sounds on the right side. There is currently a delay in obtain a bedside portable chest x-ray. Which of the following should be performed next? A. 28-French chest tube placement B. 16-French chest tube placement C. Obtain computed tomography (CT) of the chest D. Administer 30 cc/kg crystalloid E. Obtain urgent cardiothoracic surgery consult