A client comes into the ER after hitting his head in an MVA. He's alert and oriented. Which of the following nursing interventions should be done first? O a. Open the airway with the head-tilt chin-lift maneuver O b. Assess full ROM to determine extent of injuries O c. Immobilize the client's head and neck O d. Call for an immediate chest x-ray A patient diagnosed with transient ischemic attacks (TIAS) is scheduled for a carotid endarterectomy. The nurse explains that this procedure will be done for what purpose? O a. To remove atherosclerotic plaques blocking cerebral flow O b. To decrease cerebral edema O c. To prevent seizure activity that is common following a TIA O d. To determine the cause of the TIA