A client admitted with a closed head injury after a fall has a blood alcohol level of 0.28 (28%)and is difficult to arouse. Which intervention during the first 6 hours following admission should the RN identify as the priority? A. Give lorazepam (Ativan) PRN for signs of withdrawal. B. Administer disulfiram (Antabuse) immediately. C. Place in a side lying position with head of bed elevated. D. Provide thiamine and folate supplements as prescribed.