A young adult client with a recent diagnosis of bipolar disorder takes lithium carbonate daily. The client informed the school nurse of the desire to live away from home to attend college after graduating in one month. Which information is most important for the nurse to provide the client and his family?

C The client should plan to participate in group or individual therapy while at college. D Despite the illness, the client should be able to live away from home. B The client's serum lithium levels should be routinely evaluated. A The client should be aware of the signs and symptoms of his illness.