A patient was diagnosed with bipolar disorder many years ago. The patient tells the nurse, "When I have a manic episode, there's always a feeling of gloom behind it and I know I will soon be totally depressed." What is the nurse's best response?
a. "Most patients diagnosed with bipolar disorder report the same types of feelings."
b. "Feelings of gloom associated with depression result from serotonin dysregulation."
c. "If you take your medication as it is prescribed, you will not have those experiences."
d. "Your comment indicates you have an understanding and insight about your disorder."