A 40-year-old client is admitted to the psychiatric emergency department because of sleeping difficulty, poor judgment, and incoherent at times. The client’s speech is rapid and loose. She reports being a special messenger from the Messiah. She has a history of depressed mood for which she has been taking an antidepressant. Which diagnosis would the nurse suspect
A. Schizophrenia.
B. Paranoid personality.
C. Bipolar illness.
D. Obsessive-compulsive disorder (OCD).
参考答案：C
解析：Bipolar illness is characterized by mood swings from profound depression to elation and euphoria. Delusions of grandeur along with pressured speech are common symptoms of mania. Schizophrenia doesn’t exhibit mood swings from depression to euphoria. Paranoia is characterized by unrealistic suspiciousness and is commonly accompanied by grandiosity. OCD is a preoccupation with rituals and rules.