The PMHNP is evaluating a 27-year-old woman who has been diagnosed with posttraumatic stress disorder due to a childhood history of sexual trauma. Today she has brought her husband with her. He reports that he sometimes feels he has "two wives who have different likes and dislikes, different tastes in food, clothing, and entertainment, and even talk in different voices." The patient says she has periods in which she has no memory of what took place. As an example, she says she may be dining out with her husband and have no recollection of how she got there. The PMHNP will evaluate for which of the following disorders?

Choice A reason: Dissociative identity disorder is characterized by the presence of two or more distinct identities or personality states and amnesia for daily events, which aligns with the patient’s symptoms. Choice B reason: Adjustment disorder involves emotional or behavioral symptoms in response to a stressor but does not include dissociation or multiple identities. Choice C reason: Schizotypal personality disorder involves eccentric behavior, perceptual distortions, and odd beliefs but does not include distinct identities or memory gaps. Choice D reason: Malingering is intentional production of false symptoms for external gain, whereas this patient demonstrates involuntary dissociative experiences.