The client has recently started antidepressant drug therapy. He approaches the nurse complaining of a headache, palpitations, and stiffness in the neck. What is the nurse's priority action?

C Somatoform disorders are characterized by physical symptoms that suggest a medical condition but cannot be fully explained by a general medical condition, another mental disorder, or substance use. Individuals with somatoform disorders often experience distress or impairment due to these symptoms despite medical reassurance that no physical cause can be found.

A. Dysthymia is a type of persistent depressive disorder characterized by a depressed mood that lasts for at least two years. It typically involves emotional and behavioral symptoms rather than physical symptoms without clinical findings.

B. Body dysmorphic disorder involves a preoccupation with perceived defects or flaws in physical appearance that are not observable or appear slight to others. While it involves body image concerns, it does not manifest as physical symptoms in the absence of objective findings.

D. Major depressive disorder primarily involves mood disturbances such as sadness, loss of interest or pleasure, and changes in appetite or sleep. While physical symptoms like fatigue and changes in weight can occur, they are not typically reported persistently without objective clinical findings as seen in somatoform disorders.

A. Purging is a behavior associated with bulimia nervosa, where individuals engage in self-induced vomiting, misuse of laxatives, diuretics, or enemas to compensate for binge eating episodes.

C. Night eating disorder is characterized by recurrent episodes of night eating, typically waking up from sleep to consume food, often accompanied by a lack of appetite in the morning and a significant portion of daily caloric intake occurring after the evening meal.

D. Pica is a disorder characterized by persistent eating of non-nutritive substances, such as clay, dirt, chalk, or paper. Pica involves eating non-food substances and is recognized as an eating disorder due to the potential harm it can cause.

F. Binge eating disorder involves recurrent episodes of consuming large amounts of food within a discrete period, accompanied by a sense of loss of control over eating behavior. Unlike bulimia nervosa, individuals with binge eating disorder do not engage in purging behaviors.

B. Cataplexy is a symptom of narcolepsy, characterized by sudden episodes of muscle weakness or loss of muscle tone, often triggered by strong emotions.

E. Nocturnal myoclonus, also known as periodic limb movement disorder, involves involuntary muscle contractions or jerks during sleep, which can disrupt sleep but is not related to eating behaviors.