The PMHNP working on an inpatient eating disorders unit is evaluating a 17-year-old girl with suspected anorexia nervosa. Her laboratory results reveal elevated serum cholesterol levels, elevated serum salivary amylase concentrations, and decreased fasting glucose concentrations. Which electrocardiography (ECG) changes will help confirm the diagnosis?

A 22-year-old man reports that he hears someone knocking on his door at night, but every time he answers the door, no one is there. He thinks he hears his neighbors outside talking, even when he knows they are not home. He says he knows it’s his “imagination," but he feels “compelled” to answer the door, “no matter what time of day,” even if he is sleeping. He says he has had similar episodes “in the past,” but this has been going on for at least 6 months, and it has become problematic. What is the most appropriate diagnosis?

A 13-year-old boy presents to the PMHNP accompanied by his mother, who complains of a change in behavior for the past 2 months. The mother says her son frequently loses his temper, is easily angered, is resentful, and is spiteful toward her. This behavior started approximately 4 weeks after she and the boy's father separated and the father moved out of the home. Which of the following helps the PMHNP to rule out oppositional defiant disorder (ODD)?

The PMHNP has just diagnosed a patient with excoriation disorder. To fulfill diagnostic criteria for excoriation disorder, the skin-picking must be severe enough to result in which of the following?

A 26-year-old woman in her 37th week of pregnancy tested positive for Group B Strep. To prevent passing the infection to her newborn, how will she be treated?

A 4-year-old child is preoccupied with her mother's breasts and frequently wants to gently pat them with her hands. Her mother does not visibly react to this; instead, she redirects the child to another activity. The mother is worried that if she shames her daughter about the breast patting, it might "mess her up somehow." According to Erikson, the child's behavior is considered:

The PMHNP is evaluating a 4-year-old boy who is brought in by his foster mother. The child has been living with her for 1 week, and she is concerned about this behavior. Staff at the day care center he attends report that he displays fear unrelated to particular activities. Even when distressed, he does not seek comfort in, nor respond to, any staff members. What additional information about this child would be important in determining whether his symptoms represent reactive attachment disorder (RAD) or autism spectrum disorder (ASD)?

An urgent care nurse practitioner comes in to examine his patient, a 77-year-old woman who was brought in by her family for altered mental status. He notes that the patient appears restless and does not know where she is. Upon further assessment, he notes that her pupils are sluggish to react to light and are unequal in size. She is unable to sit up at the side of the bed and her blood pressure is 190/88 mm Hg. Which of the following does the NP suspect?

A 9-year-old girl witnessed the violent murder of a close family member. She now says she is blind. However, she flinches when objects are quickly moved toward her face. There is no neurologic evidence of blindness. What is the most likely diagnosis?

A 47-year-old woman presents to the PMHNP with a chief complaint of anxiety. She is the primary caretaker for her 79-year-old mother, who has Alzheimer's disease. Which of the following tools will the nurse practitioner use to assess the client's level of anxiety?

A 3-year-old girl has a presentation that meets criteria for autism spectrum disorder. However, a careful history identifies that her head growth began to decelerate around 8 months. What diagnosis will she receive?