A 10-year-old boy is brought by his mother to the PMHNP for evaluation of a sudden onset of obsessions, compulsions, and tics. During the history and exam, the PMHNP learns that the child recently had strep throat. What is the most likely diagnosis?

A 23-year-old graduate student is appointed to be the team leader for a group project. He is so rigid and inflexible about the rubric that other members of the team get frustrated, and the project almost collapses. He insists that each section must be completed and perfected before the next section can be started. The project is eventually finished, but no one on the team will work with him again. Which disorder best reflects this man's behaviors?

A patient presents with symptoms that are suspicious for celiac disease. Which of the following risk factors does NOT warrant further evaluation?

A 47-year-old male patient undergoing chemotherapy has a platelet count of 20,000 per microliter. Which of the following statements by the NP demonstrates correct education in regard to the low platelet count?

A 61-year-old male patient presents to the nurse practitioner with a suspected venous thromboembolism. The NP understands that heparin is appropriate to use in all of the following diagnoses except:

The pathophysiology of anxiety disorders is thought to result from which area of the brain?

A 66-year-old woman presents to the nurse practitioner with complaints of dyspnea, syncope, and palpitations. She believes she is having anxiety, but she has no history of mental health issues and is undergoing no major stressors. Which findings on physical exam would lead the NP to suspect atrial fibrillation?

A first-time mother brings her 6-month-old son in for a well-visit. She tells the nurse practitioner that she is delaying vaccination because he is “not in daycare,” and she doesn’t want to “overload his immune system.” What is the NP’s most appropriate response?

A 29-year-old female patient presents to the nurse practitioner with complaints of an enlarged thyroid gland and protruding eyeballs. The NP learns the patient has hypertension, nervousness, and fine tremors of the hands. Which of the following diagnoses is most consistent with the NP's assessment?

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 25-year-old married woman explains to the PMHNP that she spends an inordinate amount of time tweezing her eyebrows every evening. She says she has anxiety when she looks in the mirror and sees asymmetry in her eyebrows. She tries to pull every hair that is out of place. This can take more than an hour each evening, and it is becoming problematic because she is still unhappy after tweezing. She only stops when her husband demands it, after telling her how beautiful she is and that the asymmetry is "all in her head." She still feels an urge to tweeze her eyebrows every night in an attempt to "fix" them. What diagnosis is the most appropriate?