A patient presents with restricted interests and repetitive behaviors. Which DSM‑5‑TR diagnostic category best fits this clinical picture?

Case Study Patient: Ms. Linda Johnson, a 72‑year‑old female History & Presentation:Ms. Johnson has a long‐standing history of chronic insomnia and mild generalized anxiety. For the past year, she has been prescribed Xanax (alprazolam) to help with sleep and to manage anxiety. Over recent months, she has experienced several falls at home, which her primary care provider believes may be linked to the sedative effects of her benzodiazepine. Ms. Johnson also has a history of hypertension and osteoarthritis. Due to these falls and concerns about safety, her primary care doctor referred her to a PMHNP for a comprehensive evaluation and to develop an alternative treatment plan for her insomnia and anxiety. What is the recommended first step in modifying Ms. Johnson’s medication regimen to reduce her fall risk?

A 19‑year‑old student exhibits marked inattentiveness, hyperactivity, and impulsivity. Which DSM‑5‑TR diagnosis is most appropriate?

A 32‑year‑old patient with major depressive disorder is started on fluoxetine, an SSRI. Within the first few weeks of treatment, the patient complains of nausea and diarrhea. Which of the following best explains these early side effects?

A patient reports frequent nighttime awakenings and difficulty maintaining sleep continuity. This presentation is most consistent with:

A 60‑year‑old patient with difficulty initiating sleep is started on ramelteon. What is the primary pharmacological target of ramelteon?

A patient presents with both depressive symptoms and sleep disturbances. Which first‑line treatment is commonly considered for this co‑occurrence?

A patient describes a chronic history of mild depressive symptoms persisting for over two years. What is the most likely diagnosis?

Which of the following is an advantage of SNRIs over SSRIs in certain clinical scenarios?

Finding that a patient’s responses are minimal during the interview, the clinician opts to modify the approach. Which interviewing technique is most appropriate?