A PMHNP is monitoring a 52-year-old male with bipolar I disorder who has been stable on valproate 1,500 mg/day for two years. He reports new fatigue and a 12-pound weight gain over the past three months. Labs show a TSH of 9.8 mIU/L with a low free T4. What is the most appropriate next step?

A 76-year-old woman presents with a 1-year history of visual hallucinations of small animals in her home and fluctuating cognition that her husband describes as good days and bad days. Her MMSE is 24/30. She had one fall last month and shows mild rigidity. Her medication list includes metoclopramide for gastroparesis. Which diagnosis is most consistent with this picture, and what is the most critical prescribing consideration?

During a brief intervention, a patient who drinks more than recommended limits says, ‘I don’t really see the problem.’ Which readiness-to-change state does this most likely reflect, and what approach is most appropriate?

A 38-year-old man with schizophrenia has been stable on clozapine 350 mg/day for three years. He is admitted to the hospital with a respiratory infection and started on ciprofloxacin. On day three, nursing staff report he appears sedated and his speech is slurred. His clozapine level returns at 980 ng/mL. What is the most likely explanation?

A 48-year-old man with treatment-resistant depression was recently started on an irreversible monoamine oxidase inhibitor. He calls the clinic 2 hours after eating at a restaurant with sudden severe headache, neck stiffness, and diaphoresis, and his blood pressure in the office is 210/118 mmHg. The PMHNP recognizes this as a hypertensive crisis most likely caused by:

A 42-year-old woman is evaluated for long-standing feelings of detachment, emotional coldness, preference for solitary activities, and indifference to praise or criticism from others. She has no close relationships outside her immediate family and has little interest in sexual experiences. There are no psychotic features and no perceptual distortions or odd beliefs. The most likely diagnosis is:

Epigenetic mechanisms are implicated in the lasting effects of early life adversity on stress related psychiatric vulnerability. Which statement best describes how early adversity can alter gene expression without changing the DNA sequence?

A 40-year-old woman with bipolar disorder type I is evaluated for new-onset hypothyroidism after two years of lithium therapy. Which mechanism BEST explains lithium-induced hypothyroidism?

Which statement best describes the pathophysiology of neuroleptic malignant syndrome?

A PMHNP holding licenses in two states uses a telehealth platform to conduct a psychiatric evaluation for a patient who is physically located in a state where the PMHNP is not licensed. The patient requests a prescription for an antidepressant. Which principle governs whether this prescription is lawful?

Using the four-topics (four-box) approach to clinical ethics, a PMHNP reviews a case involving a patient with end-stage liver disease and alcohol use disorder requesting controlled sedative medications. Which of the four topics addresses the patient’s values, religious beliefs, and personal goals for care?

A PMHNP is treating a patient who reveals they are actively abusing their elderly mother at home, including withholding meals and medications. The patient is the sole caregiver. What is the most appropriate action?

A patient with chronic depression holds the core belief ‘I am fundamentally defective.’ The PMHNP plans to address this belief directly. Which intervention is MOST appropriate for working at the level of this core belief?

A patient states, ‘I failed one exam, so I am completely worthless and will never succeed at anything.’ The PMHNP recognizes this as which two cognitive distortions occurring simultaneously?

A PMHNP is conducting a Bowen family systems session. Whenever tension rises between two parents, they consistently redirect their focus onto their adult son’s behavior and begin discussing his problems instead of their own conflict. Which Bowenian concept best describes this pattern?