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PMHNP ANCC Review Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
A patient taking lithium complains of increased thirst and frequent urination. What condition should the PMHNP suspect?
- Hypothyroidism
- Hyponatremia
- Neuroleptic malignant syndrome
✔✔B. Diabetes insipidus
Which neurotransmitter is primarily involved in anxiety disorders?
✔✔A. GABA
- Dopamine
- Glutamate
- Acetylcholine
A 10-year-old boy has difficulty paying attention, interrupts others, and has trouble staying seated. What is the most likely diagnosis? 1 / 4
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- Autism Spectrum Disorder
✔✔B. ADHD
- Conduct Disorder
- Oppositional Defiant Disorder
Which class of medication is first-line for treating panic disorder?
- Antipsychotics
- Mood stabilizers
- Stimulants
✔✔B. SSRIs
A client on clozapine presents with fever, sore throat, and malaise. What lab value is most urgent to assess?
- Platelets
- Hemoglobin
- Blood glucose
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✔✔B. Absolute neutrophil count
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What is the mechanism of action of SSRIs?✔✔A. Inhibit reuptake of serotonin
- Block dopamine receptors
- Enhance GABA activity
- Inhibit MAO-A enzyme
In treating PTSD, which therapeutic approach focuses on gradually exposing the client to trauma-related cues?✔✔A. Prolonged exposure therapy
- Supportive therapy
- Psychoanalysis
- Solution-focused therapy
A patient with bipolar I disorder is experiencing mania. Which medication is most appropriate?
- Sertraline
- Diazepam
- Donepezil 3 / 4
✔✔B. Lithium
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A 14-year-old is defiant toward authority, frequently loses temper, and blames others for mistakes. What is the diagnosis?✔✔A. Oppositional Defiant Disorder
- Conduct Disorder
C. ADHD
- Bipolar Disorder
Which lab should be monitored regularly for a patient on valproic acid?✔✔A. Liver function tests
- Hemoglobin A1c
C. BUN
- Amylase
Which of the following is most characteristic of borderline personality disorder?✔✔A. Unstable interpersonal relationships
- Suspiciousness and distrust
- Grandiosity
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