WGU D344 diagnostic processes assessment (PMHNP) Exam with Questions and Answers

WGU D344 diagnostic processes assessment (PMHNP) Exam with Questions and Answers A 32-year-old client presents with low mood, insomnia, poor concentration, and fatigue for 3 weeks following job loss. The clinician immediately diagnoses major depressive disorder without further inquiry. What is the most likely error in diagnostic reasoning? a. Base rate neglect b. Premature closure c. Anchoring bias d. Confirmation bias Correct Answer: b Rationale: Premature closure occurs when a clinician accepts a diagnosis before fully exploring alternative explanations or gathering sufficient data. In this case, the provider stops the diagnostic process early after an initial impression of depression without ruling out adjustment disorder, grief, or substance-induced mood symptoms. A client reports hearing voices only when falling asleep and waking up. No other psychotic symptoms are present. Which interpretation is most clinically accurate? a. Schizophrenia b. Brief psychotic disorder c. Hypnagogic hallucinations d. Schizoaffective disorder Correct Answer: c Rationale: Hypnagogic hallucinations occur during sleep-wake transitions and are considered a normal phenomenon rather than a psychotic disorder. The timing of symptoms is key to differentiating benign perceptual experiences from pathology.