NR 605 – Chamberlain University – 2025/2026 – Diagnosis & Management in Psychiatric Mental Health Across the Lifespan I Final Exam Guide with Verified Questions & Answers

Final Exam: NR 605 / NR605 | New 2025/2026 Update
| Diagnosis & Management in Psychiatric Mental
Health Across the Lifespan I Guide | Questions &
Answers | Grade A | 100% Correct (Verified Solutions)
– Chamberlain

Section 1: Introduction
This document includes a set of 100 verified and professor-approved final exam questions for
NR605 – Diagnosis & Management in Psychiatric Mental Health Across the Lifespan I at
Chamberlain University, updated for the 2025/2026 academic cycle.
It features accurate and clinically relevant questions covering psychiatric diagnostics,
psychopharmacology, age-specific mental health presentations, DSM-5 criteria, therapeutic
interventions, and differential diagnoses across the lifespan.
Each response is 100% correct, A+ graded, and aligned with NP certification standards,
making this resource ideal for advanced nursing students preparing for final exams and
clinical practice.

Section 2: Exam Questions and Answers
Format: Clinical vignettes and multiple-choice questions with four answer choices (A–D).
Correct answers highlighted. Rationales provided to reinforce clinical reasoning.

Question 1: Psychiatric Diagnostics
A 30-year-old female presents with persistent sadness, anhedonia, and insomnia for 6
months. What is the most likely diagnosis per DSM-5?
A) Bipolar disorder
B) Major depressive disorder
C) Adjustment disorder
D) Dysthymia
Correct Answer: B) Major depressive disorder
Rationale: DSM-5 criteria for MDD include persistent sadness and anhedonia for ≥2 weeks,
with other symptoms like insomnia.

Question 2: Psychiatric Diagnostics
A 25-year-old male reports excessive worry and restlessness for 8 months, impacting daily
function. What is the diagnosis?
A) Panic disorder
B) Generalized anxiety disorder
C) Social anxiety disorder
D) OCD
Correct Answer: B) Generalized anxiety disorder
Rationale: GAD is characterized by excessive worry for ≥6 months per DSM-5.

Question 3: Psychiatric Diagnostics
A 15-year-old presents with hyperactivity, impulsivity, and inattention since childhood. What
is the diagnosis?

,A) Autism spectrum disorder
B) ADHD
C) Conduct disorder
D) Oppositional defiant disorder
Correct Answer: B) ADHD
Rationale: DSM-5 ADHD criteria include persistent inattention and hyperactivity before age
12.

Question 4: Psychiatric Diagnostics
A 40-year-old male reports auditory hallucinations and delusions for 3 months. What is the
most likely diagnosis?
A) Schizophrenia
B) Brief psychotic disorder
C) Delusional disorder
D) Schizoaffective disorder
Correct Answer: A) Schizophrenia
Rationale: Schizophrenia requires symptoms like hallucinations for ≥1 month, typically ≥6
months for diagnosis.

Question 5: Psychiatric Diagnostics
A 70-year-old female presents with memory loss and disorientation. What is the most likely
diagnosis?
A) Major depressive disorder
B) Neurocognitive disorder
C) Anxiety disorder
D) Delirium
Correct Answer: B) Neurocognitive disorder
Rationale: Progressive memory loss in the elderly suggests a neurocognitive disorder, such
as Alzheimer’s.

Question 6: Psychiatric Diagnostics
A 22-year-old female reports recurrent panic attacks with palpitations and fear of dying.
What is the diagnosis?
A) GAD
B) Panic disorder
C) PTSD
D) Social anxiety disorder
Correct Answer: B) Panic disorder
Rationale: Recurrent, unexpected panic attacks are diagnostic for panic disorder per DSM-5.

Question 7: Psychiatric Diagnostics
A 35-year-old male presents with intrusive memories and nightmares after a car accident.
What is the diagnosis?
A) Acute stress disorder
B) PTSD
C) Adjustment disorder
D) GAD
Correct Answer: B) PTSD
Rationale: Intrusive memories and nightmares post-trauma lasting >1 month indicate PTSD.

, Question 8: Psychiatric Diagnostics
A 10-year-old child shows repetitive hand-washing and fear of contamination. What is the
diagnosis?
A) ADHD
B) OCD
C) Autism spectrum disorder
D) Social anxiety disorder
Correct Answer: B) OCD
Rationale: Repetitive behaviors and obsessions are diagnostic for OCD per DSM-5.

Question 9: Psychiatric Diagnostics
A 50-year-old female reports low mood and fatigue but no anhedonia for 3 years. What is the
diagnosis?
A) Major depressive disorder
B) Persistent depressive disorder
C) Bipolar disorder
D) Adjustment disorder
Correct Answer: B) Persistent depressive disorder
Rationale: Chronic low mood for ≥2 years without anhedonia suggests dysthymia.

Question 10: Psychiatric Diagnostics
A 28-year-old male presents with grandiosity and decreased need for sleep for 1 week. What
is the diagnosis?
A) Schizophrenia
B) Manic episode
C) Hypomanic episode
D) Major depressive disorder
Correct Answer: B) Manic episode
Rationale: Grandiosity and reduced sleep for ≥1 week indicate a manic episode, likely
bipolar I.

Question 11: Psychopharmacology
What is the first-line treatment for major depressive disorder in adults?
A) Fluoxetine
B) Amitriptyline
C) Phenelzine
D) Lorazepam
Correct Answer: A) Fluoxetine
Rationale: SSRIs like fluoxetine are first-line for MDD due to efficacy and safety.

Question 12: Psychopharmacology
A 30-year-old with GAD is prescribed a medication. What is the first-line choice?
A) Alprazolam
B) Sertraline
C) Buspirone
D) Propranolol
Correct Answer: B) Sertraline
Rationale: SSRIs like sertraline are first-line for GAD per APA guidelines.