NR 547 / NR547 Final Exam Actual Exam
2026/2027 | Differential Diagnosis in
Psychiatric-Mental Health across the
Lifespan Practicum | Chamberlain |
Questions with Verified Answers | 100%
Correct | Pass Guaranteed
Q001: A 17-year-old female presents with 3 weeks of decreased sleep, increased
goal-directed texting until 4 a.m., and spending $800 on anime collectibles. She
reports racing thoughts and feels "on top of the world." Urine drug screen is
negative. Which diagnosis is most likely?
Options:
A. Cannabis-induced intoxication
B. Bipolar I disorder, manic episode
C. Borderline personality disorder
D. Generalized anxiety disorder
ANSWER: B
Q002: A 9-year-old boy is brought in for disruptive behavior: frequent tantrums,
biting peers, and refusal to follow commands at school. Symptoms began at age 4,
occur in multiple settings, and have worsened over 6 months. Conners rating scale
shows high hyperactivity/impulsivity scores. Which differential is primary?
Options:
A. Autism spectrum disorder
B. ADHD, combined presentation
, 2
C. Disruptive mood dysregulation disorder
D. Conduct disorder
ANSWER: B
Q003: A 24-year-old graduate student reports 4 months of nightmares,
hypervigilance, and avoiding fireworks displays after a deployment IED blast.
CAPS-5 score 48. He has no substance use. Which primary diagnosis?
Options:
A. Acute stress disorder
B. PTSD
C. Panic disorder
D. Generalized anxiety disorder
ANSWER: B
Q004: A 34-year-old woman with bipolar I disorder, currently hypomanic on 1500
mg lithium carbonate (level 0.9 mEq/L), reports new tremor and 3-lb weight gain
over 2 weeks. She denies dehydration. Which differential for lithium toxicity is
most likely ruled out initially?
Options:
A. Acute lithium toxicity
B. Benign lithium-induced tremor
C. Nephrogenic diabetes insipidus
D. Hypothyroidism
ANSWER: B
Q005: A 7-year-old girl with autism spectrum disorder and intellectual disability
presents with new self-biting and head-banging when demands are placed. ABC
data show behavior is escape-maintained. Which comorbid condition is most
likely?
Options:
, 3
A. Stereotypic movement disorder
B. ADHD and anxiety
C. Intermittent explosive disorder
D. Rumination disorder
ANSWER: B
Q006: A 45-year-old woman with bulimia nervosa, purging type, has weekly
binge-purge episodes despite 6 months of fluoxetine 60 mg and CBT. BMI 22.
Which differential for treatment resistance includes an approved medication?
Options:
A. Binge-eating disorder
B. Lisdexamfetamine for binge-eating
C. Avoidant-restrictive food intake disorder
D. Anorexia binge-purge subtype
ANSWER: B
Q007: A 26-year-old pregnant woman (16 weeks) with panic disorder has daily
attacks despite CBT. She is dehydrated from vomiting. Which differential risk for
pharmacologic treatment includes safest reproductive profile?
Options:
A. Paroxetine-induced cardiac defects
B. Sertraline (low risk)
C. Clonazepam withdrawal
D. Duloxetine hypertension
ANSWER: B
Q008: A 68-year-old man with Parkinson disease develops visual hallucinations
and agitation 2 weeks after starting pramipexole. Which differential includes
medication-induced etiology?