Midterm Exam V1: NR547 / NR-547 (Latest 2026 /
2027) Differential Diagnosis in Psychiatric-Mental
Health across the Lifespan Practicum | Questions and
Answers | 100% Correct | Grade A - Chamberlain
The NR547 (2026/2027) Differential Diagnosis in Psychiatric-Mental Health Across the
Lifespan Practicum Preparation Guide is a fully updated, professionally structured study resource
designed to help PMHNP learners master diagnostic reasoning across childhood, adolescence,
adulthood, and geriatric populations.
This guide reflects current DSM-5-TR diagnostic criteria, evidence-based practice guidelines, and
modern PMHNP clinical decision-making processes.
Perfect for midterm preparation, clinical competency strengthening, and differential diagnosis
mastery, this resource includes exam-style questions, verified correct answers in green, and clear
rationales—designed to mimic the realistic structure and cognitive level of a graduate PMHNP
assessment while remaining 100% original.
Optimized for online marketplaces, academic support, and comprehensive PMHNP exam bundles.
Exam Coverage
✔ DSM-5-TR Differential Diagnosis Across the Lifespan
• Trauma-, stressor-related disorders
• Mood disorders (MDD, bipolar, cyclothymia)
• Anxiety disorders
• Neurodevelopmental disorders
• Personality disorders
• Neurocognitive disorders
• Substance use & dual diagnosis
✔ Psychopathology & Symptom Clustering
• Onset patterns (child, adult, geriatric)
• Biological vs. psychosocial presentations
• Medical mimics of psychiatric symptoms
• Rule-out processes & red flags
✔ PMHNP Clinical Reasoning
• Identifying key cues
• Prioritizing differential diagnoses
• Evaluating risk factors
, • Choosing appropriate diagnostic tests
✔ Cultural & Ethical Diagnostic Considerations
• Cultural formulation interview
• Bias reduction
• Trauma-informed assessment
✔ Safety, Risk, and Crisis Assessment
• Danger to self or others
• Required interventions
• Severity & impairment levels
Question:
Malingering Disorder
Answer
When the motivation is achievement of a clearly recognizable goal. Ex Drug Seeking, Avoiding
legal/military
Question:
factitious disorder
Answer
When the deceptive behavior is present even in the absence of obvious external rewards.
Question:
non-substance-induced psychiatric condition
Answer
- If the onset of the psych symptoms occurs before the substance was used
- If the substance is stopped for a significant period of time andsymptoms persist
Question:
Substance induced psychiatric condition
Answer
if the onset of psych symptoms occurs at the same time as substance use
Question:
adjustment disorder
Answer
an emotional disturbance caused by ongoing stressors within the range of common experience
- Does this impair the patients quality of life?
Question:
Generalized Anxiety Disorder
Answer
Persistent, uncontrollable worry about ordinary, everyday situations.
,- Over 6 months to meet DSM 5 Criteria
Question:
Social Anxiety Disorder
Answer
intense fear of social situations, leading to avoidance. Can disrupt daily routines and
relationships.
- Over 6 months
Question:
Performance Anxiety
Answer
a specific stage fright, often associated with musicians, actors, and other entertainers
Question:
Panic Attack
Answer
brief episode of acute anxiety
Question:
Panic
Answer
Persistent or recurrent panic attacks with concern and/or worry. Meet diagnostic criteria for panic
disorder
Question:
Symptoms of Panic Attacks
Answer
- sweating, trembling, shaking
- shortness of breath, chest pain or discomfort
- nausea or abdominal distress
- dizziness, hot flashes, chills
- numbness or tingling sensation
- derealization or depersonalization
- fear of losing control
- fear of dying
Question:
Adjustment Disorder with Anxiety
Answer
Occurs in. the presence of a specific and identifiable stressor.
- Begin within 3 months of stressor
- Reside within 6 months of stressor
, Question:
HAM-A
Answer
Hamilton Anxiety Scale, most commonly used
14 Questions, 14=mild, 18-24= moderate, 25-30=severe
Question:
GAD-7
Answer
Over the last two weeks, 7 Questions.
- 0-4 (No to low risk), 5-9 (mild), 10-14 (Moderate), 15+ (Severe)
Question:
Drug requires complete excretion of serotonin containing drugs prior to beginning
Answer
MAOIs
Question:
obessive-compulsive disorder
Answer
the uncontrollable need to perform repetitvie acts
- Ex handwashing, counting.
Question:
Examples of Obsessions
Answer
Thoughts of contamination, doubt, intrusive thoughts, harm, sex
Question:
Examples of Compulsions
Answer
cleaning, checking, repeating, ordering/arranging, counting. Repetive behaviros that occur in
response to obsessive thoughts
Question:
Yale-Brown Obsessive Compulsive Scale (Y-BOCS)
Answer
OCD
0-7 subclinical
8-15 Mild
16-23 Moderate
24-31 Severe
32-40 Extreme