NRNP 6635 Midterm Exam 2025 Actual –
Psychopathology and Diagnostic
Reasoning | Walden | Verified Graded A
Questions
1. Which neurotransmitter is primarily implicated in the pathophysiology of
schizophrenia?
A. Serotonin
B. Dopamine
C. GABA
D. Glutamate
Correct Answer: B
Rationale: The dopamine hypothesis posits that excessive dopaminergic activity in the
mesolimbic pathway contributes to positive symptoms of schizophrenia, such as
hallucinations and delusions (Walden NRNP 6635 focus: Schizophrenia
pathophysiology).
2. What is the hallmark symptom of generalized anxiety disorder (GAD)?
A. Panic attacks
B. Excessive worry
C. Flashbacks
D. Compulsions
Correct Answer: B
Rationale: GAD is characterized by persistent, excessive worry about multiple aspects of
life for at least six months, per DSM-5 criteria (Walden NRNP 6635 focus: Anxiety
disorders).
3. Which diagnostic criterion is essential for major depressive disorder (MDD)?
A. Manic episodes
B. Depressed mood or anhedonia
C. Psychotic features
D. Hypersomnia only
Correct Answer: B
Rationale: DSM-5 requires depressed mood or loss of interest/pleasure (anhedonia) for
at least two weeks, along with other symptoms, for an MDD diagnosis (Walden NRNP
6635 focus: Mood disorders).
4. What is the first-line pharmacological treatment for obsessive-compulsive disorder
(OCD)?
A. Benzodiazepines
B. SSRIs
C. Antipsychotics
D. Mood stabilizers
, 2
Correct Answer: B
Rationale: SSRIs, such as sertraline, are first-line due to their efficacy in reducing OCD
symptoms by modulating serotonin levels (Walden NRNP 6635 focus: OCD treatment).
5. Which assessment tool is commonly used to evaluate suicide risk?
A. PHQ-9
B. GAD-7
C. C-SSRS
D. MMSE
Correct Answer: C
Rationale: The Columbia-Suicide Severity Rating Scale (C-SSRS) is designed to assess
suicidal ideation and behavior comprehensively (Walden NRNP 6635 focus: Suicide risk
assessment).
6. What is a key feature of borderline personality disorder (BPD)?
A. Stable interpersonal relationships
B. Fear of abandonment
C. Grandiosity
D. Social withdrawal
Correct Answer: B
Rationale: BPD is characterized by intense fear of abandonment, unstable relationships,
and emotional dysregulation per DSM-5 (Walden NRNP 6635 focus: Personality
disorders).
7. Which medication is associated with a black box warning for increased suicidality in
young adults?
A. Lithium
B. Fluoxetine
C. Risperidone
D. Valproate
Correct Answer: B
Rationale: SSRIs like fluoxetine carry a black box warning for increased suicidality in
patients under 25 during initial treatment (Walden NRNP 6635 focus: Antidepressant
warnings).
8. What is the primary diagnostic criterion for post-traumatic stress disorder (PTSD)?
A. Exposure to a traumatic event
B. Delusions
C. Manic episodes
D. Compulsions
Correct Answer: A
Rationale: DSM-5 requires exposure to actual or threatened death, serious injury, or
sexual violence, followed by symptoms like intrusion and avoidance (Walden NRNP
6635 focus: Trauma disorders).
9. Which brain region is implicated in the emotional dysregulation of bipolar
disorder?
A. Prefrontal cortex
B. Cerebellum
C. Occipital lobe
D. Medulla oblongata