NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2026/2027 2026/2027 | Page 1 | Passing Score: 80%
WALDEN UNIVERSITY
NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam -
Psychopathology and Diagnostic Reasoning - Walden 2026/2027
PSYCHOPATHOLOGY & DIAGNOSTIC REASONING · Official Exam 2026/2027
100 80% CERTIFIED
QUESTIONS PASSING SCORE RECERTIFICATION
TABLE OF CONTENTS
Section 1 Neurobiological Foundations of Psychopathology Q1-Q20
Section 2 Mood and Anxiety Disorders Q21-Q39
Section 3 Psychotic and Personality Disorders Q40-Q60
Section 4 Substance Use and Neurocognitive Disorders Q61-Q80
Section 5 Diagnostic Reasoning and Treatment Planning Q81-Q100
Instructions: Select the single best answer for each question. This exam is designed for NRNP 6635 Psychopathology and Diagnostic
Reasoning midterm exam preparation. Passing score: 80% (80 questions correct).
NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2026/2027 - 2026/2027 | Passing Score: 80% | Page 1 of 46
,biological Foundations of Psychopathology | Q1-Q20 | NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2
Q1 Question 1 of 100
A 34-year-old patient presents with persistent feelings of hopelessness, anhedonia, and significant
weight loss. Neuroimaging studies reveal decreased activity in the prefrontal cortex and abnormalities in
the limbic system. The provider recognizes these findings as most consistent with dysregulation of which
neurotransmitter system?
A. Serotonin and norepinephrine in cortical and limbic regions
B. Dopamine pathways in the mesolimbic tract
C. Acetylcholine in the basal forebrain
D. Glutamate in the motor cortex
Correct Answer: A
Rationale:
Depression is primarily associated with deficient serotonin and norepinephrine activity in cortical and limbic regions,
which explains symptoms such as depressed mood, anhedonia, and cognitive dysfunction. Dopamine dysregulation
in the mesolimbic tract is more associated with psychotic disorders.
Q2 Question 2 of 100
A researcher is studying the role of brain-derived neurotrophic factor (BDNF) in psychiatric disorders.
The researcher finds that chronic stress significantly reduces BDNF levels in the hippocampus. The
provider understands that reduced BDNF is most strongly associated with the pathophysiology of which
condition?
A. Major depressive disorder
B. Schizophrenia
C. Autism spectrum disorder
D. Attention-deficit/hyperactivity disorder
Correct Answer: A
Rationale:
Reduced BDNF levels in the hippocampus are strongly associated with major depressive disorder, as BDNF
supports neuronal survival and synaptic plasticity. Chronic stress and depression both decrease BDNF, while
antidepressant treatment increases BDNF expression, supporting the neurotrophic hypothesis of depression.
NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2026/2027 - 2026/2027 | Passing Score: 80% | Page 2 of 46
, Q3 Question 3 of 100
A 28-year-old patient experiences auditory hallucinations, disorganized speech, and delusions of
persecution. The provider recognizes these positive symptoms of schizophrenia are most closely
associated with hyperactivity of which dopaminergic pathway?
A. Mesocortical pathway
B. Nigrostriatal pathway
C. Mesolimbic pathway
D. Tuberoinfundibular pathway
Correct Answer: C
Rationale:
Positive symptoms of schizophrenia (hallucinations, delusions) are associated with hyperdopaminergia in the
mesolimbic pathway. The mesocortical pathway is associated with negative symptoms when dopamine is deficient,
and the nigrostriatal pathway is involved in motor control.
Q4 Question 4 of 100
A patient with schizophrenia exhibits flat affect, social withdrawal, and poverty of speech. The provider
understands that these negative symptoms are most likely caused by hypoactivity in which brain region
and pathway?
A. Dopamine hypoactivity in the mesocortical pathway to the prefrontal cortex
B. Dopamine hyperactivity in the mesolimbic pathway
C. Serotonin hyperactivity in the raphe nuclei
D. Norepinephrine deficiency in the locus coeruleus
Correct Answer: A
Rationale:
Negative symptoms of schizophrenia are associated with dopamine hypoactivity in the mesocortical pathway, which
projects to the prefrontal cortex. This prefrontal dopamine deficiency impairs executive function, motivation, and
emotional expression, producing the negative symptom cluster.
Q5 Question 5 of 100
A 42-year-old patient with bipolar disorder is experiencing a manic episode with grandiosity, decreased
need for sleep, and racing thoughts. The provider recognizes that the pharmacologic basis of mania
involves which neurotransmitter imbalance?
A. Dopamine and norepinephrine excess
B. Serotonin and GABA excess
C. Dopamine and serotonin deficiency
D. Acetylcholine and glutamate excess
Correct Answer: A
NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2026/2027 - 2026/2027 | Passing Score: 80% | Page 3 of 46
, Rationale:
Manic episodes are associated with excessive dopaminergic and noradrenergic activity, producing symptoms of
euphoria, grandiosity, psychomotor agitation, and decreased need for sleep. Mood stabilizers like lithium and
valproate modulate these overactive pathways.
Q6 Question 6 of 100
A neuroanatomy student asks the provider about the role of the amygdala in emotional processing. The
provider explains that the amygdala is primarily responsible for which function relevant to psychiatric
disorders?
A. Processing fear responses and assigning emotional significance to stimuli
B. Executive decision-making and impulse control
C. Regulating circadian rhythms and sleep-wake cycles
D. Coordinating voluntary motor movements
Correct Answer: A
Rationale:
The amygdala is central to processing fear responses and assigning emotional significance to stimuli, making it
critically involved in anxiety disorders, PTSD, and phobias. Executive function is governed by the prefrontal cortex,
and circadian rhythms by the hypothalamus.
Q7 Question 7 of 100
A provider is explaining the HPA axis to a patient with chronic anxiety. The provider describes how
chronic stress leads to sustained cortisol elevation, which can damage the hippocampus over time. The
provider understands that hippocampal damage from chronic cortisol exposure contributes to which
psychiatric manifestation?
A. Impaired memory consolidation and cognitive deficits
B. Enhanced memory consolidation of positive events
C. Increased GABAergic inhibition of anxiety circuits
D. Reduced dopamine synthesis in the striatum
Correct Answer: A
Rationale:
Chronic cortisol elevation damages hippocampal neurons through excitotoxicity and reduced BDNF, leading to
impaired memory consolidation and cognitive deficits commonly seen in chronic stress-related disorders. The
hippocampus normally provides negative feedback to the HPA axis, so damage perpetuates cortisol elevation.
NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2026/2027 - 2026/2027 | Passing Score: 80% | Page 4 of 46
WALDEN UNIVERSITY
NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam -
Psychopathology and Diagnostic Reasoning - Walden 2026/2027
PSYCHOPATHOLOGY & DIAGNOSTIC REASONING · Official Exam 2026/2027
100 80% CERTIFIED
QUESTIONS PASSING SCORE RECERTIFICATION
TABLE OF CONTENTS
Section 1 Neurobiological Foundations of Psychopathology Q1-Q20
Section 2 Mood and Anxiety Disorders Q21-Q39
Section 3 Psychotic and Personality Disorders Q40-Q60
Section 4 Substance Use and Neurocognitive Disorders Q61-Q80
Section 5 Diagnostic Reasoning and Treatment Planning Q81-Q100
Instructions: Select the single best answer for each question. This exam is designed for NRNP 6635 Psychopathology and Diagnostic
Reasoning midterm exam preparation. Passing score: 80% (80 questions correct).
NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2026/2027 - 2026/2027 | Passing Score: 80% | Page 1 of 46
,biological Foundations of Psychopathology | Q1-Q20 | NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2
Q1 Question 1 of 100
A 34-year-old patient presents with persistent feelings of hopelessness, anhedonia, and significant
weight loss. Neuroimaging studies reveal decreased activity in the prefrontal cortex and abnormalities in
the limbic system. The provider recognizes these findings as most consistent with dysregulation of which
neurotransmitter system?
A. Serotonin and norepinephrine in cortical and limbic regions
B. Dopamine pathways in the mesolimbic tract
C. Acetylcholine in the basal forebrain
D. Glutamate in the motor cortex
Correct Answer: A
Rationale:
Depression is primarily associated with deficient serotonin and norepinephrine activity in cortical and limbic regions,
which explains symptoms such as depressed mood, anhedonia, and cognitive dysfunction. Dopamine dysregulation
in the mesolimbic tract is more associated with psychotic disorders.
Q2 Question 2 of 100
A researcher is studying the role of brain-derived neurotrophic factor (BDNF) in psychiatric disorders.
The researcher finds that chronic stress significantly reduces BDNF levels in the hippocampus. The
provider understands that reduced BDNF is most strongly associated with the pathophysiology of which
condition?
A. Major depressive disorder
B. Schizophrenia
C. Autism spectrum disorder
D. Attention-deficit/hyperactivity disorder
Correct Answer: A
Rationale:
Reduced BDNF levels in the hippocampus are strongly associated with major depressive disorder, as BDNF
supports neuronal survival and synaptic plasticity. Chronic stress and depression both decrease BDNF, while
antidepressant treatment increases BDNF expression, supporting the neurotrophic hypothesis of depression.
NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2026/2027 - 2026/2027 | Passing Score: 80% | Page 2 of 46
, Q3 Question 3 of 100
A 28-year-old patient experiences auditory hallucinations, disorganized speech, and delusions of
persecution. The provider recognizes these positive symptoms of schizophrenia are most closely
associated with hyperactivity of which dopaminergic pathway?
A. Mesocortical pathway
B. Nigrostriatal pathway
C. Mesolimbic pathway
D. Tuberoinfundibular pathway
Correct Answer: C
Rationale:
Positive symptoms of schizophrenia (hallucinations, delusions) are associated with hyperdopaminergia in the
mesolimbic pathway. The mesocortical pathway is associated with negative symptoms when dopamine is deficient,
and the nigrostriatal pathway is involved in motor control.
Q4 Question 4 of 100
A patient with schizophrenia exhibits flat affect, social withdrawal, and poverty of speech. The provider
understands that these negative symptoms are most likely caused by hypoactivity in which brain region
and pathway?
A. Dopamine hypoactivity in the mesocortical pathway to the prefrontal cortex
B. Dopamine hyperactivity in the mesolimbic pathway
C. Serotonin hyperactivity in the raphe nuclei
D. Norepinephrine deficiency in the locus coeruleus
Correct Answer: A
Rationale:
Negative symptoms of schizophrenia are associated with dopamine hypoactivity in the mesocortical pathway, which
projects to the prefrontal cortex. This prefrontal dopamine deficiency impairs executive function, motivation, and
emotional expression, producing the negative symptom cluster.
Q5 Question 5 of 100
A 42-year-old patient with bipolar disorder is experiencing a manic episode with grandiosity, decreased
need for sleep, and racing thoughts. The provider recognizes that the pharmacologic basis of mania
involves which neurotransmitter imbalance?
A. Dopamine and norepinephrine excess
B. Serotonin and GABA excess
C. Dopamine and serotonin deficiency
D. Acetylcholine and glutamate excess
Correct Answer: A
NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2026/2027 - 2026/2027 | Passing Score: 80% | Page 3 of 46
, Rationale:
Manic episodes are associated with excessive dopaminergic and noradrenergic activity, producing symptoms of
euphoria, grandiosity, psychomotor agitation, and decreased need for sleep. Mood stabilizers like lithium and
valproate modulate these overactive pathways.
Q6 Question 6 of 100
A neuroanatomy student asks the provider about the role of the amygdala in emotional processing. The
provider explains that the amygdala is primarily responsible for which function relevant to psychiatric
disorders?
A. Processing fear responses and assigning emotional significance to stimuli
B. Executive decision-making and impulse control
C. Regulating circadian rhythms and sleep-wake cycles
D. Coordinating voluntary motor movements
Correct Answer: A
Rationale:
The amygdala is central to processing fear responses and assigning emotional significance to stimuli, making it
critically involved in anxiety disorders, PTSD, and phobias. Executive function is governed by the prefrontal cortex,
and circadian rhythms by the hypothalamus.
Q7 Question 7 of 100
A provider is explaining the HPA axis to a patient with chronic anxiety. The provider describes how
chronic stress leads to sustained cortisol elevation, which can damage the hippocampus over time. The
provider understands that hippocampal damage from chronic cortisol exposure contributes to which
psychiatric manifestation?
A. Impaired memory consolidation and cognitive deficits
B. Enhanced memory consolidation of positive events
C. Increased GABAergic inhibition of anxiety circuits
D. Reduced dopamine synthesis in the striatum
Correct Answer: A
Rationale:
Chronic cortisol elevation damages hippocampal neurons through excitotoxicity and reduced BDNF, leading to
impaired memory consolidation and cognitive deficits commonly seen in chronic stress-related disorders. The
hippocampus normally provides negative feedback to the HPA axis, so damage perpetuates cortisol elevation.
NRNP6635 / NRNP 6635 (Latest 2026/2027): Midterm Exam - Psychopathology and Diagnostic Reasoning - Walden 2026/2027 - 2026/2027 | Passing Score: 80% | Page 4 of 46
