, NRNP 6635 Psychopathology and
Diagnostic Reasoning – Walden
University – Academic Year 2026/2027
– Midterm Comprehensive
Examination with Verified Questions
and Correct Answer Rationales | with
complete solutions.
SECTION 1: FOUNDATIONS OF
PSYCHOPATHOLOGY & DIAGNOSTIC REASONING
Question 1: Select the serum assessment that is used when prescribing
drugs to treat psychiatric disorders in psychosomatic patients.
A. Sodium
B. Potassium
C. Calcium
D. Magnesium
Correct Answer: B. Potassium
Rationale: Potassium levels must be monitored when prescribing psychiatric
medications to psychosomatic patients due to the risk of electrolyte
imbalances and cardiac effects. Many psychotropic medications can affect
potassium levels, and psychosomatic patients may have underlying
metabolic concerns that increase the risk of complications. Hypokalemia can
predispose patients to cardiac arrhythmias, especially when taking
medications that prolong the QT interval .
Source: NRNP 6635 Midterm Exam Study Guide; Psychopharmacology
Module
,Question 2: Select the theorist who developed the eight stages of the
psychosocial life cycle.
A. Piaget
B. Freud
C. Erikson
D. Maslow
Correct Answer: C. Erikson
Rationale: Erik Erikson developed the eight-stage psychosocial theory of
human development across the lifespan, each stage presenting a unique
developmental crisis that must be resolved for healthy psychological
development. Piaget (A) developed cognitive development theory with four
stages. Freud (B) developed psychosexual stage theory with five stages.
Maslow (D) developed the hierarchy of needs with five levels .
Source: NRNP 6635 Midterm Exam Study Guide; Developmental Theories
Module
Question 3: What is the primary difference between a hallucination and an
illusion?
A. Hallucinations are false perceptions without external stimuli; illusions are
misinterpretations of real external stimuli
B. Illusions are false perceptions without external stimuli; hallucinations are
misinterpretations of real stimuli
C. Both are the same
D. Hallucinations are always auditory
Correct Answer: A. Hallucinations are false perceptions without
external stimuli; illusions are misinterpretations of real external
stimuli
Rationale: Hallucinations are false sensory perceptions that occur in the
absence of an external stimulus (e.g., hearing voices when no one is
speaking). Illusions are misperceptions or misinterpretations of real external
stimuli (e.g., seeing a coat rack as a person in dim light). Hallucinations can
occur in any sensory modality (auditory, visual, tactile, olfactory, gustatory),
not only auditory .
Source: NRNP 6635 Midterm Exam Study Guide; Psychopathology
Foundations
, Question 4: The biopsychosocial model in psychiatry emphasizes that
mental disorders result from:
A. Biological factors only
B. Psychological factors only
C. Social factors only
D. The interaction of biological, psychological, and social factors
Correct Answer: D. The interaction of biological, psychological, and
social factors
Rationale: The biopsychosocial model recognizes that mental disorders
result from the complex interaction of biological (genetics, neurochemistry,
brain structure), psychological (coping, personality, cognitive patterns), and
social (family, culture, socioeconomic status, environment) factors. This
comprehensive model is foundational to psychiatric practice and diagnostic
reasoning .
Source: NRNP 6635 Midterm Exam Study Guide; Biopsychosocial Model
Question 5: What is the primary purpose of the DSM-5-TR in psychiatric
practice?
A. To provide a comprehensive treatment guide
B. To provide a standardized classification system for mental disorders
C. To dictate medication choices
D. To replace clinical judgment
Correct Answer: B. To provide a standardized classification system for
mental disorders
Rationale: The DSM-5-TR provides a standardized classification system for
mental disorders with specific diagnostic criteria. It is a tool to support
clinical assessment and communication among clinicians, not a replacement
for clinical judgment. It does not dictate treatment choices .
Source: NRNP 6635 Midterm Exam Study Guide; DSM-5-TR Overview
Diagnostic Reasoning – Walden
University – Academic Year 2026/2027
– Midterm Comprehensive
Examination with Verified Questions
and Correct Answer Rationales | with
complete solutions.
SECTION 1: FOUNDATIONS OF
PSYCHOPATHOLOGY & DIAGNOSTIC REASONING
Question 1: Select the serum assessment that is used when prescribing
drugs to treat psychiatric disorders in psychosomatic patients.
A. Sodium
B. Potassium
C. Calcium
D. Magnesium
Correct Answer: B. Potassium
Rationale: Potassium levels must be monitored when prescribing psychiatric
medications to psychosomatic patients due to the risk of electrolyte
imbalances and cardiac effects. Many psychotropic medications can affect
potassium levels, and psychosomatic patients may have underlying
metabolic concerns that increase the risk of complications. Hypokalemia can
predispose patients to cardiac arrhythmias, especially when taking
medications that prolong the QT interval .
Source: NRNP 6635 Midterm Exam Study Guide; Psychopharmacology
Module
,Question 2: Select the theorist who developed the eight stages of the
psychosocial life cycle.
A. Piaget
B. Freud
C. Erikson
D. Maslow
Correct Answer: C. Erikson
Rationale: Erik Erikson developed the eight-stage psychosocial theory of
human development across the lifespan, each stage presenting a unique
developmental crisis that must be resolved for healthy psychological
development. Piaget (A) developed cognitive development theory with four
stages. Freud (B) developed psychosexual stage theory with five stages.
Maslow (D) developed the hierarchy of needs with five levels .
Source: NRNP 6635 Midterm Exam Study Guide; Developmental Theories
Module
Question 3: What is the primary difference between a hallucination and an
illusion?
A. Hallucinations are false perceptions without external stimuli; illusions are
misinterpretations of real external stimuli
B. Illusions are false perceptions without external stimuli; hallucinations are
misinterpretations of real stimuli
C. Both are the same
D. Hallucinations are always auditory
Correct Answer: A. Hallucinations are false perceptions without
external stimuli; illusions are misinterpretations of real external
stimuli
Rationale: Hallucinations are false sensory perceptions that occur in the
absence of an external stimulus (e.g., hearing voices when no one is
speaking). Illusions are misperceptions or misinterpretations of real external
stimuli (e.g., seeing a coat rack as a person in dim light). Hallucinations can
occur in any sensory modality (auditory, visual, tactile, olfactory, gustatory),
not only auditory .
Source: NRNP 6635 Midterm Exam Study Guide; Psychopathology
Foundations
, Question 4: The biopsychosocial model in psychiatry emphasizes that
mental disorders result from:
A. Biological factors only
B. Psychological factors only
C. Social factors only
D. The interaction of biological, psychological, and social factors
Correct Answer: D. The interaction of biological, psychological, and
social factors
Rationale: The biopsychosocial model recognizes that mental disorders
result from the complex interaction of biological (genetics, neurochemistry,
brain structure), psychological (coping, personality, cognitive patterns), and
social (family, culture, socioeconomic status, environment) factors. This
comprehensive model is foundational to psychiatric practice and diagnostic
reasoning .
Source: NRNP 6635 Midterm Exam Study Guide; Biopsychosocial Model
Question 5: What is the primary purpose of the DSM-5-TR in psychiatric
practice?
A. To provide a comprehensive treatment guide
B. To provide a standardized classification system for mental disorders
C. To dictate medication choices
D. To replace clinical judgment
Correct Answer: B. To provide a standardized classification system for
mental disorders
Rationale: The DSM-5-TR provides a standardized classification system for
mental disorders with specific diagnostic criteria. It is a tool to support
clinical assessment and communication among clinicians, not a replacement
for clinical judgment. It does not dictate treatment choices .
Source: NRNP 6635 Midterm Exam Study Guide; DSM-5-TR Overview