(WGU D344) NURS 6437 DIAGNOSTIC PROCESS OF
PSYCHIATRIC NURSE COMPREHENSIVE FINAL OA
INTRODUCTION
Welcome to the WGU D344 (NURS 6437) Diagnostic Process of Psychiatric
Nurse Comprehensive Final OA study guide — your complete, 2026-
updated resource for passing the D344 final objective assessment on the
first attempt. This guide contains verified questions and answers, each
paired with a bolded correct answer and a detailed rationale to reinforce
clinical reasoning and diagnostic accuracy. Topics are organized into six
high-yield sections: Psychiatric Assessment Foundations, DSM-5-TR
Diagnostic Criteria, Psychopharmacology, Legal/Ethical/Safety, Special
Populations, and Therapeutic Modalities. Whether you are preparing for
the D344 OA, reviewing during clinical practicum, or using this as a rapid-
reference for PMHNP practice, this guide mirrors the style, difficulty, and
scenario-based format of the actual exam. Every question is unique so
you cover the widest possible range of testable content in the shortest
amount of time.
,SECTION 1: PSYCHIATRIC ASSESSMENT FOUNDATIONS
Q1.
When conducting a psychiatric assessment, what is the first step that a
psychiatric nurse practitioner should take?
A. Obtain a thorough medical history
B. Perform a physical examination
C. Establish rapport with the patient
D. Conduct a mental status examination
Answer: C) Establish rapport with the patient
Rationale: Establishing rapport is essential for gaining the patient's
trust and cooperation during the assessment process.
Q2.
Which finding during a psychiatric assessment is considered a red flag?
A. Sadness after recent loss
B. Suicidal thoughts with a plan
C. Occasional anxiety during stress
D. History of alcohol use disorder
Answer: B) Suicidal thoughts with a plan
Rationale: Suicidal ideation with a plan is a serious concern
requiring immediate intervention.
Q3.
Which assessment tool is commonly used to screen for depression
symptoms?
A. HAM-D
,B. GAD-7
C. BDI
D. PHQ-9
Answer: D) PHQ-9
Rationale: The PHQ-9 is a widely used, validated tool to screen for
depression symptoms.
Q4.
When assessing a patient with a suspected psychiatric disorder, which
action is a priority?
A. Reviewing family history
B. Identifying current stressors
C. Conducting a physical examination
D. Screening for substance use
Answer: C) Conducting a physical examination
Rationale: A physical exam rules out medical conditions that may
mimic or contribute to psychiatric symptoms.
Q5.
Which assessment technique evaluates cognitive functioning?
A. MMSE
B. BDI
C. GAF
D. SCID-5
Answer: A) MMSE
, Rationale: The MMSE assesses cognitive function and screens for
dementia.
Q6.
Which mental status exam component assesses the ability to recall past
events?
A. Orientation
B. Memory
C. Judgment
D. Insight
Answer: B) Memory
Rationale: Memory assessment evaluates recall, a key part of
cognitive function.
Q7.
Which mental status exam component assesses awareness of time, place,
and person?
A. Orientation
B. Memory
C. Judgment
D. Insight
Answer: A) Orientation
Rationale: Orientation evaluates awareness of time, place, and
person.
Q8.
Which mental status exam component assesses the ability to make sound
PSYCHIATRIC NURSE COMPREHENSIVE FINAL OA
INTRODUCTION
Welcome to the WGU D344 (NURS 6437) Diagnostic Process of Psychiatric
Nurse Comprehensive Final OA study guide — your complete, 2026-
updated resource for passing the D344 final objective assessment on the
first attempt. This guide contains verified questions and answers, each
paired with a bolded correct answer and a detailed rationale to reinforce
clinical reasoning and diagnostic accuracy. Topics are organized into six
high-yield sections: Psychiatric Assessment Foundations, DSM-5-TR
Diagnostic Criteria, Psychopharmacology, Legal/Ethical/Safety, Special
Populations, and Therapeutic Modalities. Whether you are preparing for
the D344 OA, reviewing during clinical practicum, or using this as a rapid-
reference for PMHNP practice, this guide mirrors the style, difficulty, and
scenario-based format of the actual exam. Every question is unique so
you cover the widest possible range of testable content in the shortest
amount of time.
,SECTION 1: PSYCHIATRIC ASSESSMENT FOUNDATIONS
Q1.
When conducting a psychiatric assessment, what is the first step that a
psychiatric nurse practitioner should take?
A. Obtain a thorough medical history
B. Perform a physical examination
C. Establish rapport with the patient
D. Conduct a mental status examination
Answer: C) Establish rapport with the patient
Rationale: Establishing rapport is essential for gaining the patient's
trust and cooperation during the assessment process.
Q2.
Which finding during a psychiatric assessment is considered a red flag?
A. Sadness after recent loss
B. Suicidal thoughts with a plan
C. Occasional anxiety during stress
D. History of alcohol use disorder
Answer: B) Suicidal thoughts with a plan
Rationale: Suicidal ideation with a plan is a serious concern
requiring immediate intervention.
Q3.
Which assessment tool is commonly used to screen for depression
symptoms?
A. HAM-D
,B. GAD-7
C. BDI
D. PHQ-9
Answer: D) PHQ-9
Rationale: The PHQ-9 is a widely used, validated tool to screen for
depression symptoms.
Q4.
When assessing a patient with a suspected psychiatric disorder, which
action is a priority?
A. Reviewing family history
B. Identifying current stressors
C. Conducting a physical examination
D. Screening for substance use
Answer: C) Conducting a physical examination
Rationale: A physical exam rules out medical conditions that may
mimic or contribute to psychiatric symptoms.
Q5.
Which assessment technique evaluates cognitive functioning?
A. MMSE
B. BDI
C. GAF
D. SCID-5
Answer: A) MMSE
, Rationale: The MMSE assesses cognitive function and screens for
dementia.
Q6.
Which mental status exam component assesses the ability to recall past
events?
A. Orientation
B. Memory
C. Judgment
D. Insight
Answer: B) Memory
Rationale: Memory assessment evaluates recall, a key part of
cognitive function.
Q7.
Which mental status exam component assesses awareness of time, place,
and person?
A. Orientation
B. Memory
C. Judgment
D. Insight
Answer: A) Orientation
Rationale: Orientation evaluates awareness of time, place, and
person.
Q8.
Which mental status exam component assesses the ability to make sound
