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NRNP 6645 PSYCHIATRIC MENTAL HEALTH NURSE
PRACTITIONER - EXAM 4 LATEST 2026/2027 | CLINICAL
PRACTICE | EXPERT VERIFIED | 40 VERIFIED Q&A |
DETAILED RATIONALES | PASS GUARANTEED – A+ GRADED
SECTION 1: CLINICAL DECISION-MAKING - Questions 1-10
Q1: Differential Diagnosis
The nurse practitioner is formulating a differential diagnosis. Which of the following is the FIRST
step?
A. Rule out medical causes
B. Rule out substance-induced causes
C. Consider psychiatric disorders
D. All of the above
Correct Answer: D
Rationale: Differential diagnosis involves ruling out medical causes, substance-induced causes, and
considering psychiatric disorders. All options are correct. [100% CORRECT]
Q2: Diagnostic Criteria - Major Depressive Disorder
The nurse practitioner is evaluating a patient with depressed mood and anhedonia for 3 weeks.
Which additional symptoms are needed for MDD diagnosis?
A. 2 additional symptoms
B. 3 additional symptoms
C. 4 additional symptoms
D. 5 additional symptoms
Correct Answer: C
Rationale: MDD requires depressed mood or anhedonia plus 4 additional symptoms (total of 5
symptoms) for at least 2 weeks. Options A, B, and D are incorrect. [100% CORRECT]
Q3: Rule Out Medical Causes
The nurse practitioner is ruling out medical causes of psychiatric symptoms. Which of the following
medical conditions can cause depressive symptoms?
A. Hypothyroidism
B. Hyperthyroidism
C. Vitamin B12 deficiency
D. All of the above
, 2
Correct Answer: D
Rationale: Hypothyroidism, hyperthyroidism, and B12 deficiency can all cause depressive symptoms.
All options are correct. [100% CORRECT]
Q4: Substance-Induced Disorders
The nurse practitioner is evaluating a patient for substance-induced disorders. Which of the
following substances can cause anxiety symptoms?
A. Caffeine
B. Alcohol withdrawal
C. Cocaine
D. All of the above
Correct Answer: D
Rationale: Caffeine, alcohol withdrawal, and cocaine can all cause anxiety symptoms. All options are
correct. [100% CORRECT]
Q5: Suicide Risk Assessment
The nurse practitioner is assessing a patient for suicide risk. Which of the following is the HIGHEST
risk factor?
A. Suicidal ideation with a plan
B. Suicidal ideation without a plan
C. History of depression
D. Family history of suicide
Correct Answer: A
Rationale: Suicidal ideation with a plan is the highest risk factor. Options B, C, and D are lower risk
factors. [100% CORRECT]
Q6: Depression Treatment Selection
The nurse practitioner is selecting a treatment for a patient with depression. Which of the following
is a first-line treatment?
A. SSRI
B. SNRI
C. CBT
D. All of the above
Correct Answer: D
Rationale: SSRIs, SNRIs, and CBT are all first-line treatments for depression. All options are
correct. [100% CORRECT]
NRNP 6645 PSYCHIATRIC MENTAL HEALTH NURSE
PRACTITIONER - EXAM 4 LATEST 2026/2027 | CLINICAL
PRACTICE | EXPERT VERIFIED | 40 VERIFIED Q&A |
DETAILED RATIONALES | PASS GUARANTEED – A+ GRADED
SECTION 1: CLINICAL DECISION-MAKING - Questions 1-10
Q1: Differential Diagnosis
The nurse practitioner is formulating a differential diagnosis. Which of the following is the FIRST
step?
A. Rule out medical causes
B. Rule out substance-induced causes
C. Consider psychiatric disorders
D. All of the above
Correct Answer: D
Rationale: Differential diagnosis involves ruling out medical causes, substance-induced causes, and
considering psychiatric disorders. All options are correct. [100% CORRECT]
Q2: Diagnostic Criteria - Major Depressive Disorder
The nurse practitioner is evaluating a patient with depressed mood and anhedonia for 3 weeks.
Which additional symptoms are needed for MDD diagnosis?
A. 2 additional symptoms
B. 3 additional symptoms
C. 4 additional symptoms
D. 5 additional symptoms
Correct Answer: C
Rationale: MDD requires depressed mood or anhedonia plus 4 additional symptoms (total of 5
symptoms) for at least 2 weeks. Options A, B, and D are incorrect. [100% CORRECT]
Q3: Rule Out Medical Causes
The nurse practitioner is ruling out medical causes of psychiatric symptoms. Which of the following
medical conditions can cause depressive symptoms?
A. Hypothyroidism
B. Hyperthyroidism
C. Vitamin B12 deficiency
D. All of the above
, 2
Correct Answer: D
Rationale: Hypothyroidism, hyperthyroidism, and B12 deficiency can all cause depressive symptoms.
All options are correct. [100% CORRECT]
Q4: Substance-Induced Disorders
The nurse practitioner is evaluating a patient for substance-induced disorders. Which of the
following substances can cause anxiety symptoms?
A. Caffeine
B. Alcohol withdrawal
C. Cocaine
D. All of the above
Correct Answer: D
Rationale: Caffeine, alcohol withdrawal, and cocaine can all cause anxiety symptoms. All options are
correct. [100% CORRECT]
Q5: Suicide Risk Assessment
The nurse practitioner is assessing a patient for suicide risk. Which of the following is the HIGHEST
risk factor?
A. Suicidal ideation with a plan
B. Suicidal ideation without a plan
C. History of depression
D. Family history of suicide
Correct Answer: A
Rationale: Suicidal ideation with a plan is the highest risk factor. Options B, C, and D are lower risk
factors. [100% CORRECT]
Q6: Depression Treatment Selection
The nurse practitioner is selecting a treatment for a patient with depression. Which of the following
is a first-line treatment?
A. SSRI
B. SNRI
C. CBT
D. All of the above
Correct Answer: D
Rationale: SSRIs, SNRIs, and CBT are all first-line treatments for depression. All options are
correct. [100% CORRECT]
