NR 606 TEST BANK 2026/2027 | PSYCHIATRIC
MENTAL HEALTH NP | 300 VERIFIED Q&A |
DETAILED RATIONALES | NGN-ALIGNED | PASS
GUARANTEED – A+ GRADED
SECTION I: MOOD DISORDERS – Questions 1-30
Q1: Bipolar I Disorder – Manic Episode Duration
The student is reviewing bipolar disorders. What is the minimum duration for a manic episode?
A. 2 days
B. 4 days
C. 1 week
D. 2 weeks
Correct Answer: C
Rationale: A manic episode requires a distinct period of abnormally and persistently elevated,
expansive, or irritable mood lasting at least 1 week (or any duration if hospitalization is necessary).
Hypomania requires at least 4 days. [100% CORRECT]
Q2: Major Depressive Disorder – Weight Change
The student is reviewing MDD criteria. Which weight change is required for diagnosis?
A. 5% in 1 month
B. 10% in 1 month
C. 5% in 6 months
D. 10% in 6 months
Correct Answer: A
Rationale: Significant weight loss or gain (e.g., more than 5% of body weight in a month) is a
criterion for MDD. It is not 10%. [100% CORRECT]
Q3: Persistent Depressive Disorder – Duration in Adults
The student is reviewing dysthymia. What is the minimum duration for persistent depressive
disorder in adults?
A. 6 months
B. 1 year
C. 2 years
D. 3 years
,2
Correct Answer: C
Rationale: Persistent depressive disorder in adults requires a depressed mood for most of the day,
more days than not, for at least 2 years. In children and adolescents, the duration is 1 year. [100%
CORRECT]
Q4: Bipolar II Disorder – Required Episodes
The student is reviewing bipolar II. Which episodes are required for diagnosis?
A. Manic and depressive
B. Hypomanic and depressive
C. Manic and hypomanic
D. Only depressive
Correct Answer: B
Rationale: Bipolar II disorder requires at least one hypomanic episode and at least one major
depressive episode. Manic episodes are not present. [100% CORRECT]
Q5: Cyclothymic Disorder – Duration
The student is reviewing cyclothymia. What is the minimum duration for cyclothymic disorder in
adults?
A. 6 months
B. 1 year
C. 2 years
D. 3 years
Correct Answer: C
Rationale: Cyclothymic disorder requires at least 2 years in adults (1 year in children/adolescents) of
numerous periods with hypomanic symptoms and depressive symptoms that do not meet criteria
for a major mood episode. [100% CORRECT]
Q6: Major Depressive Disorder – Psychotic Features
The student is reviewing severe depression. Which treatment is first-line for MDD with psychotic
features?
A. SSRI monotherapy
B. Antidepressant plus antipsychotic
C. Benzodiazepine monotherapy
D. Psychotherapy alone
Correct Answer: B
Rationale: MDD with psychotic features requires combination therapy with an antidepressant and
an antipsychotic, or ECT. SSRI monotherapy is insufficient. [100% CORRECT]
,3
Q7: Bipolar Disorder – Rapid Cycling
The student is reviewing rapid cycling. How many mood episodes are required in 12 months?
A. 2
B. 3
C. 4
D. 5
Correct Answer: C
Rationale: Rapid cycling is defined as at least 4 mood episodes (manic, hypomanic, or major
depressive) within a 12-month period. [100% CORRECT]
Q8: Depression – Seasonal Pattern
The student is reviewing seasonal affective disorder. Which treatment is first-line?
A. Light therapy
B. ECT
C. Antipsychotics
D. Benzodiazepines
Correct Answer: A
Rationale: Light therapy (bright light therapy) is first-line for seasonal pattern depression. ECT is
reserved for severe cases. Antipsychotics and benzodiazepines are not first-line. [100% CORRECT]
Q9: Peripartum Depression – Onset
The student is reviewing perinatal mood disorders. Within what time frame after delivery does
peripartum onset occur?
A. 2 weeks
B. 4 weeks
C. 6 weeks
D. 3 months
Correct Answer: B
Rationale: The peripartum onset specifier applies when mood symptoms occur during pregnancy or
within 4 weeks after delivery. [100% CORRECT]
Q10: Lithium – Therapeutic Range
The student is reviewing lithium. What is the therapeutic serum range?
A. 0.2-0.5 mEq/L
B. 0.6-1.2 mEq/L
C. 1.5-2.0 mEq/L
D. 2.0-3.0 mEq/L
, 4
Correct Answer: B
Rationale: The therapeutic range for lithium is 0.6-1.2 mEq/L. Levels above 1.5 are toxic. [100%
CORRECT]
Q11: Lithium – Early Toxicity Signs
The student is reviewing lithium toxicity. Which sign indicates early toxicity?
A. Coarse hand tremor
B. Seizures
C. Coma
D. Respiratory depression
Correct Answer: A
Rationale: Early signs of lithium toxicity include coarse hand tremor, vomiting, diarrhea, and
confusion. Seizures, coma, and respiratory depression indicate severe toxicity. [100% CORRECT]
Q12: Lamotrigine – Rash
The student is reviewing lamotrigine. What is the most important instruction regarding rash?
A. Continue medication and monitor
B. Discontinue immediately and seek medical evaluation
C. Apply topical steroid
D. Reduce dose by half
Correct Answer: B
Rationale: Lamotrigine carries a boxed warning for Stevens-Johnson syndrome. Any rash requires
immediate discontinuation and medical evaluation. [100% CORRECT]
Q13: Valproate – Monitoring
The student is reviewing valproate. Which laboratory test is essential?
A. Serum valproate level
B. Liver function tests
C. Both A and B
D. Thyroid function
Correct Answer: C
Rationale: Valproate requires monitoring of serum levels (therapeutic 50-125 mcg/mL) and liver
function tests due to risk of hepatotoxicity. Thyroid function is not routinely monitored. [100%
CORRECT]
Q14: Antidepressant – Serotonin Syndrome
The student is reviewing serotonin syndrome. Which triad is characteristic?