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NSG 526 Exam 3 Comprehensive Practice
Exam 150 Questions and Answers
2026/2027 Psychiatric-Mental Health
Nurse Practitioner Review .
DOMAIN 1: ADVANCED PSYCHOPHARMACOLOGY, NEUROTRANSMITTERS & LAB MONITORING
(40 Questions)
Sub-Topic 1.1: Clozapine & ANC Monitoring (5 Questions)
Question 1 (Multiple Choice) A 28-year-old male with treatment-resistant schizophrenia has
been stable on Clozapine 400 mg/day for 4 months. His most recent ANC is 1,200/µL. According
to the 2026 REMS protocol, what is the appropriate monitoring frequency?
A. Weekly ANC monitoring indefinitely
B. Weekly ANC for 6 months, then every 2 weeks for 6 months
C. Every 2 weeks for the next 6 months, then monthly if stable
D. Discontinue Clozapine immediately
Answer: [CORRECT] C Rationale: The 2026 FDA REMS protocol streamlines monitoring for
established patients. For patients with stable ANC ≥1,500/µL (or ≥1,000/µL for patients with
benign ethnic neutropenia), after the initial 6 months of weekly monitoring, the frequency
transitions to every 2 weeks for the next 6 months, and then to monthly if ANC remains stable .
An ANC of 1,200/µL is within acceptable range and does not require discontinuation.
Question 2 (Calculation-Based) A patient's laboratory values show: WBC 3,500/µL with 45%
neutrophils, 5% bands, 40% lymphocytes, and 10% monocytes. Calculate the Absolute
Neutrophil Count (ANC) and determine the appropriate clinical action.
A. ANC 1,750/µL — Continue Clozapine with weekly monitoring
B. ANC 1,575/µL — Continue Clozapine with weekly monitoring
C. ANC 1,750/µL — Interrupt Clozapine and obtain hematology consult
D. ANC 1,575/µL — Interrupt Clozapine and obtain hematology consult
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Answer: [CORRECT] A Rationale: ANC calculation formula: WBC × (Neutrophils % + Bands %).
Calculation: 3,500 × (0.45 + 0.05) = 3,500 × 0.50 = 1,750/µL. An ANC ≥1,500/µL allows
continuation of Clozapine with routine monitoring per REMS protocol. The "green zone" (ANC
≥1,500/µL) permits treatment continuation with recommended monitoring frequency.
Question 3 (Select-All-That-Apply) Which of the following are TRUE regarding Clozapine's
unique efficacy in treatment-resistant schizophrenia? (Select all that apply)
A. Clozapine is the only antipsychotic with FDA-approved indication for treatment-resistant
schizophrenia
B. Clozapine's efficacy is attributed to its weak D2 antagonism combined with potent 5-HT2A
antagonism
C. Clozapine requires enrollment in the Clozapine REMS program due to risk of agranulocytosis
D. Clozapine is first-line treatment for all patients with schizophrenia
E. The risk of agranulocytosis is highest in the first 6 months of treatment
Answer: [CORRECT] A, B, C, E Rationale: Clozapine remains the only antipsychotic with proven
superior efficacy in treatment-resistant schizophrenia, attributed to its unique
pharmacodynamic profile including weak D2 antagonism and potent 5-HT2A antagonism. The
REMS program is mandatory due to the 0.8-1% risk of agranulocytosis, with the highest risk
occurring in the first 6 months of therapy. Clozapine is reserved for treatment-resistant cases
due to its side effect profile, not used as first-line treatment.
Question 4 (Multiple Choice) A 34-year-old female on Clozapine presents with fever, sore
throat, and malaise. Her ANC is 800/µL. What is the immediate PMHNP action?
A. Continue Clozapine and recheck ANC in 48 hours
B. Hold Clozapine, obtain repeat ANC within 24 hours, and consult hematology
C. Reduce Clozapine dose by 50% and monitor closely
D. Switch to Olanzapine immediately without hematology consultation
Answer: [CORRECT] B Rationale: An ANC between 500-999/µL falls in the "red zone" per REMS
protocol, requiring immediate discontinuation of Clozapine, repeat ANC within 24 hours, and
hematology consultation. The patient should not be rechallenged with Clozapine until ANC
recovers to ≥1,000/µL and the etiology is determined.
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Question 5 (True/False) Clozapine-induced myocarditis is most likely to occur within the first 8
weeks of treatment, and the PMHNP should monitor for symptoms including chest pain,
tachycardia, fever, and dyspnea.
Answer: [CORRECT] TRUE Rationale: Clozapine-induced myocarditis has a median onset of 14-
21 days, with most cases occurring within the first 8 weeks of treatment. The PMHNP must
maintain high clinical suspicion for symptoms including chest pain, tachycardia out of
proportion to fever, dyspnea, and fatigue. Baseline troponin and CRP are recommended, with
discontinuation of Clozapine if myocarditis is suspected.
Sub-Topic 1.2: Serotonin Syndrome vs. Neuroleptic Malignant Syndrome (6 Questions)
Question 6 (Multiple Choice) A 45-year-old male presents to the ED with agitation,
hyperreflexia, bilateral ankle clonus, diaphoresis, and dilated pupils. He recently started
Phenelzine 2 weeks ago and took Tramadol for back pain yesterday. Temperature is 38.2°C
(100.8°F). What is the most likely diagnosis?
A. Neuroleptic Malignant Syndrome
B. Serotonin Syndrome
C. Malignant Hyperthermia
D. Acute Dystonic Reaction
Answer: [CORRECT] B Rationale: This presentation is classic for Serotonin Syndrome (SS):
hyperreflexia and clonus (pathognomonic for SS), mydriasis, diaphoresis, and hyperthermia
following the combination of an MAOI (Phenelzine) and a serotonergic agent (Tramadol). The
onset within 24 hours and the presence of clonus differentiate SS from NMS, which features
lead-pipe rigidity, bradyreflexia, and gradual onset over days .
Question 7 (Multiple Choice) A 22-year-old female on Haloperidol 10 mg/day for acute
psychosis develops fever of 39.8°C (103.6°F), lead-pipe rigidity, mutism, tachycardia, and labile
blood pressure over 5 days. Her CK is 15,000 IU/L. What is the priority intervention?
A. Administer Cyproheptadine 12 mg immediately
B. Discontinue Haloperidol and initiate supportive care with possible Bromocriptine
C. Continue Haloperidol and add Lorazepam for agitation
D. Start Sertraline to counteract dopamine blockade
Answer: [CORRECT] B Rationale: This is Neuroleptic Malignant Syndrome (NMS): gradual onset
over days, lead-pipe rigidity, severe hyperthermia, autonomic instability, and markedly elevated
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CK. First-line management is discontinuation of the offending dopamine antagonist
(Haloperidol), aggressive supportive care, cooling measures, and dopamine agonists
(Bromocriptine) or dantrolene for severe cases . Cyproheptadine is used for Serotonin
Syndrome, not NMS.
Question 8 (Select-All-That-Apply) Which clinical findings differentiate Serotonin Syndrome
from Neuroleptic Malignant Syndrome? (Select all that apply)
A. Hyperreflexia and clonus are characteristic of Serotonin Syndrome
B. Lead-pipe rigidity is characteristic of Neuroleptic Malignant Syndrome
C. Serotonin Syndrome has a rapid onset (hours) after medication initiation
D. Neuroleptic Malignant Syndrome has a gradual onset (days to weeks)
E. Both conditions present with bradykinesia and mutism
F. Elevated CK >1,000 IU/L is specific to Neuroleptic Malignant Syndrome
Answer: [CORRECT] A, B, C, D Rationale: Serotonin Syndrome is a hyperkinetic toxidrome with
rapid onset (hours), hyperreflexia, clonus, mydriasis, and hyperactive bowel sounds . NMS is a
hypokinetic syndrome with gradual onset (days to weeks), lead-pipe rigidity, bradykinesia,
mutism, and autonomic instability . While CK elevation is more typical of NMS, both conditions
can show elevated CK, making F incorrect. Bradykinesia and mutism are NMS features, not SS.
Question 9 (Multiple Choice) A patient on Fluoxetine 40 mg/day presents with muscle clonus,
tremor, and mild agitation after starting Linezolid for a skin infection. The PMHNP suspects
Serotonin Syndrome. What is the mechanism of Linezolid-induced serotonin toxicity?
A. Linezolid is a potent MAO-A inhibitor that increases synaptic serotonin
B. Linezolid blocks serotonin reuptake transporters
C. Linezolid is a serotonin receptor agonist
D. Linezolid inhibits CYP2D6 metabolism of Fluoxetine
Answer: [CORRECT] A Rationale: Linezolid is a weak, reversible non-selective MAO inhibitor
that increases synaptic serotonin concentrations. When combined with SSRIs like Fluoxetine, it
can precipitate Serotonin Syndrome. The mechanism is MAO inhibition, not serotonin reuptake
blockade or CYP2D6 inhibition.
Question 10 (Calculation-Based) A patient weighs 70 kg and presents with severe Serotonin
Syndrome after combining Tramadol and Sertraline. The PMHNP orders Cyproheptadine. The
NSG 526 Exam 3 Comprehensive Practice
Exam 150 Questions and Answers
2026/2027 Psychiatric-Mental Health
Nurse Practitioner Review .
DOMAIN 1: ADVANCED PSYCHOPHARMACOLOGY, NEUROTRANSMITTERS & LAB MONITORING
(40 Questions)
Sub-Topic 1.1: Clozapine & ANC Monitoring (5 Questions)
Question 1 (Multiple Choice) A 28-year-old male with treatment-resistant schizophrenia has
been stable on Clozapine 400 mg/day for 4 months. His most recent ANC is 1,200/µL. According
to the 2026 REMS protocol, what is the appropriate monitoring frequency?
A. Weekly ANC monitoring indefinitely
B. Weekly ANC for 6 months, then every 2 weeks for 6 months
C. Every 2 weeks for the next 6 months, then monthly if stable
D. Discontinue Clozapine immediately
Answer: [CORRECT] C Rationale: The 2026 FDA REMS protocol streamlines monitoring for
established patients. For patients with stable ANC ≥1,500/µL (or ≥1,000/µL for patients with
benign ethnic neutropenia), after the initial 6 months of weekly monitoring, the frequency
transitions to every 2 weeks for the next 6 months, and then to monthly if ANC remains stable .
An ANC of 1,200/µL is within acceptable range and does not require discontinuation.
Question 2 (Calculation-Based) A patient's laboratory values show: WBC 3,500/µL with 45%
neutrophils, 5% bands, 40% lymphocytes, and 10% monocytes. Calculate the Absolute
Neutrophil Count (ANC) and determine the appropriate clinical action.
A. ANC 1,750/µL — Continue Clozapine with weekly monitoring
B. ANC 1,575/µL — Continue Clozapine with weekly monitoring
C. ANC 1,750/µL — Interrupt Clozapine and obtain hematology consult
D. ANC 1,575/µL — Interrupt Clozapine and obtain hematology consult
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Answer: [CORRECT] A Rationale: ANC calculation formula: WBC × (Neutrophils % + Bands %).
Calculation: 3,500 × (0.45 + 0.05) = 3,500 × 0.50 = 1,750/µL. An ANC ≥1,500/µL allows
continuation of Clozapine with routine monitoring per REMS protocol. The "green zone" (ANC
≥1,500/µL) permits treatment continuation with recommended monitoring frequency.
Question 3 (Select-All-That-Apply) Which of the following are TRUE regarding Clozapine's
unique efficacy in treatment-resistant schizophrenia? (Select all that apply)
A. Clozapine is the only antipsychotic with FDA-approved indication for treatment-resistant
schizophrenia
B. Clozapine's efficacy is attributed to its weak D2 antagonism combined with potent 5-HT2A
antagonism
C. Clozapine requires enrollment in the Clozapine REMS program due to risk of agranulocytosis
D. Clozapine is first-line treatment for all patients with schizophrenia
E. The risk of agranulocytosis is highest in the first 6 months of treatment
Answer: [CORRECT] A, B, C, E Rationale: Clozapine remains the only antipsychotic with proven
superior efficacy in treatment-resistant schizophrenia, attributed to its unique
pharmacodynamic profile including weak D2 antagonism and potent 5-HT2A antagonism. The
REMS program is mandatory due to the 0.8-1% risk of agranulocytosis, with the highest risk
occurring in the first 6 months of therapy. Clozapine is reserved for treatment-resistant cases
due to its side effect profile, not used as first-line treatment.
Question 4 (Multiple Choice) A 34-year-old female on Clozapine presents with fever, sore
throat, and malaise. Her ANC is 800/µL. What is the immediate PMHNP action?
A. Continue Clozapine and recheck ANC in 48 hours
B. Hold Clozapine, obtain repeat ANC within 24 hours, and consult hematology
C. Reduce Clozapine dose by 50% and monitor closely
D. Switch to Olanzapine immediately without hematology consultation
Answer: [CORRECT] B Rationale: An ANC between 500-999/µL falls in the "red zone" per REMS
protocol, requiring immediate discontinuation of Clozapine, repeat ANC within 24 hours, and
hematology consultation. The patient should not be rechallenged with Clozapine until ANC
recovers to ≥1,000/µL and the etiology is determined.
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Question 5 (True/False) Clozapine-induced myocarditis is most likely to occur within the first 8
weeks of treatment, and the PMHNP should monitor for symptoms including chest pain,
tachycardia, fever, and dyspnea.
Answer: [CORRECT] TRUE Rationale: Clozapine-induced myocarditis has a median onset of 14-
21 days, with most cases occurring within the first 8 weeks of treatment. The PMHNP must
maintain high clinical suspicion for symptoms including chest pain, tachycardia out of
proportion to fever, dyspnea, and fatigue. Baseline troponin and CRP are recommended, with
discontinuation of Clozapine if myocarditis is suspected.
Sub-Topic 1.2: Serotonin Syndrome vs. Neuroleptic Malignant Syndrome (6 Questions)
Question 6 (Multiple Choice) A 45-year-old male presents to the ED with agitation,
hyperreflexia, bilateral ankle clonus, diaphoresis, and dilated pupils. He recently started
Phenelzine 2 weeks ago and took Tramadol for back pain yesterday. Temperature is 38.2°C
(100.8°F). What is the most likely diagnosis?
A. Neuroleptic Malignant Syndrome
B. Serotonin Syndrome
C. Malignant Hyperthermia
D. Acute Dystonic Reaction
Answer: [CORRECT] B Rationale: This presentation is classic for Serotonin Syndrome (SS):
hyperreflexia and clonus (pathognomonic for SS), mydriasis, diaphoresis, and hyperthermia
following the combination of an MAOI (Phenelzine) and a serotonergic agent (Tramadol). The
onset within 24 hours and the presence of clonus differentiate SS from NMS, which features
lead-pipe rigidity, bradyreflexia, and gradual onset over days .
Question 7 (Multiple Choice) A 22-year-old female on Haloperidol 10 mg/day for acute
psychosis develops fever of 39.8°C (103.6°F), lead-pipe rigidity, mutism, tachycardia, and labile
blood pressure over 5 days. Her CK is 15,000 IU/L. What is the priority intervention?
A. Administer Cyproheptadine 12 mg immediately
B. Discontinue Haloperidol and initiate supportive care with possible Bromocriptine
C. Continue Haloperidol and add Lorazepam for agitation
D. Start Sertraline to counteract dopamine blockade
Answer: [CORRECT] B Rationale: This is Neuroleptic Malignant Syndrome (NMS): gradual onset
over days, lead-pipe rigidity, severe hyperthermia, autonomic instability, and markedly elevated
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CK. First-line management is discontinuation of the offending dopamine antagonist
(Haloperidol), aggressive supportive care, cooling measures, and dopamine agonists
(Bromocriptine) or dantrolene for severe cases . Cyproheptadine is used for Serotonin
Syndrome, not NMS.
Question 8 (Select-All-That-Apply) Which clinical findings differentiate Serotonin Syndrome
from Neuroleptic Malignant Syndrome? (Select all that apply)
A. Hyperreflexia and clonus are characteristic of Serotonin Syndrome
B. Lead-pipe rigidity is characteristic of Neuroleptic Malignant Syndrome
C. Serotonin Syndrome has a rapid onset (hours) after medication initiation
D. Neuroleptic Malignant Syndrome has a gradual onset (days to weeks)
E. Both conditions present with bradykinesia and mutism
F. Elevated CK >1,000 IU/L is specific to Neuroleptic Malignant Syndrome
Answer: [CORRECT] A, B, C, D Rationale: Serotonin Syndrome is a hyperkinetic toxidrome with
rapid onset (hours), hyperreflexia, clonus, mydriasis, and hyperactive bowel sounds . NMS is a
hypokinetic syndrome with gradual onset (days to weeks), lead-pipe rigidity, bradykinesia,
mutism, and autonomic instability . While CK elevation is more typical of NMS, both conditions
can show elevated CK, making F incorrect. Bradykinesia and mutism are NMS features, not SS.
Question 9 (Multiple Choice) A patient on Fluoxetine 40 mg/day presents with muscle clonus,
tremor, and mild agitation after starting Linezolid for a skin infection. The PMHNP suspects
Serotonin Syndrome. What is the mechanism of Linezolid-induced serotonin toxicity?
A. Linezolid is a potent MAO-A inhibitor that increases synaptic serotonin
B. Linezolid blocks serotonin reuptake transporters
C. Linezolid is a serotonin receptor agonist
D. Linezolid inhibits CYP2D6 metabolism of Fluoxetine
Answer: [CORRECT] A Rationale: Linezolid is a weak, reversible non-selective MAO inhibitor
that increases synaptic serotonin concentrations. When combined with SSRIs like Fluoxetine, it
can precipitate Serotonin Syndrome. The mechanism is MAO inhibition, not serotonin reuptake
blockade or CYP2D6 inhibition.
Question 10 (Calculation-Based) A patient weighs 70 kg and presents with severe Serotonin
Syndrome after combining Tramadol and Sertraline. The PMHNP orders Cyproheptadine. The
