ATI RN MENTAL HEALTH 2026 PROCTORED EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2026 Q&A | INSTANT DOWNLOAD PDF.
Core Domains
Therapeutic Communication
Psychiatric Disorders and DSM-5 Criteria
Psychopharmacology
Crisis Intervention and Suicide Prevention
Legal and Ethical Issues
Milieu Therapy and Group Dynamics
Substance Use Disorders
Child and Adolescent Mental Health
Older Adult Mental Health
Trauma-Informed Care
Introduction
This comprehensive examination assesses the knowledge and clinical judgment required for safe,
effective mental health nursing practice. It evaluates therapeutic communication, psychiatric disorders,
psychopharmacology, crisis intervention, and legal-ethical standards. The test features multiple-choice
and scenario-based questions emphasizing prioritization, safety, and real-world decision-making.
Mastery of these domains supports readiness for the ATI RN Mental Health proctored exam and
professional psychiatric nursing practice.
Section One: Questions 1–100
1. A nurse is assessing a client who has generalized anxiety disorder. Which finding is expected?
A. Episodes of acute fear
B. Excessive worry about multiple events
C. Fear of social situations
D. Recurrent intrusive thoughts
🟢 Correct answer: B
🔴 RATIONALE: Generalized anxiety disorder is characterized by excessive, uncontrollable worry about
multiple areas of life. Episodes of acute fear suggest panic disorder; social fear suggests social anxiety
disorder; intrusive thoughts suggest OCD.
2. A client with schizophrenia is hearing voices. Which is the most therapeutic nurse response?
A. "I don't hear any voices."
B. "What are the voices saying to you?"
C. "You should just ignore them."
D. "Let's play cards instead."
,🟢 Correct answer: B
🔴 RATIONALE: Asking what the voices are saying assesses for command hallucinations, which
indicate safety risk. Arguing, dismissing, or abruptly changing the subject is nontherapeutic.
3. A client taking lithium reports vomiting and diarrhea. Which is the priority nursing action?
A. Administer the next dose
B. Hold the dose and notify the provider
C. Encourage a high-sodium diet
D. Restrict fluids
🟢 Correct answer: B
🔴 RATIONALE: Vomiting and diarrhea are early signs of lithium toxicity. The nurse should hold the
medication, notify the provider, and obtain a serum lithium level.
4. A client is started on an SSRI. Which finding suggests serotonin syndrome?
A. Bradycardia
B. Hyperreflexia
C. Hypotension
D. Miosis
🟢 Correct answer: B
🔴 RATIONALE: Serotonin syndrome includes mental status changes, autonomic instability, and
neuromuscular abnormalities such as hyperreflexia, clonus, and tremor.
5. A client with major depressive disorder is admitted. Which assessment is the priority?
A. Sleep pattern
B. Suicidal ideation
C. Appetite
D. Energy level
🟢 Correct answer: B
🔴 RATIONALE: Safety is the priority. Suicidal ideation must be assessed directly and immediately in
any client with major depressive disorder.
6. A nurse is teaching a client about clozapine. Which laboratory value requires regular monitoring?
A. Absolute neutrophil count
B. INR
C. aPTT
D. BUN
🟢 Correct answer: A
🔴 RATIONALE: Clozapine can cause severe neutropenia and agranulocytosis. The absolute neutrophil
count must be monitored regularly.
7. A client is experiencing a panic attack. Which intervention should the nurse implement first?
A. Remain with the client and speak calmly
B. Administer a PRN benzodiazepine
, C. Teach deep breathing exercises
D. Place the client in seclusion
🟢 Correct answer: A
🔴 RATIONALE: The first intervention is to stay with the client and provide a calm, reassuring presence.
This helps reduce fear and prevents escalation.
8. A client with mania is admitted to the unit. Which is the priority nursing concern?
A. Imbalanced nutrition
B. Safety
C. Sleep disturbance
D. Hygiene
🟢 Correct answer: B
🔴 RATIONALE: Safety is the priority because mania causes impulsivity, poor judgment, and risk for
injury. Nutrition, sleep, and hygiene are important but secondary.
9. A client with borderline personality disorder frequently views staff as "all good" or "all bad." Which
defense mechanism is this?
A. Splitting
B. Projection
C. Denial
D. Rationalization
🟢 Correct answer: A
🔴 RATIONALE: Splitting is the inability to integrate positive and negative qualities of self and others,
leading to alternating idealization and devaluation.
10. Which statement by the nurse demonstrates therapeutic communication?
A. "Why did you do that?"
B. "You feel angry because your family forgot your birthday."
C. "Don't worry, everything will be fine."
D. "I know exactly how you feel."
🟢 Correct answer: B
🔴 RATIONALE: This response reflects the client's feeling and connects it to an event, showing
empathy and encouraging further expression.
11. A client with obsessive-compulsive disorder is prescribed fluoxetine. Which statement by the nurse
is correct?
A. "This medication will cure OCD in a few days."
B. "It may take several weeks to notice improvement."
C. "You should stop it once the rituals stop."
D. "This medication is only for depression."
🟢 Correct answer: B
🔴 RATIONALE: SSRIs like fluoxetine take several weeks to produce therapeutic effects in OCD. The
client should not stop the medication abruptly.
ANSWERS) PLUS RATIONALES 2026 Q&A | INSTANT DOWNLOAD PDF.
Core Domains
Therapeutic Communication
Psychiatric Disorders and DSM-5 Criteria
Psychopharmacology
Crisis Intervention and Suicide Prevention
Legal and Ethical Issues
Milieu Therapy and Group Dynamics
Substance Use Disorders
Child and Adolescent Mental Health
Older Adult Mental Health
Trauma-Informed Care
Introduction
This comprehensive examination assesses the knowledge and clinical judgment required for safe,
effective mental health nursing practice. It evaluates therapeutic communication, psychiatric disorders,
psychopharmacology, crisis intervention, and legal-ethical standards. The test features multiple-choice
and scenario-based questions emphasizing prioritization, safety, and real-world decision-making.
Mastery of these domains supports readiness for the ATI RN Mental Health proctored exam and
professional psychiatric nursing practice.
Section One: Questions 1–100
1. A nurse is assessing a client who has generalized anxiety disorder. Which finding is expected?
A. Episodes of acute fear
B. Excessive worry about multiple events
C. Fear of social situations
D. Recurrent intrusive thoughts
🟢 Correct answer: B
🔴 RATIONALE: Generalized anxiety disorder is characterized by excessive, uncontrollable worry about
multiple areas of life. Episodes of acute fear suggest panic disorder; social fear suggests social anxiety
disorder; intrusive thoughts suggest OCD.
2. A client with schizophrenia is hearing voices. Which is the most therapeutic nurse response?
A. "I don't hear any voices."
B. "What are the voices saying to you?"
C. "You should just ignore them."
D. "Let's play cards instead."
,🟢 Correct answer: B
🔴 RATIONALE: Asking what the voices are saying assesses for command hallucinations, which
indicate safety risk. Arguing, dismissing, or abruptly changing the subject is nontherapeutic.
3. A client taking lithium reports vomiting and diarrhea. Which is the priority nursing action?
A. Administer the next dose
B. Hold the dose and notify the provider
C. Encourage a high-sodium diet
D. Restrict fluids
🟢 Correct answer: B
🔴 RATIONALE: Vomiting and diarrhea are early signs of lithium toxicity. The nurse should hold the
medication, notify the provider, and obtain a serum lithium level.
4. A client is started on an SSRI. Which finding suggests serotonin syndrome?
A. Bradycardia
B. Hyperreflexia
C. Hypotension
D. Miosis
🟢 Correct answer: B
🔴 RATIONALE: Serotonin syndrome includes mental status changes, autonomic instability, and
neuromuscular abnormalities such as hyperreflexia, clonus, and tremor.
5. A client with major depressive disorder is admitted. Which assessment is the priority?
A. Sleep pattern
B. Suicidal ideation
C. Appetite
D. Energy level
🟢 Correct answer: B
🔴 RATIONALE: Safety is the priority. Suicidal ideation must be assessed directly and immediately in
any client with major depressive disorder.
6. A nurse is teaching a client about clozapine. Which laboratory value requires regular monitoring?
A. Absolute neutrophil count
B. INR
C. aPTT
D. BUN
🟢 Correct answer: A
🔴 RATIONALE: Clozapine can cause severe neutropenia and agranulocytosis. The absolute neutrophil
count must be monitored regularly.
7. A client is experiencing a panic attack. Which intervention should the nurse implement first?
A. Remain with the client and speak calmly
B. Administer a PRN benzodiazepine
, C. Teach deep breathing exercises
D. Place the client in seclusion
🟢 Correct answer: A
🔴 RATIONALE: The first intervention is to stay with the client and provide a calm, reassuring presence.
This helps reduce fear and prevents escalation.
8. A client with mania is admitted to the unit. Which is the priority nursing concern?
A. Imbalanced nutrition
B. Safety
C. Sleep disturbance
D. Hygiene
🟢 Correct answer: B
🔴 RATIONALE: Safety is the priority because mania causes impulsivity, poor judgment, and risk for
injury. Nutrition, sleep, and hygiene are important but secondary.
9. A client with borderline personality disorder frequently views staff as "all good" or "all bad." Which
defense mechanism is this?
A. Splitting
B. Projection
C. Denial
D. Rationalization
🟢 Correct answer: A
🔴 RATIONALE: Splitting is the inability to integrate positive and negative qualities of self and others,
leading to alternating idealization and devaluation.
10. Which statement by the nurse demonstrates therapeutic communication?
A. "Why did you do that?"
B. "You feel angry because your family forgot your birthday."
C. "Don't worry, everything will be fine."
D. "I know exactly how you feel."
🟢 Correct answer: B
🔴 RATIONALE: This response reflects the client's feeling and connects it to an event, showing
empathy and encouraging further expression.
11. A client with obsessive-compulsive disorder is prescribed fluoxetine. Which statement by the nurse
is correct?
A. "This medication will cure OCD in a few days."
B. "It may take several weeks to notice improvement."
C. "You should stop it once the rituals stop."
D. "This medication is only for depression."
🟢 Correct answer: B
🔴 RATIONALE: SSRIs like fluoxetine take several weeks to produce therapeutic effects in OCD. The
client should not stop the medication abruptly.
