ANCC PMHNP Psychiatric Mental Health Nurse
Practitioner Exam Prep – Comprehensive Study Guide,
Practice Questions, Rationales, DSM-5 Concepts,
Pharmacology & Clinical Review for ANCC PMHNP
Certification Success
Question 1: A 45-year-old female presents with persistent sadness, anhedonia, and insomnia
for 3 weeks. She denies manic symptoms. What is the most appropriate initial diagnosis?
A. Bipolar I Disorder
B. Major Depressive Disorder
C. Persistent Depressive Disorder
D. Adjustment Disorder
CORRECT ANSWER: B. Major Depressive Disorder
Rationale: MDD requires depressed mood or anhedonia for at least 2 weeks with additional
symptoms. Bipolar requires mania. Persistent Depressive Disorder requires 2 years. Adjustment
Disorder requires a specific stressor.
Question 2: Which medication is considered first-line pharmacotherapy for uncomplicated
Major Depressive Disorder?
A. Phenelzine
B. Sertraline
C. Lithium
D. Clozapine
CORRECT ANSWER: B. Sertraline
Rationale: SSRIs like Sertraline are first-line due to safety and tolerability. Phenelzine is an MAOI
(second/third line). Lithium is for Bipolar. Clozapine is for treatment-resistant schizophrenia.
Question 3: A patient on Fluoxetine reports sexual dysfunction. Which medication switch is
most appropriate to mitigate this side effect?
A. Paroxetine
B. Bupropion
C. Venlafaxine
D. Clomipramine
CORRECT ANSWER: B. Bupropion
Rationale: Bupropion is an NDRI with a lower risk of sexual side effects compared to SSRIs.
Paroxetine has high sexual side effect risk. Venlafaxine is an SNRI with similar risks.
Clomipramine is a TCA with anticholinergic effects.
Question 4: Which symptom distinguishes Bipolar I from Bipolar II Disorder?
A. Hypomania
B. Major Depression
C. Mania
D. Cyclothymia
CORRECT ANSWER: C. Mania
Rationale: Bipolar I requires at least one manic episode. Bipolar II requires hypomania and
major depression. Cyclothymia involves chronic unstable moods not meeting full episode
criteria.
,Question 5: What is the black box warning associated with all antidepressants in pediatric
patients?
A. Hepatotoxicity
B. Suicidality
C. QT Prolongation
D. Serotonin Syndrome
CORRECT ANSWER: B. Suicidality
Rationale: FDA mandates a black box warning for increased risk of suicidal thinking and
behavior in children and adolescents taking antidepressants.
Question 6: A patient presents with auditory hallucinations and delusions for 4 months.
Social functioning is impaired. What is the most likely diagnosis?
A. Brief Psychotic Disorder
B. Schizophreniform Disorder
C. Schizophrenia
D. Delusional Disorder
CORRECT ANSWER: C. Schizophrenia
Rationale: Schizophrenia requires symptoms for at least 6 months. Schizophreniform is 1-6
months. Brief Psychotic Disorder is <1 month. Delusional Disorder lacks other psychotic
symptoms.
Question 7: Which antipsychotic medication carries the highest risk of agranulocytosis?
A. Risperidone
B. Olanzapine
C. Clozapine
D. Aripiprazole
CORRECT ANSWER: C. Clozapine
Rationale: Clozapine requires strict ANC monitoring due to the risk of agranulocytosis. Other
antipsychotics do not carry this specific high-risk requirement.
Question 8: A patient with Generalized Anxiety Disorder (GAD) prefers non-pharmacological
treatment. Which therapy has the strongest evidence base?
A. Psychoanalysis
B. Cognitive Behavioral Therapy (CBT)
C. Art Therapy
D. Play Therapy
CORRECT ANSWER: B. Cognitive Behavioral Therapy (CBT)
Rationale: CBT is the gold standard psychotherapy for GAD, focusing on restructuring
maladaptive thoughts and behaviors.
Question 9: Which laboratory test is essential before initiating Lithium therapy?
A. Liver Function Tests
B. Thyroid Stimulating Hormone (TSH)
C. Hemoglobin A1c
D. Vitamin B12
CORRECT ANSWER: B. Thyroid Stimulating Hormone (TSH)
,Rationale: Lithium can cause hypothyroidism. Baseline TSH and renal function are required.
LFTs are for valproate. A1c is for antipsychotics.
Question 10: A patient exhibits excessive worry about having a serious illness despite medical
reassurance. What is the diagnosis?
A. Somatic Symptom Disorder
B. Illness Anxiety Disorder
C. Conversion Disorder
D. Factitious Disorder
CORRECT ANSWER: B. Illness Anxiety Disorder
Rationale: Illness Anxiety Disorder involves preoccupation with having a serious illness with
minimal somatic symptoms. Somatic Symptom Disorder involves significant somatic symptoms.
Question 11: Which medication is FDA-approved for the treatment of Alcohol Use Disorder?
A. Disulfiram
B. Methadone
C. Buprenorphine
D. Clonidine
CORRECT ANSWER: A. Disulfiram
Rationale: Disulfiram, Naltrexone, and Acamprosate are approved for Alcohol Use Disorder.
Methadone and Buprenorphine are for Opioid Use Disorder.
Question 12: A child presents with inattention and hyperactivity in two settings for 7 months.
What is the diagnosis?
A. Oppositional Defiant Disorder
B. Attention-Deficit/Hyperactivity Disorder (ADHD)
C. Conduct Disorder
D. Autism Spectrum Disorder
CORRECT ANSWER: B. Attention-Deficit/Hyperactivity Disorder (ADHD)
Rationale: ADHD requires symptoms of inattention and/or hyperactivity-impulsivity for at least
6 months in two or more settings.
Question 13: Which stimulant medication is a prodrug?
A. Methylphenidate
B. Amphetamine
C. Lisdexamfetamine
D. Dexmethylphenidate
CORRECT ANSWER: C. Lisdexamfetamine
Rationale: Lisdexamfetamine is inactive until metabolized in the body to dextroamphetamine,
reducing abuse potential.
Question 14: A patient experiences flashbacks and avoidance behaviors 3 months after a
traumatic event. What is the diagnosis?
A. Acute Stress Disorder
B. Post-Traumatic Stress Disorder (PTSD)
C. Adjustment Disorder
D. Panic Disorder
, CORRECT ANSWER: B. Post-Traumatic Stress Disorder (PTSD)
Rationale: PTSD symptoms must persist for more than 1 month. Acute Stress Disorder is 3 days
to 1 month.
Question 15: Which medication is commonly used to manage opioid withdrawal symptoms?
A. Clonidine
B. Fluoxetine
C. Lithium
D. Haloperidol
CORRECT ANSWER: A. Clonidine
Rationale: Clonidine reduces autonomic hyperactivity during opioid withdrawal. Buprenorphine
is also used for induction/maintenance.
Question 16: What is the primary mechanism of action of SSRIs?
A. Dopamine reuptake inhibition
B. Serotonin reuptake inhibition
C. Norepinephrine reuptake inhibition
D. GABA receptor agonism
CORRECT ANSWER: B. Serotonin reuptake inhibition
Rationale: SSRIs block the reuptake of serotonin, increasing its availability in the synaptic cleft.
Question 17: A patient presents with restricted eating and intense fear of gaining weight. BMI
is 16. What is the diagnosis?
A. Bulimia Nervosa
B. Binge Eating Disorder
C. Anorexia Nervosa
D. Pica
CORRECT ANSWER: C. Anorexia Nervosa
Rationale: Anorexia Nervosa involves restriction of energy intake leading to low body weight
and fear of weight gain. Bulimia involves binge/purge cycles.
Question 18: Which antipsychotic is most associated with metabolic syndrome?
A. Ziprasidone
B. Olanzapine
C. Aripiprazole
D. Lurasidone
CORRECT ANSWER: B. Olanzapine
Rationale: Olanzapine and Clozapine have the highest risk of weight gain, diabetes, and
dyslipidemia among antipsychotics.
Question 19: A patient reports hearing voices commanding them to harm themselves. What
is the priority intervention?
A. Outpatient therapy referral
B. Hospitalization for safety
C. Medication adjustment
D. Family education
CORRECT ANSWER: B. Hospitalization for safety
Practitioner Exam Prep – Comprehensive Study Guide,
Practice Questions, Rationales, DSM-5 Concepts,
Pharmacology & Clinical Review for ANCC PMHNP
Certification Success
Question 1: A 45-year-old female presents with persistent sadness, anhedonia, and insomnia
for 3 weeks. She denies manic symptoms. What is the most appropriate initial diagnosis?
A. Bipolar I Disorder
B. Major Depressive Disorder
C. Persistent Depressive Disorder
D. Adjustment Disorder
CORRECT ANSWER: B. Major Depressive Disorder
Rationale: MDD requires depressed mood or anhedonia for at least 2 weeks with additional
symptoms. Bipolar requires mania. Persistent Depressive Disorder requires 2 years. Adjustment
Disorder requires a specific stressor.
Question 2: Which medication is considered first-line pharmacotherapy for uncomplicated
Major Depressive Disorder?
A. Phenelzine
B. Sertraline
C. Lithium
D. Clozapine
CORRECT ANSWER: B. Sertraline
Rationale: SSRIs like Sertraline are first-line due to safety and tolerability. Phenelzine is an MAOI
(second/third line). Lithium is for Bipolar. Clozapine is for treatment-resistant schizophrenia.
Question 3: A patient on Fluoxetine reports sexual dysfunction. Which medication switch is
most appropriate to mitigate this side effect?
A. Paroxetine
B. Bupropion
C. Venlafaxine
D. Clomipramine
CORRECT ANSWER: B. Bupropion
Rationale: Bupropion is an NDRI with a lower risk of sexual side effects compared to SSRIs.
Paroxetine has high sexual side effect risk. Venlafaxine is an SNRI with similar risks.
Clomipramine is a TCA with anticholinergic effects.
Question 4: Which symptom distinguishes Bipolar I from Bipolar II Disorder?
A. Hypomania
B. Major Depression
C. Mania
D. Cyclothymia
CORRECT ANSWER: C. Mania
Rationale: Bipolar I requires at least one manic episode. Bipolar II requires hypomania and
major depression. Cyclothymia involves chronic unstable moods not meeting full episode
criteria.
,Question 5: What is the black box warning associated with all antidepressants in pediatric
patients?
A. Hepatotoxicity
B. Suicidality
C. QT Prolongation
D. Serotonin Syndrome
CORRECT ANSWER: B. Suicidality
Rationale: FDA mandates a black box warning for increased risk of suicidal thinking and
behavior in children and adolescents taking antidepressants.
Question 6: A patient presents with auditory hallucinations and delusions for 4 months.
Social functioning is impaired. What is the most likely diagnosis?
A. Brief Psychotic Disorder
B. Schizophreniform Disorder
C. Schizophrenia
D. Delusional Disorder
CORRECT ANSWER: C. Schizophrenia
Rationale: Schizophrenia requires symptoms for at least 6 months. Schizophreniform is 1-6
months. Brief Psychotic Disorder is <1 month. Delusional Disorder lacks other psychotic
symptoms.
Question 7: Which antipsychotic medication carries the highest risk of agranulocytosis?
A. Risperidone
B. Olanzapine
C. Clozapine
D. Aripiprazole
CORRECT ANSWER: C. Clozapine
Rationale: Clozapine requires strict ANC monitoring due to the risk of agranulocytosis. Other
antipsychotics do not carry this specific high-risk requirement.
Question 8: A patient with Generalized Anxiety Disorder (GAD) prefers non-pharmacological
treatment. Which therapy has the strongest evidence base?
A. Psychoanalysis
B. Cognitive Behavioral Therapy (CBT)
C. Art Therapy
D. Play Therapy
CORRECT ANSWER: B. Cognitive Behavioral Therapy (CBT)
Rationale: CBT is the gold standard psychotherapy for GAD, focusing on restructuring
maladaptive thoughts and behaviors.
Question 9: Which laboratory test is essential before initiating Lithium therapy?
A. Liver Function Tests
B. Thyroid Stimulating Hormone (TSH)
C. Hemoglobin A1c
D. Vitamin B12
CORRECT ANSWER: B. Thyroid Stimulating Hormone (TSH)
,Rationale: Lithium can cause hypothyroidism. Baseline TSH and renal function are required.
LFTs are for valproate. A1c is for antipsychotics.
Question 10: A patient exhibits excessive worry about having a serious illness despite medical
reassurance. What is the diagnosis?
A. Somatic Symptom Disorder
B. Illness Anxiety Disorder
C. Conversion Disorder
D. Factitious Disorder
CORRECT ANSWER: B. Illness Anxiety Disorder
Rationale: Illness Anxiety Disorder involves preoccupation with having a serious illness with
minimal somatic symptoms. Somatic Symptom Disorder involves significant somatic symptoms.
Question 11: Which medication is FDA-approved for the treatment of Alcohol Use Disorder?
A. Disulfiram
B. Methadone
C. Buprenorphine
D. Clonidine
CORRECT ANSWER: A. Disulfiram
Rationale: Disulfiram, Naltrexone, and Acamprosate are approved for Alcohol Use Disorder.
Methadone and Buprenorphine are for Opioid Use Disorder.
Question 12: A child presents with inattention and hyperactivity in two settings for 7 months.
What is the diagnosis?
A. Oppositional Defiant Disorder
B. Attention-Deficit/Hyperactivity Disorder (ADHD)
C. Conduct Disorder
D. Autism Spectrum Disorder
CORRECT ANSWER: B. Attention-Deficit/Hyperactivity Disorder (ADHD)
Rationale: ADHD requires symptoms of inattention and/or hyperactivity-impulsivity for at least
6 months in two or more settings.
Question 13: Which stimulant medication is a prodrug?
A. Methylphenidate
B. Amphetamine
C. Lisdexamfetamine
D. Dexmethylphenidate
CORRECT ANSWER: C. Lisdexamfetamine
Rationale: Lisdexamfetamine is inactive until metabolized in the body to dextroamphetamine,
reducing abuse potential.
Question 14: A patient experiences flashbacks and avoidance behaviors 3 months after a
traumatic event. What is the diagnosis?
A. Acute Stress Disorder
B. Post-Traumatic Stress Disorder (PTSD)
C. Adjustment Disorder
D. Panic Disorder
, CORRECT ANSWER: B. Post-Traumatic Stress Disorder (PTSD)
Rationale: PTSD symptoms must persist for more than 1 month. Acute Stress Disorder is 3 days
to 1 month.
Question 15: Which medication is commonly used to manage opioid withdrawal symptoms?
A. Clonidine
B. Fluoxetine
C. Lithium
D. Haloperidol
CORRECT ANSWER: A. Clonidine
Rationale: Clonidine reduces autonomic hyperactivity during opioid withdrawal. Buprenorphine
is also used for induction/maintenance.
Question 16: What is the primary mechanism of action of SSRIs?
A. Dopamine reuptake inhibition
B. Serotonin reuptake inhibition
C. Norepinephrine reuptake inhibition
D. GABA receptor agonism
CORRECT ANSWER: B. Serotonin reuptake inhibition
Rationale: SSRIs block the reuptake of serotonin, increasing its availability in the synaptic cleft.
Question 17: A patient presents with restricted eating and intense fear of gaining weight. BMI
is 16. What is the diagnosis?
A. Bulimia Nervosa
B. Binge Eating Disorder
C. Anorexia Nervosa
D. Pica
CORRECT ANSWER: C. Anorexia Nervosa
Rationale: Anorexia Nervosa involves restriction of energy intake leading to low body weight
and fear of weight gain. Bulimia involves binge/purge cycles.
Question 18: Which antipsychotic is most associated with metabolic syndrome?
A. Ziprasidone
B. Olanzapine
C. Aripiprazole
D. Lurasidone
CORRECT ANSWER: B. Olanzapine
Rationale: Olanzapine and Clozapine have the highest risk of weight gain, diabetes, and
dyslipidemia among antipsychotics.
Question 19: A patient reports hearing voices commanding them to harm themselves. What
is the priority intervention?
A. Outpatient therapy referral
B. Hospitalization for safety
C. Medication adjustment
D. Family education
CORRECT ANSWER: B. Hospitalization for safety
