AANP PMHNP Certification Exam | Complete Questions with Correct
Answers and Detailed Rationales - Latest Update 2026.
Question 1
A 26-year-old client presents with excessive worry occurring most days for
the past 9 months. The client reports difficulty sleeping, muscle tension,
irritability, and difficulty concentrating. No history of panic attacks is
reported.
Which diagnosis is most consistent with these findings?
A. Panic Disorder
B. Generalized Anxiety Disorder
C. Social Anxiety Disorder
D. Adjustment Disorder
Correct Answer: B. Generalized Anxiety Disorder (GAD)
Rationale:
Generalized Anxiety Disorder is characterized by excessive anxiety and worry
occurring more days than not for at least six months. Symptoms include
restlessness, fatigue, poor concentration, irritability, muscle tension, and sleep
disturbance.
Question 2
A client taking lithium for bipolar disorder reports nausea, coarse tremors,
diarrhea, and increasing confusion.
What is the PMHNP's priority intervention?
A. Continue the medication and reassess tomorrow.
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,B. Hold the lithium and obtain a serum lithium level immediately.
C. Administer the next dose early.
D. Encourage caffeine intake.
Correct Answer: B. Hold the lithium and obtain a serum lithium level
immediately.
Rationale:
These findings suggest lithium toxicity. The medication should be withheld,
serum lithium levels assessed, hydration evaluated, and the prescribing
provider notified immediately.
Question 3
Which neurotransmitter is most strongly associated with the positive
symptoms of schizophrenia?
A. Serotonin
B. Dopamine
C. GABA
D. Acetylcholine
Correct Answer: B. Dopamine
Rationale:
Hyperactivity of dopamine pathways, particularly the mesolimbic pathway, is
associated with positive symptoms such as hallucinations and delusions.
Question 4
A patient diagnosed with Major Depressive Disorder begins taking sertraline.
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,When should the PMHNP educate the patient to expect significant therapeutic
improvement?
A. Within 24 hours
B. Within 2 to 6 weeks
C. After 3 months
D. Immediately after the first dose
Correct Answer: B. Within 2 to 6 weeks
Rationale:
SSRIs usually require several weeks before significant symptom improvement
occurs, although side effects may appear sooner.
Question 5
Which symptom is considered a negative symptom of schizophrenia?
A. Hallucinations
B. Delusions
C. Flat affect
D. Disorganized speech
Correct Answer: C. Flat affect
Rationale:
Negative symptoms include flat affect, avolition, alogia, anhedonia, and social
withdrawal.
Question 6
A patient taking clozapine develops a sore throat and fever.
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, What should the PMHNP do first?
A. Reassure the patient.
B. Obtain a complete blood count immediately.
C. Increase the clozapine dose.
D. Continue treatment without changes.
Correct Answer: B. Obtain a complete blood count immediately.
Rationale:
Clozapine can cause agranulocytosis. Fever and sore throat require immediate
evaluation of the white blood cell count and absolute neutrophil count.
Question 7
Which medication is considered first-line pharmacologic treatment for panic
disorder?
A. Haloperidol
B. Sertraline
C. Lithium
D. Valproic acid
Correct Answer: B. Sertraline
Rationale:
SSRIs, including sertraline, are first-line medications for panic disorder
because of their effectiveness and favorable safety profile.
Question 8
A manic patient is talking rapidly, pacing, and unable to remain seated.
4|Page
Answers and Detailed Rationales - Latest Update 2026.
Question 1
A 26-year-old client presents with excessive worry occurring most days for
the past 9 months. The client reports difficulty sleeping, muscle tension,
irritability, and difficulty concentrating. No history of panic attacks is
reported.
Which diagnosis is most consistent with these findings?
A. Panic Disorder
B. Generalized Anxiety Disorder
C. Social Anxiety Disorder
D. Adjustment Disorder
Correct Answer: B. Generalized Anxiety Disorder (GAD)
Rationale:
Generalized Anxiety Disorder is characterized by excessive anxiety and worry
occurring more days than not for at least six months. Symptoms include
restlessness, fatigue, poor concentration, irritability, muscle tension, and sleep
disturbance.
Question 2
A client taking lithium for bipolar disorder reports nausea, coarse tremors,
diarrhea, and increasing confusion.
What is the PMHNP's priority intervention?
A. Continue the medication and reassess tomorrow.
1|Page
,B. Hold the lithium and obtain a serum lithium level immediately.
C. Administer the next dose early.
D. Encourage caffeine intake.
Correct Answer: B. Hold the lithium and obtain a serum lithium level
immediately.
Rationale:
These findings suggest lithium toxicity. The medication should be withheld,
serum lithium levels assessed, hydration evaluated, and the prescribing
provider notified immediately.
Question 3
Which neurotransmitter is most strongly associated with the positive
symptoms of schizophrenia?
A. Serotonin
B. Dopamine
C. GABA
D. Acetylcholine
Correct Answer: B. Dopamine
Rationale:
Hyperactivity of dopamine pathways, particularly the mesolimbic pathway, is
associated with positive symptoms such as hallucinations and delusions.
Question 4
A patient diagnosed with Major Depressive Disorder begins taking sertraline.
2|Page
,When should the PMHNP educate the patient to expect significant therapeutic
improvement?
A. Within 24 hours
B. Within 2 to 6 weeks
C. After 3 months
D. Immediately after the first dose
Correct Answer: B. Within 2 to 6 weeks
Rationale:
SSRIs usually require several weeks before significant symptom improvement
occurs, although side effects may appear sooner.
Question 5
Which symptom is considered a negative symptom of schizophrenia?
A. Hallucinations
B. Delusions
C. Flat affect
D. Disorganized speech
Correct Answer: C. Flat affect
Rationale:
Negative symptoms include flat affect, avolition, alogia, anhedonia, and social
withdrawal.
Question 6
A patient taking clozapine develops a sore throat and fever.
3|Page
, What should the PMHNP do first?
A. Reassure the patient.
B. Obtain a complete blood count immediately.
C. Increase the clozapine dose.
D. Continue treatment without changes.
Correct Answer: B. Obtain a complete blood count immediately.
Rationale:
Clozapine can cause agranulocytosis. Fever and sore throat require immediate
evaluation of the white blood cell count and absolute neutrophil count.
Question 7
Which medication is considered first-line pharmacologic treatment for panic
disorder?
A. Haloperidol
B. Sertraline
C. Lithium
D. Valproic acid
Correct Answer: B. Sertraline
Rationale:
SSRIs, including sertraline, are first-line medications for panic disorder
because of their effectiveness and favorable safety profile.
Question 8
A manic patient is talking rapidly, pacing, and unable to remain seated.
4|Page
