MSN 675 AEPA Comprehensive Final Examination - Nothern Kentucky University
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Free MSN 675 AEPA Comprehensive Final Examination - Nothern Kentucky University Questions
A 32-year-old man with a history of heavy stimulant misuse presents with intense psychotic symptoms. He denies visual hallucinations but states he feels "on edge" and believes people are plotting against him. Which of the following findings is MOST characteristic of stimulant-induced psychotic disorder?
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Prominent visual hallucinations with minimal paranoid thinking
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Tactile hallucinations as the primary symptom in most cases
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Paranoid delusions occurring in fewer than 10% of stimulant users
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Paranoid delusions with possible auditory hallucinations, occurring in up to half of stimulant misusers
Explanation
Explanation:
Correct Answer: (D) Paranoid delusions with possible auditory hallucinations, occurring in up to half of stimulant misusers
Stimulant-induced psychosis commonly presents with paranoid delusions, often accompanied by auditory hallucinations, and this presentation occurs in a substantial proportion (up to approximately half) of individuals who misuse stimulants heavily.
Why Other Options are Incorrect:
A. Visual hallucinations are less prominent than paranoid delusions in stimulant-induced psychosis; paranoia is the hallmark feature, not minimal.
B. Tactile hallucinations (such as formication) can occur but are not the primary or most characteristic symptom; paranoid delusions are more central to this disorder.
C. Paranoid delusions occur far more frequently than in fewer than 10% of users; they are actually one of the most common features of stimulant-induced psychosis.
The psychiatric nurse practitioner is reviewing medication safety principles with a student who is learning about benzodiazepines. Which of the following statements is TRUE regarding benzodiazepines?
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They are first-line long-term treatments for generalized anxiety disorder
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They have no risk of respiratory depression when combined with other sedatives
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They should be prescribed for short-term use per most treatment guidelines
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They are the preferred treatment for patients regardless of a history of substance use disorder
Explanation
Explanation:
Correct Answer: (C) They should be prescribed for short-term use per most treatment guidelines
Due to risks of tolerance, dependence, and withdrawal, most treatment guidelines recommend benzodiazepines be prescribed only for short-term use, such as acute anxiety symptom relief, rather than as long-term therapy.
Why Other Options are Incorrect:
A. Benzodiazepines are not recommended as first-line long-term treatment for GAD; SSRIs/SNRIs are preferred for long-term management.
B. Benzodiazepines carry a significant risk of additive respiratory depression when combined with other sedatives, such as opioids or alcohol.
D. Benzodiazepines should be used with caution or avoided in patients with a history of substance use disorder due to their potential for misuse and dependence.
A 52-year-old male with severe alcohol use disorder is admitted for inpatient alcohol detoxification. The psychiatric nurse practitioner initiates a fixed-dose benzodiazepine taper using chlordiazepoxide. On Day 1, the patient receives 25 mg orally 4 times daily, with two additional doses given due to persistent tremors and autonomic symptoms.
Which of the following is the MOST appropriate medication management strategy for Day 2 and subsequent days?
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Reduce the total benzodiazepine dose by approximately 20% from Day 1 and continue tapering by 20% daily over 4-5 days
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Switch to PRN benzodiazepine dosing after Day 1 to minimize medication exposure and potential abuse. Monitor for need to discontinue benzodiazepine after 24 hours
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Transition to a higher benzodiazepine dose on Day 2, then abruptly discontinue after symptom resolution
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Maintain the same total daily dose for 3 days, then discontinue medication without taper
Explanation
Explanation:
Correct Answer: (A) Reduce the total benzodiazepine dose by approximately 20% from Day 1 and continue tapering by 20% daily over 4-5 days In fixed-dose benzodiazepine tapering protocols for alcohol withdrawal, the total Day 1 dose (including supplemental doses given for breakthrough symptoms) is calculated, and the dose is then gradually reduced by approximately 20% each subsequent day over 4-5 days. This approach controls withdrawal symptoms while systematically weaning the patient off benzodiazepines and minimizing the risk of complications such as seizures or delirium tremens.
Why Other Options are Incorrect:
B. Switching to PRN dosing after only one day does not provide the steady, predictable symptom control needed early in withdrawal and increases the risk of under-treatment of autonomic instability.
C. Increasing the dose on Day 2 followed by abrupt discontinuation is dangerous and can precipitate severe withdrawal symptoms, including seizures.
D. Maintaining the same dose for 3 days without tapering, followed by abrupt discontinuation, does not allow for gradual withdrawal management and risks rebound symptoms.
A 40-year-old man is found wandering in another state after disappearing from home for several days. He cannot recall how he traveled there and is unable to remember important personal information, including his address and occupation. He appears confused about his identity and has adopted a different name during the episode. There is no evidence of substance intoxication, neurologic illness, or psychotic disorder. Which diagnosis best explains this presentation?
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Dissociative identity disorder
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Dissociative fugue
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Depersonalization/derealization disorder
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Brief psychotic disorder
Explanation
Explanation:
Correct Answer: (B) Dissociative fugue
Dissociative fugue is characterized by sudden, unexpected travel away from home with an inability to recall one's past and confusion about identity, sometimes including adoption of a new identity, occurring in the absence of substance use or another medical/psychiatric explanation.
Why Other Options are Incorrect:
A. Dissociative identity disorder involves the presence of two or more distinct personality states with recurrent gaps in memory, not simply a single episode of fugue-like travel and identity confusion.
C. Depersonalization/derealization disorder involves persistent feelings of detachment from oneself or one's surroundings, not amnesia, travel, or identity confusion.
D. Brief psychotic disorder involves the presence of delusions, hallucinations, or disorganized speech/behavior, none of which are described in this presentation.
A psychiatric-mental health nurse practitioner is preparing to initiate treatment for a 7-year-old child newly diagnosed with ADHD. According to current evidence-based guidelines, which of the following statements BEST reflects first-line pharmacologic management and safety considerations?
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Non-stimulant medications are preferred as first-line therapy due to superior efficacy and safety
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CNS stimulants are first-line agents because they demonstrate the highest efficacy with generally mild, tolerable side effects
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Stimulants should be prescribed to all patients with ADHD regardless of cardiac history
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Pharmacologic treatment is not recommended until behavioral therapy has been attempted for at least 12 months
Explanation
Explanation:
Correct Answer: (B) CNS stimulants are first-line agents because they demonstrate the highest efficacy with generally mild, tolerable side effects
CNS stimulants (such as methylphenidate and amphetamine derivatives) have the strongest evidence base for efficacy in treating ADHD symptoms, with side effects that are generally mild and manageable, making them the recommended first-line pharmacologic treatment.
Why Other Options are Incorrect:
A. Non-stimulants are considered second-line agents, typically used when stimulants are ineffective, not tolerated, or contraindicated.
C. Cardiac history must be assessed before prescribing stimulants, as stimulants carry cardiovascular risks that require screening and caution in at-risk patients.
D. While behavioral therapy is an important first-line/adjunct treatment, particularly in young children, current guidelines do not require a strict 12-month behavioral trial before considering pharmacologic treatment, especially for moderate-to-severe cases.
A 26-year-old patient is being evaluated for stimulant dependence. The clinician discusses factors that contribute to the development of stimulant use disorders with the interdisciplinary team. Which of the following statements BEST reflects current evidence regarding the etiology of stimulant dependence?
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Genetic factors account for nearly all risk, with minimal environmental influence
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Shared family environment is the strongest predictor of stimulant dependence
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Sociocultural factors play only a minor role in the initiation and continuation of stimulant use
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Genetic factors and unique (unshared) environmental factors contribute equally to stimulant dependence
Explanation
Explanation:
Correct Answer: (D) Genetic factors and unique (unshared) environmental factors contribute equally to stimulant dependence
Current evidence from twin and family studies indicates that stimulant dependence arises from a roughly equal combination of genetic predisposition and unique (individual, unshared) environmental factors, rather than being dominated by any single influence.
Why Other Options are Incorrect:
A. Genetics do not account for nearly all risk; environmental factors play a substantial and well-documented contributing role.
B. Shared family environment has been shown to have a relatively minor influence compared to genetic and unique environmental factors in substance use disorder research.
C. Sociocultural factors play a significant, not minor, role in both the initiation and continuation of stimulant use.
A 26-year-old patient has experienced several manic episodes but denies ever having depressive symptoms. The clinician explains that this condition still falls within the bipolar spectrum. Which diagnosis best fits this presentation?
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Cyclothymia
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Dysthymia
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Unipolar mania
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Hypomania
Explanation
Explanation:
Correct Answer: (C) Unipolar mania
Unipolar mania describes a rare presentation within the bipolar spectrum where a patient experiences recurrent manic episodes without ever experiencing a depressive episode, distinguishing it from typical bipolar I disorder, which usually includes both mood poles.
Why Other Options are Incorrect:
A. Cyclothymia involves chronic, fluctuating periods of hypomanic and depressive symptoms that don't meet full criteria for mania or major depression, not full manic episodes without depression.
B. Dysthymia (persistent depressive disorder) is characterized by chronic low-grade depressive symptoms, which is inconsistent with this patient's history of manic episodes and no depression.
D. Hypomania refers to a milder, shorter form of elevated mood that does not cause significant impairment, whereas this patient has experienced full manic episodes.
Mr. M, a 20-year-old unemployed man living with his parents, was brought to the hospital by friends after becoming anxious and agitated. At a restaurant, after drinking a couple of beers, he consumed a large amount of cannabis orally despite warnings. About 30 minutes later, he became tense and frightened, reporting visual distortions—his friends' faces appeared three times larger, and the room's colors and proportions shifted. He believed other guests were talking about him menacingly and ran into the street, weaving through traffic.
His friends eventually brought him to the hospital. On exam, he appeared anxious and distracted but fully oriented, with conjunctival injection and tachycardia (HR 120). Neurologic exam was normal. His symptoms resolved within a few hours, and he left with his friends.
What is the MOST likely diagnosis for Mr. M?
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Cannabis Intoxication
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Cannabis overdose
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Cannabis-induced psychotic disorder
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No answer text provided.
Explanation
Explanation:
Correct Answer: (A) Cannabis Intoxication Mr. M's presentation—perceptual distortions, anxiety, paranoid ideation, conjunctival injection, and tachycardia occurring shortly after cannabis ingestion, remaining fully oriented, and resolving within hours—is classic for acute cannabis intoxication, particularly with high-dose oral consumption which produces more intense and prolonged effects than inhalation.
Why Other Options are Incorrect:
B. "Cannabis overdose" is not a recognized clinical diagnostic category in this context; his presentation fits the diagnostic criteria for intoxication rather than a life-threatening overdose state.
C. Cannabis-induced psychotic disorder typically involves more persistent psychotic symptoms lasting beyond the expected intoxication period, whereas his symptoms resolved within hours and he remained fully oriented throughout.
D. Not applicable.
A 72-year-old patient presents with fluctuating cognition, variable attention, and episodes of decreased alertness throughout the day. The family reports recurrent, well-formed visual hallucinations of people and animals. On exam, the patient demonstrates mild parkinsonian motor symptoms that developed after the onset of cognitive decline. Which of the following diagnostic classifications BEST fits this presentation according to criteria for Neurocognitive Disorder with Lewy Bodies?
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Possible Neurocognitive Disorder with Lewy Bodies
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Probable Neurocognitive Disorder with Lewy Bodies
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Alzheimer disease with behavioral disturbance
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Parkinson disease dementia
Explanation
Explanation:
Correct Answer: (B) Probable Neurocognitive Disorder with Lewy Bodies
This patient exhibits at least two core features (fluctuating cognition and recurrent well-formed visual hallucinations), plus parkinsonism, meeting the criteria for a diagnosis of Probable Neurocognitive Disorder with Lewy Bodies, which requires two or more core clinical features.
Why Other Options are Incorrect:
A. "Possible" NCD with Lewy Bodies is diagnosed when only one core feature is present; this patient has at least two (fluctuating cognition and hallucinations), meeting criteria for "Probable" instead.
C. Alzheimer disease typically presents with a primary and early prominent memory impairment, not the fluctuating cognition, visual hallucinations, and parkinsonism seen here.
D. Parkinson disease dementia is diagnosed when parkinsonian motor symptoms precede cognitive decline by more than one year; in this case, motor symptoms developed after the onset of cognitive decline, favoring NCD with Lewy Bodies instead.
An older adult is brought to the emergency department with sudden confusion, fluctuating levels of alertness, and visual misperceptions. The family reports that the symptoms began abruptly earlier in the day. On exam, the patient is disoriented, inattentive, and intermittently agitated. Which of the following features BEST supports a diagnosis of delirium?
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Gradual decline in memory and executive functioning over several months
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Impairment of consciousness with a sudden onset and fluctuating course
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Persistent hallucinations with stable orientation and intact attention
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Stable cognitive deficits that remain unchanged throughout the day
Explanation
Explanation:
Correct Answer: (B) Impairment of consciousness with a sudden onset and fluctuating course
Delirium is characterized by an acute onset of disturbed consciousness and attention that fluctuates throughout the day, distinguishing it from more chronic, gradually progressive cognitive disorders.
Why Other Options are Incorrect:
A. A gradual decline over months is characteristic of dementia, not the acute presentation of delirium.
C. Persistent hallucinations with stable orientation and intact attention are inconsistent with delirium, which by definition involves impaired attention.
D. Delirium is defined by a fluctuating course, not stable, unchanging deficits.
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