Free ANCC PMHNP-BC Exam Flashcards

Pharmacokinetics describes what the body does to a drug through absorption, distribution, metabolism, and elimination. Pharmacodynamics describes what the drug does to the body, including receptor effects and the relationship between concentration and response.

Half-life influences how quickly a drug accumulates toward a stable concentration and how slowly it clears after a dose change or discontinuation. A long half-life can delay both the full effect of a change and resolution of concentration-related effects.

Inhibition can slow metabolism and raise substrate exposure; induction can accelerate metabolism and lower exposure. The clinical consequence depends on the specific enzyme, drug, active metabolites, timing, and patient factors, so the current interaction source should be checked.

Reduced renal clearance can increase drug exposure and prolong elimination. Interpretation should integrate the agent's prescribing information, measured renal function, age, hydration, interacting drugs, and the clinical response rather than relying on age alone.

Reducing excessive dopamine signaling in the mesolimbic pathway is associated with improvement in positive symptoms such as hallucinations and delusions. This pathway model is useful, but it does not fully explain psychosis or individual treatment response.

The nigrostriatal pathway helps regulate movement. D2 blockade there can produce extrapyramidal effects such as dystonia, akathisia, and parkinsonism; longer exposure may also be associated with tardive dyskinesia.

Dopamine normally inhibits prolactin release in this pathway. Blocking D2 signaling removes that inhibition, so prolactin can rise and produce endocrine, reproductive, or sexual effects.

A rapid-onset combination of mental-status change, autonomic activation, and neuromuscular hyperactivity—especially clonus, hyperreflexia, tremor, or myoclonus—after serotonergic exposure is concerning. It is a potentially life-threatening syndrome requiring urgent clinical evaluation.

Severe generalized rigidity, hyperthermia, altered mental status, and autonomic instability after dopamine-antagonist exposure or abrupt reduction of a dopaminergic drug are concerning; creatine kinase is often elevated. This is a medical emergency requiring urgent evaluation.

Lithium is handled by the kidneys in relation to sodium and water balance. Volume or sodium depletion can increase renal lithium reabsorption and raise concentrations; reduced renal function and interacting drugs can further increase risk.

It can add information about selected metabolism pathways or labeled gene–drug relationships. It does not by itself diagnose a disorder, guarantee response, or replace medication history, interactions, organ function, patient preferences, and ongoing clinical assessment.

Start with an open invitation so the patient can identify priorities, then use focused questions to clarify onset, duration, severity, context, impairment, safety, substance exposure, medical contributors, and the patient's goals.

Appearance and behavior, level of consciousness, speech, mood and affect, thought process and content, perception, cognition, insight, judgment, and relevant impulse control and safety findings. Document what is observed and what the patient reports.

Mood is the patient's sustained internal emotional state, usually described in the patient's own words. Affect is the clinician's observation of emotional expression, including range, intensity, stability, and congruence with content.

Thought process is how ideas are organized and connected, such as linear, tangential, or disorganized. Thought content is what the person is thinking about, such as delusions, obsessions, guilt, or suicidal or homicidal ideas.

A hallucination is a perception-like experience without a corresponding external stimulus. A delusion is a fixed false belief not better explained by the person's cultural or religious context.

A screen identifies elevated likelihood or need for further assessment. Diagnosis requires a clinical evaluation of criteria, duration, impairment, differential diagnoses, medical and substance contributors, context, and collateral information when appropriate.

A trained clinician should perform a suicide safety assessment to determine acuity and the appropriate next evaluation or disposition. A positive screen is a signal to assess further, not a diagnosis or an automatic one-size-fits-all disposition.

Clarify current and recent thoughts, frequency, intent, plan, access to means, past attempts or rehearsals, acute stressors, substance use, agitation or psychosis, treatment engagement, supports, reasons for living, and the person's ability to collaborate on safety.

Maintain safety while arranging an urgent full mental-health evaluation: keep the person under appropriate observation, reduce access to dangerous objects when feasible, and alert the responsible clinical team. The exact disposition follows the risk assessment and applicable law and policy.

Supports, reasons for living, coping skills, and treatment engagement can reduce risk, but they do not mathematically offset current intent, a feasible plan, access to means, or recent suicidal behavior. Risk formulation integrates all findings and current clinical judgment.

Assess sleep loss, psychosis, agitation, impulsive spending or sexual behavior, substance use, driving or occupational risk, aggression, self-care, suicidality, access to means, supports, and the degree to which judgment and functioning are impaired.

CIWA-Ar structures assessment of alcohol-withdrawal severity. COWS structures assessment of opioid-withdrawal signs and symptoms. Neither scale replaces vital signs, history, differential diagnosis, or clinical assessment of complications.

Open questions, affirmations, reflective listening, and summaries. These skills draw out the person's own reasons for change and reduce argument rather than directing the clinician to persuade or confront.

Ask the patient to explain the plan or warning signs in their own words, then clarify and reteach as needed. Teach-back checks how clearly the clinician communicated; it is not a test of the patient's intelligence or compliance.

Assess whether symptoms are better explained by a substance, medication, withdrawal state, neurologic or medical condition, sleep disorder, or delirium. The timeline between exposure or illness and symptom onset is especially informative.

Delirium has an acute or subacute onset with fluctuating attention and awareness, often from an underlying medical or substance-related cause. A chronic neurocognitive disorder generally develops more gradually and should not explain a sudden fluctuating change.

Bipolar I requires at least one manic episode. Bipolar II requires both hypomanic and major depressive episodes and no history of a manic episode; a full manic episode changes the diagnosis to bipolar I.

People may seek care only during depression and may not recognize elevated periods as symptoms. Asking about decreased need for sleep, increased energy or activity, unusual confidence, pressured speech, impulsivity, duration, and impairment helps detect a bipolar course.

PTSD requires trauma-related intrusion, avoidance, negative cognition or mood, and arousal or reactivity symptoms lasting more than one month with meaningful impairment, and not better explained by a substance, medication, or illness.

ADHD requires a persistent developmentally inappropriate pattern with several symptoms present before age 12, symptoms in at least two settings, and clear interference with functioning or development. Sleep, anxiety, mood, substance, learning, and medical explanations also require evaluation.

A panic attack is an abrupt surge of intense fear or discomfort that can occur in several disorders or situations. Panic disorder requires recurrent unexpected attacks plus at least 1 month of persistent concern about additional attacks or their consequences, maladaptive behavior related to the attacks, or both, after relevant alternatives are considered.

Obsessions are recurrent intrusive thoughts, urges, or images that cause distress. Compulsions are repetitive behaviors or mental acts performed in response to an obsession or rigid rule, usually to reduce distress or prevent a feared event.

Track therapeutic response and functioning alongside weight or BMI, blood pressure, glucose status, lipids, movement abnormalities, sedation, and agent-specific risks. Baseline findings and trends make changes more interpretable than isolated measurements.

Both depress the central nervous system. Combined exposure can produce profound sedation, slowed or difficult breathing, coma, and death, so the FDA requires prominent warnings and careful clinical risk management.

Abrupt discontinuation or rapid dose reduction can precipitate severe and sometimes life-threatening withdrawal. FDA guidance calls for a gradual, individualized taper because no single taper schedule is suitable for every patient.

CBT examines links among thoughts, emotions, and behaviors, then uses structured practice to test unhelpful interpretations and build more adaptive behavior. The formulation and exercises are matched to the problem and the person's goals.

Mindfulness, distress tolerance, emotion regulation, and interpersonal effectiveness. DBT balances validation and acceptance with strategies for behavioral change.

It frames readiness as movement through precontemplation, contemplation, preparation, action, and maintenance, with recurrence possible. The clinician matches the intervention to readiness rather than treating ambivalence as defiance.

It examines interaction patterns, roles, boundaries, alliances, developmental transitions, and feedback loops that may maintain or respond to symptoms. It does not assign one family member as the sole cause of the problem.

Notice and invite discussion of the strain, listen without defensiveness, clarify misunderstandings and goals, accept appropriate responsibility, and collaboratively adjust the work while maintaining professional boundaries.

Autonomy respects informed choices; beneficence promotes welfare; nonmaleficence avoids or minimizes harm; and justice concerns fair treatment and distribution of benefits and burdens. Ethical analysis may require balancing principles rather than applying one in isolation.

It is a voluntary process in which a person with decision-making capacity receives understandable information about the proposed intervention, material risks and benefits, reasonable alternatives, and the option to refuse, then has an opportunity to ask questions.

Capacity is a clinical, decision-specific assessment that can change over time; it examines understanding, appreciation, reasoning, and ability to communicate a choice. Competence is a legal status determined by a court under applicable law.

A covered entity may disclose protected information in good faith when disclosure is necessary to prevent or lessen a serious and imminent threat and is made to someone reasonably able to reduce that threat, consistent with applicable law and ethical standards.

Duties, permissions, thresholds, and required actions vary by jurisdiction and circumstances. The PMHNP must apply current state law, federal privacy rules, professional standards, and organizational policy to the specific threat assessment.

Choose the safest effective intervention that limits liberty no more than necessary, reassess the need for restrictions, and step down when clinically and legally appropriate. Emergency risk does not remove the duty to protect rights and dignity.

Determine who may legally consent under current state law and the clinical circumstances, seek the minor's developmentally appropriate assent when possible, explain confidentiality and its limits, and recognize that emergency and self-consent exceptions vary by jurisdiction.

Explore the person's language, identity, explanatory model, cultural norms, migration and social context, supports, discrimination, and barriers to care. Use a qualified interpreter when needed and avoid labeling culturally congruent beliefs or behavior as pathology without context.

Ask whether the action primarily serves the patient's therapeutic needs, preserves objectivity and role clarity, avoids exploitation or secrecy, and could be ethically documented and discussed in supervision. Repeated crossings can become a harmful boundary violation.