These FNP-BC practice questions target pharmacology — including ISF, TDD, Insulin Sensitivity Factor, Buspar. The complete FNP-BC deck holds 1050 flashcards, 180 of them dedicated to this topic. Study the free samples below, then unlock the whole collection for a one-time $7.
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An 82-year-old patient is prescribed Diazepam for anxiety. Which age-related pharmacokinetic change most significantly increases the risk of prolonged sedation and falls in this patient?
Show answer →Older adults experience an increase in total body fat and a decrease in total body water. Lipophilic drugs, such as Diazepam and other long-acting benzodiazepines, have an increased Volume of Distribution (Vd) in adipose tissue. This leads to a significantly prolonged half-life and gradual accumulation, increasing the risk of CNS toxicity. ANCC Strategy: Favor short-acting agents (LOT: Lorazepam, Oxazepam, Temazepam) if a benzo is absolutely necessary, as they undergo Phase II metabolism (conjugation) which is less affected by age than Phase I (oxidation).
A 70-year-old patient taking daily Nitrofurantoin for UTI prophylaxis for six months presents with a new onset of dry cough and progressive exertional dyspnea. What is the priority diagnostic concern?
Show answer →Nitrofurantoin-induced pulmonary toxicity (interstitial pneumonitis or pulmonary fibrosis). This can occur as an acute hypersensitivity reaction or a chronic fibrotic process. Management: Discontinue the drug immediately; symptoms may or may not be reversible. Exam Strategy: For any patient on long-term nitrofurantoin with respiratory symptoms, Pulmonary Fibrosis is the high-yield answer.
A patient on Simvastatin 40 mg daily is prescribed Clarithromycin for an infection. What is the primary concern regarding this drug-drug interaction?
Show answer →Clarithromycin is a potent CYP3A4 inhibitor that significantly increases serum levels of Simvastatin (and Atorvastatin/Lovastatin), dramatically increasing the risk of myopathy and rhabdomyolysis. Simvastatin should be held during the antibiotic course. Exam Tip: ANCC focuses on safety. If a CYP3A4 inhibitor is introduced, switch to a statin not metabolized by this pathway (e.g., Pravastatin or Rosuvastatin) or pause the current statin.
A patient uses the Rule of 1800 to calculate their Insulin Sensitivity Factor (ISF). If their total daily dose (TDD) of insulin is 40 units, what is their ISF, and what does it represent?
Show answer →ISF = 45 mg/dL (1800 / 40 = 45). This means 1 unit of rapid-acting insulin will drop the patient's blood glucose by approximately 45 mg/dL. This is used to calculate correction doses when pre-meal glucose is above the target range. Calculation: (Current Glucose - Target Glucose) / ISF = Correction Dose.
When initiating Buspirone (Buspar) for a patient with Generalized Anxiety Disorder, what specific education regarding the drug's onset of action and administration is essential for treatment adherence?
Show answer →Buspirone is NOT for PRN (as-needed) use. It has a delayed onset of 2 to 4 weeks for therapeutic effect. Patients accustomed to the immediate hit of Benzodiazepines may feel it is ineffective. It lacks the sedative, muscle relaxant, and anticonvulsant properties of BZDs and has no abuse potential. Education: Must be taken consistently every day. Clinical Pearl: It is often used as an adjunct to SSRIs if there is a partial response.
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Try 30 free FNP-BC cards firstThe full FNP-BC deck contains 1050 flashcards, and 180 of them focus on pharmacology. This page shows 5 free samples.
Our FNP-BC deck dedicates 180 of 1050 cards (17%) to pharmacology — always cross-check the official ANCC exam outline for the current blueprint weighting.
Yes — the samples on this page are free, and the FNP-BC preview page has 30 more free cards. Full access to all 1050 cards is a one-time $7.
Assessment
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Basics
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Diagnostics
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Management
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Pathology
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