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FNP: Heart Failure

Heart failure management spans primary and specialty care and is a high-yield FNP topic. These questions cover recognition, guideline-directed therapy, monitoring, and education — each with a full rationale.

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  • 💡 Key Takeaways — the one transferable rule per question
  • 🔍 Hint highlights — the decisive cue phrases in each stem
  • 📖 Full rationales — why every option is right or wrong

Every FNP question is written to the current exam outline for quick learning and a clear pass strategy.

Written and reviewed by the LexPort exam-prep team, led by our Founder & Exam-Prep Lead. LexPort builds certification practice questions — this is exam-preparation material, not medical advice. Last reviewed August 2026.

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Test yourself: FNP: Heart Failure

Three FNP practice questions on fnp: heart failure — tap an answer for instant feedback. The app has 3,000+, timed and scored.

Question 1

93 of 150. An 80-year-old male with baseline heart failure edema presents with unilateral right leg erythema that is exquisitely tender, warm, and weeping fluid. He denies recent travel or surgery.

Why B is the answer

Older adults with baseline edema from heart failure are at a significantly increased risk for acute bacterial skin cellulitis. When a patient develops unilateral intense warmth, exquisite tenderness, and weeping fluid, it strongly suggests an acute infection superimposed on chronic edema. An acute deep vein thrombosis certainly causes unilateral swelling, but it rarely produces the intense warmth or weeping fluid seen in this scenario. A chronic venous insufficiency flare can cause weeping, but it is typically a bilateral process and lacks the acute, exquisite tenderness described. Superficial venous thrombophlebitis presents as a firm, tender cord along a superficial vein rather than generalized weeping erythema. The unilateral inflammatory signs point directly to cellulitis.

🔑 Key takeaway

Unilateral intense warmth and tenderness in a patient with baseline edema strongly suggest superimposed bacterial cellulitis.

Question 2

136 of 150. The caregiver of an eighty-five-year-old with advanced heart failure asks when they should notify the clinic regarding the patient's daily weights. The patient's weight fluctuates daily by one to two pounds. What is the best instruction?

Why A is the answer

Standard heart failure self-management guidelines dictate that a weight gain of 2 to 3 pounds in a single day, or five pounds in a week, is a sensitive indicator of acute fluid retention requiring clinical intervention. A one-pound daily fluctuation is normal and does not warrant a clinic call. Mild dependent ankle swelling by evening is a common chronic finding and is less reliable for acute changes than daily morning weights. Unchanged daily weights indicate stability and successful fluid management.

🔑 Key takeaway

Heart failure patients should report a weight gain of two to three pounds in twenty-four hours.

Question 3

17 of 150. A 68-year-old male with chronic heart failure experiences recurrent mild fluid overload despite strict adherence to his daily bumetanide. He frequently eats canned soups and frozen meals due to limited mobility. Which management strategy is the most appropriate next step?

Why D is the answer

Educating the patient on sodium restriction addresses the root cause of his recurrent volume overload, which is a fundamental tertiary prevention intervention. His reliance on highly processed foods introduces excessive sodium that negates the diuretic's efficacy. Option D directly tackles this lifestyle factor. Option A prematurely increases medication without addressing the underlying dietary non-adherence. Option B is too aggressive for mild overload and skips basic dietary optimization. Option C does not resolve the fluid overload or address the excessive dietary sodium intake.

🔑 Key takeaway

Dietary sodium restriction is essential to prevent volume overload and optimize diuretic efficacy.

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Question 1

94 of 150. A 72-year-old patient with postherpetic neuralgia and NYHA Class III heart failure was started on pregabalin 75 mg twice daily two weeks ago. The patient now presents with increased shortness of breath and 2+ pitting edema in both lower extremities. What is the most appropriate intervention?

  • A) Discontinue the pregabalin immediately to prevent sudden fluid retention.
  • B) Increase the daily furosemide dose and maintain the pregabalin.
  • C) Taper the pregabalin gradually while monitoring fluid status closely.
  • D) Switch the pregabalin to gabapentin to resolve the swelling.

💡 Key Takeaway

Gabapentinoids can cause fluid retention exacerbating heart failure but must be tapered gradually to prevent withdrawal.

Show rationale

Pregabalin and gabapentin can cause peripheral edema, which is particularly dangerous for patients with underlying heart failure. Because this patient is experiencing an acute exacerbation of heart failure symptoms, the medication must be stopped. However, gabapentinoids must be tapered gradually over at least one week to prevent withdrawal symptoms like agitation, anxiety, and seizures. Option A is incorrect because abrupt discontinuation risks precipitating withdrawal seizures. Option B is incorrect because treating an adverse drug effect with another medication while continuing the offending agent is inappropriate, especially in decompensated heart failure. Option D is incorrect because gabapentin shares the exact same risk for causing peripheral edema and would not resolve the patient's swelling.

Question 2

103 of 150. A 68-year-old male with heart failure with reduced ejection fraction presents with an acute, severely painful flare of osteoarthritis isolated to his left knee. He cannot bear weight.

  • A) Prescribe a short course of oral dexamethasone.
  • B) Recommend scheduled oral naproxen for one week.
  • C) Perform an intra-articular corticosteroid knee joint injection.
  • D) Initiate daily oral colchicine for flare management.

💡 Key Takeaway

Intra-articular corticosteroid injections provide rapid relief for acute, localized osteoarthritis flares while avoiding systemic risks.

Show rationale

The patient has an acute, severely painful flare isolated to a single joint, complicated by heart failure with reduced ejection fraction. Performing an intra-articular corticosteroid knee joint injection delivers rapid, potent localized relief while minimizing systemic absorption. Recommending scheduled oral naproxen is strictly contraindicated because NSAIDs cause sodium and water retention, which can easily exacerbate his heart failure. Prescribing a short course of oral dexamethasone exposes him to unnecessary systemic glucocorticoid effects when targeted local therapy is available. Initiating daily oral colchicine is indicated for acute gout flares, not for osteoarthritis exacerbations.

Question 3

13 of 150. A patient with end-stage heart failure is currently enrolled in home hospice. During a routine visit, the patient's spouse reports severe physical and emotional exhaustion from providing round-the-clock care and expresses fear of being unable to continue. Which intervention should the nurse practitioner initiate?

  • A) Revoke hospice status for permanent nursing facility placement.
  • B) Arrange for temporary inpatient hospice facility respite care.
  • C) Prescribe a daily antianxiety medication for the spouse.
  • D) Discontinue hospice and resume standard home health services.

💡 Key Takeaway

Medicare hospice benefits include temporary respite care to relieve severe caregiver strain and prevent burnout.

Show rationale

Caregiver exhaustion is a common and critical issue in home hospice. The Medicare hospice benefit specifically includes respite care, which allows the patient to be temporarily admitted to an inpatient facility for up to five days to provide relief and prevent caregiver burnout. Option A is incorrect because nursing facility placement does not require revoking hospice; hospice can be provided in a facility, but temporary respite should be tried first. Option C inappropriately medicalizes the spouse's situational exhaustion without addressing the root cause of the physical burden. Option D is incorrect because discontinuing hospice would remove the essential end-of-life support the patient currently requires.

Question 4

32 of 150. An older adult with NYHA Class III heart failure presents with worsening dyspnea and fatigue. The patient expresses a strong desire to focus on comfort but explicitly desires continued milrinone infusions to maintain their current quality of life. Which action should the nurse practitioner take?

  • A) Refer the patient to home hospice services.
  • B) Consult palliative care for symptom management support.
  • C) Stop milrinone to meet hospice admission criteria.
  • D) Admit to skilled nursing for physical rehabilitation.

💡 Key Takeaway

Palliative care can be provided concurrently with life-prolonging treatments to manage symptom burden.

Show rationale

This patient is experiencing a high symptom burden but still wants to continue life-prolonging therapies like milrinone. Palliative care is the best choice because it focuses on symptom management and quality of life while allowing the patient to receive concurrent life-prolonging therapies. Option A is incorrect because hospice requires the patient to forgo curative or life-prolonging treatments for their terminal diagnosis. Option C is inappropriate because the patient's goals of care explicitly include continuing the infusion, and forcing discontinuation violates patient autonomy. Option D ignores the primary need for specialized symptom management and goals of care alignment.

Question 5

71 of 150. A 74-year-old female with atrial fibrillation and heart failure with reduced ejection fraction (LVEF 30%) complains of continuous palpitations. Her resting Heart rate is 118 bpm. She currently takes apixaban and lisinopril but no rate-controlling medications. Which medication should the nurse practitioner prescribe?

  • A) Initiate oral verapamil therapy immediately.
  • B) Initiate oral diltiazem therapy immediately.
  • C) Initiate oral amlodipine besylate therapy.
  • D) Initiate oral metoprolol succinate therapy.

💡 Key Takeaway

Beta-blockers are the preferred rate control agents for atrial fibrillation in patients with reduced ejection fraction.

Show rationale

In patients with atrial fibrillation and heart failure with reduced ejection fraction, beta-blockers like metoprolol succinate are the preferred agents for rate control because they provide significant mortality benefits. Non-dihydropyridine calcium channel blockers, such as verapamil and diltiazem, are strictly contraindicated in this population due to their negative inotropic effects, which can significantly worsen heart failure symptoms. Amlodipine is a dihydropyridine calcium channel blocker; while it is safe to use in heart failure, it does not provide atrioventricular nodal blockade and therefore will not control her elevated heart rate.

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FNP · Exam Simulator

94 of 150. A 72-year-old patient with postherpetic neuralgia and NYHA Class III heart failure was started on p…

A) Discontinue the pregabalin immediately t
B) Increase the daily furosemide dose and m
C) Taper the pregabalin gradually while mon
D) Switch the pregabalin to gabapentin to r
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