A client with chronic obstructive pulmonary disease receives a new prescription for an ipratropium inhaler. Which action indicates to the nurse that additional teaching is needed?

Primes the inhaler with 7 pumps

Attaches spacer device to the inhaler

Stores the medication at room temperature

Rinses the mouth after each use

Answer and Explanation

The Correct Answer is A

Choice A reason: Priming an ipratropium inhaler typically requires 2 pumps, not 7, to ensure proper dosing. Excessive priming wastes medication and may reduce the inhaler’s lifespan. This action indicates misunderstanding of device preparation, necessitating further teaching to ensure effective administration and therapeutic outcomes.

Choice B reason: Attaching a spacer device enhances ipratropium delivery by improving aerosol deposition in the lungs, especially in COPD patients with poor inhalation technique. This is correct, as spacers reduce oropharyngeal deposition, minimizing side effects and maximizing bronchodilation, requiring no additional teaching.

Choice C reason: Storing ipratropium at room temperature is correct, as extreme temperatures can degrade the medication’s efficacy. This action aligns with manufacturer guidelines, ensuring the inhaler’s stability and effectiveness, indicating proper understanding and eliminating the need for further teaching on storage.

Choice D reason: Rinsing the mouth after ipratropium use is appropriate, as it reduces local side effects like dry mouth or throat irritation from residual medication. This correct action prevents complications, showing proper technique and understanding, so no additional teaching is required for this step.

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Correct Answer is B

Explanation

Choice A reason: Platelet count assesses bleeding risk but does not measure warfarin’s anticoagulant effect. Warfarin inhibits clotting factors, monitored by INR. Platelet counts are relevant for antiplatelet drugs, not anticoagulants, making INR the priority for evaluating warfarin efficacy in atrial fibrillation.

Choice B reason: INR measures warfarin’s anticoagulant effect by assessing prothrombin time, reflecting vitamin K-dependent clotting factor inhibition. In atrial fibrillation, therapeutic INR (2.0–3.0) prevents thromboembolism. Monitoring INR ensures effective anticoagulation, making it the critical lab value for warfarin therapy management.

Choice C reason: Hemoglobin level detects bleeding, a warfarin side effect, but does not assess its therapeutic effect. INR directly evaluates anticoagulation, ensuring stroke prevention in atrial fibrillation. Hemoglobin is secondary, monitored for complications, not efficacy, making INR the priority lab value.

Choice D reason: Serum potassium is unrelated to warfarin’s anticoagulant action. Electrolyte imbalances may affect cardiac rhythm in atrial fibrillation, but INR measures warfarin’s effect on clotting factors, ensuring therapeutic anticoagulation, making it the essential value to monitor for medication efficacy.

A. Serum creatinine B. Troponin levels C. Complete blood count D. Blood glucose

Correct Answer is B

Explanation

Choice A reason: Serum creatinine assesses kidney function, not cardiac injury. While relevant for overall health, it does not confirm myocardial infarction. Troponin is specific to cardiac muscle damage, making it the priority test to diagnose acute coronary events in the emergency setting.

Choice B reason: Troponin levels are the gold standard for diagnosing myocardial infarction, as they rise within hours of cardiac muscle injury due to ischemia. High specificity for heart tissue makes troponin critical for confirming acute coronary syndrome, guiding urgent treatment in the emergency department.

Choice C reason: Complete blood count evaluates anemia or infection but is nonspecific for myocardial infarction. While useful for overall assessment, it does not detect cardiac injury. Troponin directly indicates heart muscle damage, making it the priority test for confirming the diagnosis.

Choice D reason: Blood glucose may be elevated in stress or diabetes but is not diagnostic for myocardial infarction. Cardiac-specific markers like troponin are essential for confirming heart injury, as glucose levels lack specificity for acute coronary events, making them secondary.

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A client with chronic obstructive pulmonary disease receives a new prescription for an ipratropium inhaler. Which action indicates to the nurse that additional teaching is needed?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is B

Explanation

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