The nurse is assessing a client taking prescribed digoxin (Lanoxin) for heart failure, and the client reports visual disturbances.
Which of the following actions should the nurse take?
Refer the client to see an optometrist.
Ask if the client wears glasses or contact lenses.
Obtain a prescription for stat laboratory tests.
Obtain the client's blood pressure.
The Correct Answer is C
Choice A rationale
Referring the client to see an optometrist is inappropriate because visual disturbances can be a sign of digoxin toxicity, which requires immediate medical attention rather than routine visual examination. Toxicity manifests due to elevated serum digoxin levels, with symptoms including blurred vision and yellow-green halos. Normal digoxin range is 0.5-2.0 ng/mL.
Choice B rationale
Asking if the client wears glasses or contact lenses does not address the root cause of visual disturbances, which is likely linked to digoxin toxicity. Such queries delay prompt medical intervention needed to evaluate and manage the client’s condition. Ocular aids are unrelated to pharmacological adverse effects.
Choice C rationale
Obtaining a prescription for stat laboratory tests is essential for assessing serum digoxin levels and electrolytes, particularly potassium, as hypokalemia increases sensitivity to digoxin toxicity. Prompt identification of toxicity allows timely interventions, including discontinuation of digoxin or administration of antidotes like Digibind.
Choice D rationale
Obtaining the client’s blood pressure is irrelevant in this scenario, as visual disturbances are not indicative of blood pressure abnormalities but rather digoxin toxicity. Immediate focus should be on confirming and managing toxicity through laboratory evaluation and clinical assessment.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Stones lodged in the ureter cause severe, colicky pain due to intense peristaltic waves attempting to dislodge the obstruction. The pain often radiates down the thigh and groin as the ureter's path follows these areas. Additionally, urinary retention or frequent urges with minimal voiding occurs due to irritation and partial blockage, confirming ureteral stone involvement.
Choice B rationale
While some stones may pass spontaneously, timing varies widely depending on size, location, and hydration levels. Pain and obstruction may persist longer than a few hours, making this statement misleading without further assessment.
Choice C rationale
Bladder stones may cause lower abdominal pain, frequency, and hematuria but do not typically involve radiating pain to the groin or thigh. The described symptoms strongly suggest ureteral obstruction rather than bladder involvement.
Choice D rationale
While procedural removal is an option for large or immovable stones, initial approaches often include pain control, hydration, and medical expulsive therapy. Surgical intervention is not the first-line explanation unless conservative management fails.
Correct Answer is D
Explanation
Choice A rationale
Hypotension is not a typical sign of fluid overload. Fluid overload often presents with hypertension due to increased circulatory volume. Monitoring blood pressure is essential, but hypotension does not reliably indicate fluid overload. This option does not align with scientific understanding of fluid overload symptoms.
Choice B rationale
Distention above the pubis area suggests urinary retention or bladder distension rather than fluid overload. While important to assess, it does not directly indicate fluid overload. This symptom is more related to mechanical issues than systemic fluid imbalance and volume overload.
Choice C rationale
Hypernatremia is not a sign of fluid overload. Fluid overload typically results in dilutional hyponatremia, where excessive fluids lower sodium levels. Monitoring sodium levels is useful, but hypernatremia would suggest dehydration or other conditions, not excess fluid volume. This choice is inconsistent with scientific knowledge.
Choice D rationale
Maintaining strict intake and output records is a fundamental approach to monitoring fluid balance. Accurate measurements of fluid intake and output help detect fluid overload early. This method directly correlates with assessing excess fluid volume in clinical practice. It is a reliable, evidence-based intervention for monitoring fluid status. .
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