A nurse in a clinic is caring for a client who has a prescription for digoxin. Which of the following statements indicates the client is experiencing digoxin toxicity?

"My tongue is red and beefy."

"My vision seems blurry."

"I am gaining weight."

"I am constipated."

Answer and Explanation

The Correct Answer is B

A.   This statement suggests symptoms of vitamin B12 deficiency or glossitis, which are not typical signs of digoxin toxicity. Therefore, it is unlikely to indicate digoxin toxicity.
B.   Blurred vision is a common neurological symptom of digoxin toxicity. It occurs due to disturbances in visual acuity and color vision, which can manifest as seeing halos around lights or difficulty focusing. Therefore, this statement is indicative of potential digoxin toxicity.
C.   Weight gain can occur due to fluid retention, which is a symptom of heart failure rather than digoxin toxicity. Digoxin toxicity typically presents with neurological and gastrointestinal symptoms rather than weight gain.
D.   Constipation is not typically associated with digoxin toxicity. Gastrointestinal symptoms such as nausea, vomiting, and anorexia are more common with digoxin toxicity, but constipation is not a specific indicator.

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Correct Answer is B

Explanation

A. It is particularly sensitive to deficiencies in clotting factors, but it does not measure the deficiencies themselves
B. The activated partial thromboplastin time (aPTT) test measures the effectiveness of the intrinsic and common pathways of the coagulation cascade.
C. There is no need to skip breakfast or alter diet for an aPTT test. It is not affected by food intake or fasting status.

D. While aPTT is used to monitor heparin therapy, it is not typically used to monitor warfarin (a vitamin K antagonist) therapy. Warfarin therapy is usually monitored using the prothrombin time (PT) and international normalized ratio (INR) tests.

A. Elevated magnesium level B. Decreased calcium level C. Decreased potassium level D. Elevated sodium level

Correct Answer is C

Explanation

A. Postoperative ileus and significant drainage via an NG tube are more likely to lead to electrolyte losses rather than elevated levels. Elevated magnesium levels are less common and typically associated with conditions such as renal failure or excessive magnesium intake.
B. Calcium levels can be affected by gastrointestinal losses, including drainage via an NG tube. Significant fluid loss can lead to hemoconcentration, potentially causing a relative increase in calcium levels initially. However, prolonged fluid loss can lead to overall depletion of electrolytes, including calcium.
C. When fluids are lost through the NG tube, potassium, which is an intracellular electrolyte, can be lost in large amounts. Prolonged drainage can lead to hypokalemia (decreased potassium levels), which can result in muscle weakness, cardiac dysrhythmias, and other serious complications.
D. Elevated sodium levels (hypernatremia) are more commonly associated with dehydration or excessive sodium intake rather than drainage via an NG tube. In this scenario, sodium levels are less likely to be affected compared to potassium.

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A nurse in a clinic is caring for a client who has a prescription for digoxin. Which of the following statements indicates the client is experiencing digoxin toxicity?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

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