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 D

Explanation

A. Hypophosphatemia refers to low levels of phosphate in the blood. In prerenal AKI, phosphate levels are typically normal or even elevated due to reduced kidney function and impaired phosphate excretion. Therefore, hypophosphatemia is not expected in prerenal AKI.
B. Hypernatremia refers to high levels of sodium in the blood. In prerenal AKI, sodium levels can be elevated due to reduced kidney function and impaired ability to excrete sodium. This occurs because the kidneys play a crucial role in regulating sodium balance. Therefore, hypernatremia is a possible electrolyte imbalance in prerenal AKI.
C. Hypercalcemia refers to high levels of calcium in the blood. In prerenal AKI, calcium levels are usually normal or decreased due to various factors, including reduced renal excretion of calcium. Therefore, hypercalcemia is not typically seen in prerenal AKI.
D. Hyperkalemia refers to high levels of potassium in the blood. In prerenal AKI, hyperkalemia is a common electrolyte imbalance. Normally, the kidneys play a critical role in potassium excretion. Reduced kidney function in prerenal AKI can lead to impaired potassium excretion, resulting in elevated potassium levels in the blood.

A. Respiratory alkalosis B. Metabolic acidosis C. Metabolic alkalosis D. Respiratory acidosis

Correct Answer is D

Explanation

A. Respiratory alkalosis is characterized by a high pH (alkaline) and a low PaCO2 (<35 mm Hg). The ABG results provided show a pH of 7.3 (which is acidic) and a PaCO2 of 50 mm Hg (which is elevated). Therefore, these results do not indicate respiratory alkalosis.
B. Metabolic acidosis is characterized by a low pH (<7.35) and a decreased bicarbonate (HCO3-). The ABG results show a pH of 7.3 (acidic), which aligns with metabolic acidosis. However, the PaCO2 of 50 mm Hg is elevated, which typically indicates respiratory compensation for the metabolic acidosis.
C. Metabolic alkalosis is characterized by a high pH and an elevated bicarbonate (HCO3-). The ABG results show a pH of 7.3 (acidic), which does not suggest metabolic alkalosis.
D. Respiratory acidosis is characterized by a low pH and an elevated PaCO2 (>45 mm Hg). The ABG results provided show a pH of 7.3 (acidic) and a PaCO2 of 50 mm Hg (elevated). These findings are consistent with respiratory acidosis, where the elevated PaCO2 indicates retention of carbon dioxide, leading to acidosis.

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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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