The nurse is administering sodium polystyrene sulfonate to a client with acute kidney injury (AKI). Which laboratory finding indicates that the medication has been effective?
Serum potassium level of 3.8 mEq/L (3.8 mmol/L)
Hemoglobin level of 13.5 g/dL (135 g/L).
Serum glucose level of 120 mg/dL (6.7 mmol/L)
Serum ammonia level of 30 Mcg/dL (17.62 Mermol/L)
The Correct Answer is A
Choice A rationale
Sodium polystyrene sulfonate is a medication used to treat high levels of potassium in the blood, a condition known as hyperkalemia. Hyperkalemia is a common complication of acute kidney injury (AKI). The medication works by exchanging sodium ions for potassium ions in the intestine, which are then excreted from the body. Therefore, a decrease in serum potassium levels to within the normal range (3.5-5.0 mEq/L) would indicate that the medication has been effective.
Choice B rationale
Hemoglobin levels are not directly affected by sodium polystyrene sulfonate. Hemoglobin is a protein in red blood cells that carries oxygen. While it’s an important indicator of overall health, changes in hemoglobin levels would not indicate whether treatment for hyperkalemia is working.
Choice C rationale
Sodium polystyrene sulfonate does not directly affect glucose levels. While it’s important to monitor glucose levels in patients with kidney disease, changes in glucose would not indicate whether treatment for hyperkalemia is working.
Choice D rationale
Sodium polystyrene sulfonate does not directly affect ammonia levels. While elevated ammonia levels can occur in certain conditions, such as liver disease, changes in ammonia levels would not indicate whether treatment for hyperkalemia is working.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E"]
Explanation
Choice A rationale
Crushing and mixing ciprofloxacin hydrochloride tablets with pudding is not recommended. Ciprofloxacin is an antibiotic used to treat a variety of bacterial infections, including anthrax. It should be taken as directed by a healthcare provider, usually every 12 hours with a full glass of
water. Crushing the tablets can lead to a sudden release of the drug, causing side effects or an overdose.
Choice B rationale
Increasing fluid intake while taking the medication is advisable. Ciprofloxacin can cause crystalluria, which are crystals in the urine, in some patients. Drinking plenty of fluids while taking this medication helps to prevent the formation of these crystals.
Choice C rationale
Using nonsteroidal anti-inflammatory drugs (NSAIDs) to relieve mild joint aches and pains caused by the medication is not recommended. Ciprofloxacin can increase the effects of certain medications, including NSAIDs, leading to an increased risk of side effects such as gastrointestinal bleeding.
Choice D rationale
Reporting any tendon pain or swelling to the healthcare provider immediately is crucial. Ciprofloxacin has been associated with an increased risk of tendonitis and tendon rupture, particularly in older adults and those taking corticosteroids.
Choice E rationale
Limiting exposure to sunlight and avoiding tanning beds is important. Ciprofloxacin can make the skin more sensitive to sunlight, increasing the risk of sunburn. Patients should wear protective clothing and use sunscreen when outdoors.
Correct Answer is B
Explanation
Choice A rationale
Tetracycline should not be consumed with milk or antacids as these can bind to the medication and reduce its absorption. Therefore, this instruction would not be appropriate.
Choice B rationale
Tetracycline can make the skin more sensitive to sunlight, increasing the risk of sunburn. Therefore, patients should be advised to protect their skin from sunlight while on this medication.
Choice C rationale
While orange juice is often recommended to enhance the absorption of certain medications, it is not specifically recommended for tetracycline.
Choice D rationale
While regular monitoring of drug levels can be important for some medications, it is not typically required for tetracycline.
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