A nurse is reviewing laboratory findings for four clients. Which of the following clients has manifestations of untreated chronic kidney disease?

Potassium 3.3 mEq/L. hemoglobin 14.1 g/dL, creatinine 0.8 mg/dL

BUN 5 mg/dL, potassium 4.8 mEq/L, creatinine 0.9 mg/dL

Potassium 5.4 mEq/L. hemoglobin 9.8 g/dL, creatinine 4.6 mg/dl.

Potassium 4.5 mEq/L, BUN 18 mg/dL, creatinine 1.1 mg/dL

Answer and Explanation

The Correct Answer is C

A.   These values are within normal ranges.
B.   BUN is low, but potassium and creatinine are within normal ranges.
C.   Elevated potassium (hyperkalemia), low hemoglobin (anemia), and elevated creatinine are all classic signs of chronic kidney disease.
D.   BUN and creatinine are slightly elevated, but not to a level indicative of chronic kidney disease. Potassium is within normal range.

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Correct Answer is B

Explanation

A. Calcium gluconate does not directly affect the elimination of potassium from the body or its excretion in the stool. It does not act on the kidneys or gastrointestinal tract to remove potassium. Its primary role is to stabilize the cardiac membrane.
B. Calcium gluconate stabilizes the cardiac membrane and reduces the risk of dysrhythmias associated with elevated serum potassium levels. Hyperkalemia can increase the risk of cardiac arrhythmias, and calcium gluconate helps to counteract these effects by protecting the heart muscle.
C. Calcium gluconate does not cause potassium to shift from the blood into the cells. The shift of potassium into cells is typically induced by other treatments such as insulin and glucose or beta- agonists. Calcium gluconate does not have this effect.
D. Calcium gluconate does not increase serum potassium levels. It primarily serves to protect the heart from the effects of high potassium levels. It does not have a direct effect on the potassium level itself but helps manage the consequences of hyperkalemia.

A. Insulin and sodium bicarbonate B. Calcium gluconate C. atiromer (Veltassa) D. Lisinopril

Correct Answer is C

Explanation

A. It helps to temporarily lower serum potassium levels by driving potassium into the cells. This effect is usually short-lived and is often used in emergency situations to quickly manage hyperkalemia.
B. Calcium Gluconate is used to stabilize the cardiac membrane in the setting of hyperkalemia, especially if there are ECG changes or symptoms of hyperkalemia. It does not lower the serum potassium level but helps protect the heart from the potential arrhythmias caused by elevated potassium levels.
C. Patiromer (Veltassa) is a potassium binder that helps to remove excess potassium from the body through the gastrointestinal tract. It binds potassium in the gut and facilitates its excretion in the stool.
D. Lisinopril is an ACE inhibitor used to treat hypertension and heart failure. It can actually increase potassium levels by decreasing the excretion of potassium through the kidneys.

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A nurse is reviewing laboratory findings for four clients. Which of the following clients has manifestations of untreated chronic kidney disease?

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Naxlex Comprehensive Predictor Exams

A client with acute kidney injury (AKI) has a serum potassium level of 6.5 mEq/L. The nurse recognizes that administering IV calcium gluconate to this client will result in which of the following effects?

Correct Answer is B

Explanation

A client with chronic kidney disease (CKD) has a serum potassium level of 6.5 mEq/L. Which of the following medications removes excess potassium from the body?

Correct Answer is C

Explanation

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