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?
Potassium will be removed from the body and excreted in the stool.
The heart will be protected from dysrhythmias while the serum potassium is elevated.
Potassium will temporarily shift from the blood into the cells.
Serum potassium levels will increase further due to this medication being administered.
The Correct Answer is B
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Tolvaptan does not increase the glomerular filtration rate. It actually works by blocking the action of a hormone that causes the kidneys to retain water, leading to increased urine output.
B. While Tolvaptan can slow the progression of polycystic kidney disease (PKD) and delay the need for dialysis or transplant, it does not guarantee prevention of these outcomes.
C. Tolvaptan is used to slow the growth of kidney cysts in patients with PKD.
D. Hyponatremia is a common side effect of Tolvaptan due to increased water loss through urine. However, this is not the primary role.
Correct Answer is C
Explanation
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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