Which medication is most appropriate for treating hyperkalemia?
Mannitol
Calcium Carbonate
Glucose & Insulin
Metoprolol
The Correct Answer is C
(A) Mannitol: Osmotic diuretic, does not significantly lower potassium.
(B) Calcium Carbonate: Used for hypocalcemia, not hyperkalemia.
(C) Glucose & Insulin: Insulin drives potassium into cells, reducing serum potassium levels. Glucose is given to prevent hypoglycemia.
(D) Metoprolol: Beta-blocker, does not directly lower potassium.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
(A) Erythropoietin Injection: CKD patients often develop anemia due to reduced erythropoietin production by the kidneys. Administering synthetic erythropoietin stimulates red blood cell production.
(B) Packed Red Blood Cells Transfusion: Reserved for severe anemia (Hgb < 7 g/dL) or symptomatic cases, not mild anemia.
(C) Intravenous Iron Infusion: Used if iron deficiency is present, but erythropoietin deficiency is the main issue in CKD anemia.
(D) Platelet Transfusion: Platelets are used for bleeding disorders, not anemia.
(E) Bone Marrow Transplant: Not a treatment for CKD-related anemia, which is not caused by bone marrow failure.
Correct Answer is A
Explanation
(A) Hyponatremia: SIADH leads to excess ADH secretion, causing water retention, dilution of sodium levels, and hyponatremia.
(B) Hypokalemia: SIADH does not primarily affect potassium.
(C) Hypernatremia: Excess ADH dilutes sodium, leading to low sodium levels, not high.
(D) Hyperkalemia: SIADH primarily causes hyponatremia, not potassium imbalances.
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