The nurse is monitoring a patient with postrenal acute kidney injury (AKI). Which conditions can lead to this type of AKI? (Select all that apply)
Benign prostatic hyperplasia (BPH)
Acute tubular necrosis
Renal calculi
Ureteral stricture
Bladder tumor
Correct Answer : A,C,D,E
(A) Benign Prostatic Hyperplasia (BPH): Enlarged prostate can obstruct urine flow, leading to postrenal AKI.
(B) Acute Tubular Necrosis: This is an intrarenal cause of AKI, resulting from direct kidney injury, not obstruction.
(C) Renal Calculi: Kidney stones blocking the ureter prevent urine excretion, causing back pressure on the kidneys.
(D) Ureteral Stricture: Narrowing of the ureter restricts urine outflow, leading to postrenal AKI.
(E) Bladder Tumor: A tumor in the bladder can obstruct urine passage, leading to kidney damage.
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Related Questions
Correct Answer is C
Explanation
(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.
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.
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