You are getting handoff report from the previous RN and he tells you that your patient has Acute Kidney Injury and is oliguric. What does this tell you about the patient?

A. Increase hydrogen ions in blood is incorrect because metabolic acidosis (accumulation of hydrogen ions) can occur in CKD but does not directly cause anemia. It contributes more to bone demineralization and other metabolic disturbances rather than affecting red blood cell production.

B. Decreased erythropoietin production is correct because the kidneys produce erythropoietin, a hormone that stimulates the bone marrow to produce red blood cells. In CKD, damaged kidneys cannot produce sufficient erythropoietin, leading to decreased red blood cell production and anemia. This is the most common cause of anemia in CKD and often requires treatment with recombinant erythropoietin or iron supplementation.

C. Change in white blood cell function is incorrect because alterations in white blood cells may occur with CKD-related immune dysfunction, but they do not cause anemia. Anemia is specifically related to red blood cell production and lifespan.

D. Hyperinsulinemia is incorrect because elevated insulin levels are not directly linked to anemia in CKD. Insulin abnormalities are more commonly associated with metabolic syndrome or diabetes, which may coexist with CKD but are not primary causes of anemia in this condition.

A. Induce diuresis is incorrect because while hypertonic saline can have some osmotic effects, its primary purpose in the context of IICP is not to produce urine output. Diuretics like mannitol are more commonly used for osmotic diuresis.

B. Correct hyponatremia is incorrect because although hypertonic saline will raise sodium levels, the main goal in a patient with IICP is not just correcting hyponatremia. Sodium correction is secondary to its effect on reducing brain swelling. Rapid correction of sodium carries its own risks, such as central pontine myelinolysis, so careful monitoring is required.

C. Reduce cerebral edema is correct because 3% hypertonic saline creates an osmotic gradientthat draws water out of swollen brain tissue into the intravascular space. This decreases cerebral edema, lowers intracranial pressure, and helps prevent further neurologic deterioration. This is the primary goal of hypertonic saline in patients with increased ICP.

D. Increase blood pressure is incorrect because while hypertonic saline can increase intravascular volume slightly, its main therapeutic effect is on reducing brain swelling, not directly managing systemic blood pressure.