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A nurse is monitoring an older adult female client who had a myocardial infarction (MI) for the development of an acute kidney injury (AKI). Which of the following findings should the nurse identify as indicating an increased risk of AKI?

A.

Magnesium 2.5 mEq/L

B.

Serum osmolality 290 mOsm/kg H2O

C.

Blood urea nitrogen (BUN) 20 mg/dL

D.

Serum creatinine 1.8 mg/dL

Answer and Explanation

The Correct Answer is D

Choice A Reason: This is incorrect because magnesium 2.5 mEq/L is a normal value and does not indicate an increased risk of AKI. Magnesium is an electrolyte that plays a role in muscle and nerve function, blood pressure regulation, and energy production. The normal range for magnesium is 1.5 to 2.5 mEq/L.

Choice B Reason: This is incorrect because serum osmolality 290 mOsm/kg H2O is a normal value and does not indicate an increased risk of AKI. Serum osmolality is a measure of the concentration of solutes in the blood, such as sodium, glucose, and urea. The normal range for serum osmolality is 275 to 295 mOsm/kg H2O.

Choice C Reason: This is incorrect because blood urea nitrogen (BUN) 20 mg/dL is a normal value and does not indicate an increased risk of AKI. BUN is a measure of the amount of urea, a waste product of protein metabolism, in the blood. The normal range for BUN is 7 to 20 mg/dL.

Choice D Reason: This is correct because serum creatinine 1.8 mg/dL is an elevated value and indicates an increased risk of AKI. Creatinine is a waste product of muscle metabolism that is filtered by the kidneys. The normal range for serum creatinine is 0.6 to 1.2 mg/dL for women and 0.7 to 1.3 mg/dL for men. An increase in serum creatinine indicates a decrease in kidney function and glomerular filtration rate (GFR).


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Related Questions

Correct Answer is A

Explanation

Choice A Reason: Packed RBCs are indicated for clients who have hypovolemic shock due to blood loss, as they increase the oxygen-carrying capacity of the blood and restore the blood volume.

Choice B Reason: Cryoprecipitates are indicated for clients who have hemophilia or von Willebrand disease, as they contain clotting factors that help stop bleeding.

Choice C Reason: Albumin is indicated for clients who have hypovolemic shock due to fluid loss, such as from burns or ascites, as it increases the plasma oncotic pressure and draws fluid into the vascular space.

Choice D Reason: Platelets are indicated for clients who have thrombocytopenia or platelet dysfunction, as they help prevent or control bleeding.

Correct Answer is ["24"]

Explanation

  • To find the concentration of heparin in the solution, divide the amount of heparin by the volume of D5W: 25,000 units / 500 mL = 50 units/mL
  • To find the infusion rate, divide the prescribed dose by the concentration: 1,200 units/hr / 50 units/mL = 24 mL/hr
  • Round the answer to the nearest tenth/whole number: 24 mL/hr

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