A critically ill patient is being evaluated for acute kidney injury
The nurse expects that which laboratory tests will be prescribed for this patient? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Select all that apply. 1. Urinalysis
2. Blood-urea-nitrogen level
3. Serum creatinine
4. Arterial blood gases
5. Hemoglobin and hematocrit levels
1,2,3
Rationale 1: This laboratory test will be used to differentiate prerenal failure from intrinsic renal failure.
Rationale 2: This blood test measures the amount of urea that is being filtered out of the blood by the kidneys.
Rationale 3: This blood test assesses kidney function and is more accurate than the blood-urea-nitrogen level.
Rationale 4: This blood test is not specific for renal function.
Rationale 5: These levels are not specific for renal function.
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