Question 1
The nurse believes a patient is experiencing prerenal dysfunction and not intrinsic renal failure because of which laboratory finding?
◦ Urine osmolality of 550 mOsm/L
◦ Urine osmolality of 200 mOsm/L
◦ Presence of granular casts and sediment
◦ Urine sodium greater than 40 mmol/L
Question 2
A patient is experiencing prerenal failure secondary to hypovolemia. The nurse reviewing the patient's laboratory work and vascular pressures should expect to see which results? Select all that apply.
Note: Credit will be given only if all correct choices and no incorrect choices are selected.◦ Creatinine clearance of 50 mL/min/1.73m
2◦ BUN of 65 mg/dL
◦ Urine with granular casts and sediment
◦ Low CVP or PAWP pressures
◦ Serum creatinine of 3 mg/dL