Question

The nurse determines that a patient with urine output of less than 400 ml/24 hrs has pre-renal oliguria when:

A. Replacing the fluid deficit with IV fluids causes adequate urine output.
B. The patient reports feeling thirsty.
C. The patient's heart rate increases.
D. The patient refuses further fluid intake

Answer 1

A nurse identifies pre-renal oliguria if administering IV fluids corrects low urine output, suggesting the cause is related to decreased blood flow to the kidneys.

Step-by-step explanation:

When a nurse determines that a patient with a urine output of less than 400 ml/24 hrs has pre-renal oliguria, it implies that the underlying cause of the low urine output is due to factors before it reaches the kidneys, such as inadequate blood flow. One key indicator of pre-renal oliguria is when replacing the fluid deficit with IV fluids results in an adequate urine output. This is because pre-renal oliguria is often caused by conditions that lead to hypovolemia, such as shock or severe dehydration. When the fluid volume is restored and blood flow to the kidneys is improved, the kidneys can again properly filter blood and produce urine.