A nurse is reinforcing teaching with a client about the oliguric phase of acute kidney injury. Which of the following information should the nurse include in the teaching?

The oliguric phase lasts for 2 days.

The oliguric phase begins within 1 month of the injury.

The client's urine output is less than 400 mL per 24 hours.

The client's BUN and creatinine decreases during this phase.