The client in end-stage liver failure has an elevated ammonia level. The health-care provider prescribes lactulose (Cephulac), a laxative. Which intervention should the nurse implement to determine...

The client in end-stage liver failure has an elevated ammonia level. The health-care provider prescribes lactulose (Cephulac), a laxative. Which intervention should the nurse implement to determine the effectiveness of the medication?

1. Monitor the client’s intake and output.

2. Assess the client’s neurological status.

3. Measure the client’s abdominal girth.

4. Document the number of bowel movements