A Client with Liver Failure

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  

The client in end-stage liver failure is prescribed neomycin sulfate. Which statement best describes the scientific rationale for administering this medication  

Neomycin sulfate helps lower the hepatic venous pressure. 

It helps increase the excretion of fluid through the kidneys. 

Neomycin is administered to help prevent a systemic infection. 

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