A nurse is providing education to the partner of a client who has hepatic encephalopathy about a prescription for lactulose. Which of the following statements should the nurse make to the client's partner?

"There should be a decrease in the number of bowel movements with this medication."

"IV administration is the preferred route to give this medication."

"This medication will treat the infection that is causing the confusion."

"We will monitor the serum ammonia level to help determine if the medication is effective."