A nurse is assisting in the care of a client in an outpatient substance use disorder clinic who has been taking naltrexone for the past 30 days. Which of the following client statements indicates an expected response to the treatment?

"My anxiety has been getting a little easier to deal with every day."

"I have not had any cravings to drink since my visit last week."

"When I had one drink last week. I had extreme nausea and vomited several times."

“Since I quit drinking. I have not had any hallucinations."