An adolescent who is a heroin addict is admitted to the unit for detoxification. What intervention is most important for the nurse to initiate during the first 24 hours after admission?

A. Assessing intake and output is important for overall monitoring but does not address the specific concerns related to heroin detoxification. B. Monitoring for wheezing and apnea is crucial during the first 24 hours after admission for heroin detoxification to ensure respiratory stability. C. Limiting visitors is a general precaution but may not be the most important intervention related to the physiological effects of heroin detoxification. D. Assigning the client to a teen support group is a valuable intervention for overall support but may not address the immediate physiological concerns of heroin detoxification.