A nurse and an assistive personnel (AP) are caring for a client who requests a PRN pain medication. After the nurse administers the medication, which of the following tasks should the nurse assign to the AP?

Document the client's respiratory rate in 1 hr.

Monitor the client for an allergic reaction for 30 min.

Check the client's response to the medication in 1 hr.

Evaluate the client for therapeutic effects in 30 min.