Final answer:
The advanced directive designating a person to make medical decisions is Durable Power of Attorney for Health Care (B).
Step-by-step explanation:
An advanced directive designating a person to make medical decisions on behalf of the resident is Durable Power of Attorney for Health Care (B).
A living will (A) is a written legal document that details specific interventions a person wants, while a Physician Orders for Life-Sustaining Treatment (POLST) (C) is a medical order that specifies the types of treatments a person does or does not want to receive. A DNR (D) is a specific type of order that instructs medical personnel not to revive or resuscitate a patient whose heart has stopped or who has stopped breathing.