Final answer:
When caring for a resident with Alzheimer's who is repeatedly trying to exit through a locked door, the first response should be to ensure their safety by redirecting their attention and engaging them in a calming conversation.
Step-by-step explanation:
When caring for a resident in an Alzheimer's unity, a resident repeatedly pushing on a locked door and trying to exit can be a challenging situation. The first response should be to ensure the safety of the resident. This can be done by calmly redirecting their attention to a different activity or area, using comforting words, and engaging them in a calming conversation. It is important to approach the resident with empathy and understanding, acknowledging their feelings but maintaining a gentle and firm approach in order to prevent any harm or potential danger.