Final answer:
The nursing assistant should get Ms. Lindley a cup of water.
Step-by-step explanation:
The nursing assistant should get Ms. Lindley a cup of water. It is important for nurses and nursing assistants to fulfill the needs of patients, including providing them with basic necessities like water.
In this situation, Ms. Lindley has requested a cup of water, so the nursing assistant should respond by getting her the water she needs.