Final answer:
ANA stands for the American Nurses Association, which is responsible for identifying the five key steps of the nursing process essential in providing effective patient care.
Step-by-step explanation:
The term ANA refers to the American Nurses Association, which is the professional organization that has identified the five steps of the nursing process. These steps, which are fundamental to the practice of nursing, include assessment, diagnosis, planning, implementation, and evaluation. It's essential for any nurse to be familiar with the nursing process as it provides a systematic, methodical approach to patient care which ensures consistency and efficiency in the provision of healthcare services.