Final answer:
The Arizona State Board of Nursing (AZSBN) is the regulatory body responsible for nursing standards of care in Arizona, making the correct answer B) Arizona State Board of Nursing (AZSBN).
Step-by-step explanation:
The entity that regulates the state level for nursing standards of care in Arizona is the Arizona State Board of Nursing (AZSBN). This board is responsible for the licensure, education, and practice of nurses within the state, ensuring they adhere to established standards of care. While the Arizona State Board of Nursing handles state-specific regulations, organizations such as the American Nurses Association (ANA) and the National Council of State Boards of Nursing (NCSBN) provide broader guidelines and influence on a national and interstate level, but they do not regulate state standards directly. The correct answer for who regulates nursing standards of care in Arizona is B) Arizona State Board of Nursing (AZSBN).