Final answer:
The section on hearings is found under the Rules of Ethics category of the ARRT's Standards of Ethics, which are standards guiding radiologic technology professionals.
Step-by-step explanation:
The ARRT's Standards of Ethics are designed to guide professionals in the radiologic technology field in maintaining a high level of ethical conduct. The Standards of Ethics are divided into two main categories: the Code of Ethics, which is aspirational, and Rules of Ethics, which are mandatory and enforceable. The section on hearings, where potential violations of the Rules of Ethics are examined, is found under the Rules of Ethics category. These hearings are crucial in upholding the professional standards and ensuring compliance with ethical guidelines.