Final answer:
The sources of guidance on ethical treatments of subjects include ethics committees, institutional review boards (IRBs), government regulations, and professional codes of conduct. All the options are correct.
Step-by-step explanation:
The sources of guidance on ethical treatments of subjects include:
- Ethics committees: These committees consist of experts in the field who review and provide guidance on ethical issues in research and medical practice.
- Institutional review boards (IRBs): IRBs are responsible for reviewing research proposals to ensure the ethical treatment of subjects and the proper implementation of protocols.
- Government regulations: Governments have established regulations and guidelines that address ethical considerations in research and medical practice to protect the rights and well-being of subjects.
- Professional codes of conduct: Various professional organizations and associations have established codes of conduct that provide ethical guidelines for researchers and practitioners regarding the treatment of subjects.
Therefore, all options are correct.