Share. An Introduction to Biomedical Ethics Ethics is the application of values and moral rules to human activities. Bioethics is a subsection of ethics, actually a part of applied ethics, that uses ethical principles and decision making to solve actual or anticipated dilemmas in medicine and biology.Ethics seeks to find reasoned, consistent, and defensible solutions to moral problems.ioethics is a subsection of ethics, actually a part of applied ethics, that uses ethical principles and decision making to solve actual or anticipated dilemmas in medicine and biology.