See the main page for the May 2022 TOK essay basic knowledge questions Also, have a look at the TOK essay process here:

6. If we conclude that there is some knowledge we should not pursue on ethical grounds, how can we determine the boundaries of acceptable investigation within an area of knowledge? Discuss with reference to two areas of knowledge. 

How do professional codes of ethics in ________ (AOK) determine ethical guidelines?

How does government regulation of broadcasting determine ethical boundaries in the arts?

How should medical researchers determine what is a justified risk in experimental drug research?