What Is the Role of the Institutional Review Board (IRB)

What is the role of the institutional review board (IRB) in protecting human subjects?

A) An IRB exists within a university, medical center, or other industry solely to outweigh the financial risks associated with research for the institution.
B) An IRB exists within a university, medical center, or other institution to review research proposals and ensure that the study is safe and ethical for all participants.
C) An IRB exists within a university, medical center, or other institution to ensure all documentation related to research is adequate and correct.
D) An IRB exists within a university, medical center, or other industry to protect only individuals on whom research is being conducted.