Each research site taking part in a study is always responsible for obtaining its own Certificate of Confidentiality. A$.$ TRUE B$.$ FALSE $2$Researchers are required to maintain confidentiality requirements, even when a participant commits a crime. A$.$ TRUE B$.$ FALSE $3$When a study participant no longer wants to disclose PHI, what can be done? A$.$ It is too late to make changes after consent has been given. B$.$ The participant must petition removal through court order. C$.$ The participant may revoke authorization for future disclosures of PHI. $4$Researchers use various practices to ensure participant confidentiality, such as: A$.$ Disposing properly of all documentation with PHI identifiers. B$.$ Maintaining a notebook of all participant addresses and names in the researcher's personal papers. C$.$ Storing participant paper records in a locked cabinet. D$.$ Assigning security codes to electronic records. E$.$ A$,$ C$,$ and D$.5$The U$.$S$.$ Congress passed the Health In