Julian entered the U. S. in 2002 and was arrested for human trafficking in 2004. He served 10 years in prison, and returned to his native country in 2014. He attempted to regain entry into the U. S. at a valid port of entry in 2019. The immigration officer denied his re-entry in 2019. Were the officer's actions valid? Why or why not?

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience. b. report the adverse drug experience to the irb only if there are several other occurrences. c. report the adverse drug experience as part of the continuing review report. d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb