Question 4 of 5 Which of the following items is not one of the Ten Essentials?
A. Matches
B. Knife
C. Map
D. Camp stove

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?