Clients in the Nurse's Caseload Have Been Requested to Participate

Clients in the nurse's caseload have been requested to participate in a therapeutic trial about H1N1 influenza. Which end result should the nurse point out is the goal of this project?

A) Is based on primary prevention of H1N1 influenza
B) Is dependent variable manipulated by the researcher
C) Focuses on limiting the spread of H1N1 influenza
D) Focuses on reducing the incidence of H1N1 influenza