I am gathering information on the health habits of men who have been recently diagnosed with prostate cancer. I discover that a significant percentage of these individuals ate a high-fat diet for a number of years, and I conclude that there is an association between fat consumption and prostate cancer. My study is classified as a(n):

Anurse recently administered filgrastim intravenously to a client who has cancer and is receiving cytotoxic chemotherapy. for which of the following data, discovered after the medication was administered, should the nurse consider filling an incident report? a. the client had chemotherapy 12 hr before the medication was administered. b. the nurse flushed the client’s iv line with d5w before and after the medication was administered. c. the client’s absolute neutrophil count was 2,500/mm^3 before the medication was administered. d. the medication vial sat at the room temperature for 2 hr before it was administered.