Epidemiology is defined as: a. the documentation and description of the local use of natural substances in healing remedies and practices. b. a practice that seeks to apply the principles of the natural sciences. c. the intersection of multiple cultural approaches to healing. d. the comparative study of local systems of health and healing. e. the study of the spread of disease and pathogens through the human population.

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.