Testbank for Primary Care: Art and Science of Advanced Practice Nursing - An Interprofessional Approach 5th edition {graded A} Chapter 1. Primary Care in the Twenty-First Century: A Circle of Caring 1. A nurse has conducted a literature review in an effort to identify the effect of handwashing on the incidence of nosocomial (hospital-acquired) infections in acute care settings. An article presented findings at a level of significance of <0.01. This indicates that A) the control group a...