Penn Nursing's Karen Lasater, PhD (IMAGE) University of Pennsylvania School of Nursing Caption Penn Nursing's Karen Lasater, PhD, RN, Associate Professor and the Jessie M. Scott Term Chair in Nursing and Health Policy. Credit Penn Nursing Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.