Penn Nursing's Ariana Chao (IMAGE) University of Pennsylvania School of Nursing Caption says Ariana M. Chao, PhD, CRNP, Assistant Professor of Nursing at Penn Nursing Credit Penn Nursing Usage Restrictions None License Licensed 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.