Helen C BallestasHelen Ballestas, PhD, RN, CRRN is an Assistant Professor at the Adelphi School of Nursing, where she teaches Pathophysiology and Medical-Surgical Nursing. She has written extensively, and has contributed to a number of quality books, includingthe Incredibly Easy series, Straight A's, and LWW's Nursing Series. Carol Caico, PhD, CS, NP is Assistant Professor of Nursing at New York Institute of Technology and works as a nurse practitioner at Long Island Women's Healthcare. She has over 20 years of professional and teaching experience and is currently a peer reviewer for the American Journal for Nurse Practitioners. Read More Read Less