Mary Ann Hogan, MSN, RN has been a nurse educator for 25 years, currently as a Clinical Associate Professor at the University of Massachusetts, Amherst. She has taught in diploma, associate degree, and baccalaureate nursing programs.A former item writer for the CAT NCLEX-RN® exam,Ms. Hogan has been teaching review courses throughout New England for the last 15 years. She also has contributed to a number of publications in the areas of adult health, pharmacology, and fundamentals of nursing. She is a member of the American Nurses Association and Sigma Theta Tau, the International Honor Society for Nursing.