GNM stands for General Nursing and Midwifery, and a GNM staff nurse is a nurse who has completed a diploma program in nursing and midwifery. GNM nurses work in a variety of clinical settings, including diagnostic centers, outpatient clinics, and specialist care facilities. Their responsibilities include: Assisting physicians during examinations, Collecting specimens for laboratory analysis, Informing patients about their conditions and available treatments, and Managing administrative tasks.