In Massachusetts, nurses practicing in an expanded role include: nurse midwives, nurse practitioners, psychiatric nurses, mental health clinical specialists, and nurse anesthetists.Massachusetts is one of several states in which the Boards of Registration in Nursing and Medicine jointly govern the practice of nursing in the expanded role. Nurses practicing in the expanded role must practice in accordance with written guidelines which are developed in collaboration with and mutually acceptable to the individual physician or the appropriate medical and nursing administrative staff.
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