Registered nurses (RNs) can work in a variety of healthcare settings, including hospitals, physicians' offices, and nursing facilities. Some of their key responsibilities include performing physical exams, making diagnoses, treating patients, assisting in surgeries, and providing health education. RNs earn an average salary of $69,110 annually but salaries can range from less than $45,000 for those in the bottom 10% to over $96,000 for those in the top 10%.