A Registered Nurse (“RN”) is a graduated trained nurse who has passed state registration examination and has been licensed to practice nursing. RNs and LPNs both base their course study on nursing arts, and sciences, typically with a background in other areas of science or the humanities. RNs spend between two and four years completing their degrees. This allows the RNs gain a broader and deeper understanding of necessary topics and more specialized body of knowledge including physiology, pharmacology, clinical practice, and research utilization. This extra time also increase the cost of an RN education. For example, an RN program averages around $7,980 over two to three years. RNs teach patients and their families how to manage their illness or injury, explaining post-treatment home care needs; diet, nutrition, and exercise programs; and self-administration of medication and physical therapy. Some RNs work to promote general health by educating the public on warning signs and symptoms of disease. RNs also might run general health screening or immunization clinics, blood drives, and public seminars on various conditions.…