The Truth About Nurses: Registered nurses (RNs) treat and educate patients and their families about medical conditions. They perform diagnostic tests and help analyze their results. Licensed practical nurses (LPNs), working under the supervision of RNs and doctors, care for patients who are sick, injured, convalescing or disabled. To become an RN you have the option of earning a bachelor's of science degree in nursing (BSN), an associate degree in nursing (ADN) or a diploma in nursing. BSN programs are generally four-years long, while it takes two to three years to earn an ADN. Diploma programs also last about three years. To work as an LPN you must first complete a state-approved training program that includes a combination of classroom study and supervised clinical practice.
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