Muscle weakness, or myasthenia, is a decrease in strength in one or more muscles. It is a common symptom of muscular, neurological and metabolic disorders. Muscular diseases, such as muscular dystrophy and dermatomyositis (disorder characterized by muscle inflammation), are common causes of muscle weakness.
Education. The only way to become a nurse practitioner involves earning a master's degree in nursing or higher. Students need to have a bachelor's degree prior to applying to a Master of Science in Nursing (MSN) program. Although individuals with a bachelor's degree in another field may apply, a BSN is the recommended background.
They may write their own prescriptions under the doctor's license but are not independently licensed to practice on their own, although they are boarded nationally. A nurse-practitioner is a nurse with an advanced degree beyond the RN, usually a masters but sometimes a PhD. Whether they practice completely independently or not varies by state, but in many states they do. They usually are highly specialized, like doctors who specialize, and prescribe under their own DEA number.