A variety of abbreviations exist to designate the applicable certifications, specialties and education of nurse practitioners. General Abbreviation The general abbreviation for nurse practitioners is NP. A general nurse practitioner has completed at least a bachelor degree and has a license to work as a registered nurse (RN) in her home state. Additionally, she has at least two years experience practicing as an RN and has completed a masterâs degree and additional training.
Long-term sunlight exposure is known to be associated with the development of skin cancer, skin aging, immune suppression, and eye diseases such as cataracts and macular degeneration. Short-term over-exposure is the cause of sunburn, snow blindness, and solar retinopathy.
Melanin protects our body from the sunâs ultraviolet radiation, and melanoma. More melanin presence in the skin makes the skin appear black, and less melanin will make the skin appear less black. White people have very little melanin synthesized by their skin.