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.
Our body creates most of our vitamin D from direct sunlight on our skin. We also get vitamin D from some foods â including eggs, meat and oily fish such as salmon, mackerel and sardines.
The melanin produced by your body has a limit and it is essential to know this limit to prevent sunburn. Once the melanin has been used to protect against the ultraviolet rays the body will immediately start to try and produce more to continue protecting itself.