Excess nitrogen in water can harm people. Too much nitrogen, as nitrate, in drinking water can be harmful to young infants or young livestock. Excessive nitrate can result in restriction of oxygen transport in the bloodstream. Infants under the age of 4 months lack the enzyme necessary to correct this condition (blue baby syndrome).
Health Care Professionals. A registered nurse (RN) is one of many different types of nurses. A registered nurse is a nurse who has completed at least an associateâs degree in nursing (ADN) or a bachelor of science degree in nursing (BSN) and has successfully passed the NCLEX-RN certification exam.
registered nurse. noun. Tweet. : a nurse who has more training and experience than a licensed practical nurse and who has passed a special exam.ull Definition of REGISTERED NURSE. : a graduate trained nurse who has been licensed by a state authority after qualifying for registration. See registered nurse defined for English-language learners. See registered nurse defined for kids.