doozy (Noun) something that is extraordinary. Often used in the context of troublesome, difficult or problematic, but can be used positively as well. Most of the test was easy, but the last question was a doozy. Origin: American, from daisy (the flower), also 18th century and onward English slang for something excellent. May have been influenced by Eleonora Duse, Italian actress.
Rmn used to be registered mental nurse when rgn was registered general nurse it was then changed so that all nurses were were RN (registered nurse) and then the branch that they specialised in, either adult, child, mental health or learning disability, creating RNA, RNC, RNMH and RNLD. vikee Â· 2 years ago.
community health nurse an especially prepared registered nurse whose work combines elements of both primary care nursing and public health practice and takes place primarily outside the therapeutic institution.egistered nurse (RN), 1 (U.S.) a nurse who has completed a course of study at a state-approved school of nursing and passed the National Council Licensure Examination. A registered nurse may use the initials RN after the signature. RNs are licensed to practice by individual states.