i guess you are in nursing program right? . a) h1 Z; N; ~# ~do not use translator. some of them do not make sense. $ _: l1 t. C) stry to use english "answer" website. it might help ! |" k9 F, G* u$ `: A( Z& U9 p- Zi have one but i never use it. well, leave me messages on "duan xiao xi'