i guess you are in nursing program right? $ f# S' _2 W6 F$ B U# R( Ydo not use translator. some of them do not make sense. & }7 p' E9 o0 M# `3 n! q$ B) L% btry to use english "answer" website. it might help . w, P$ e6 d9 p" u! u {/ }4 bi have one but i never use it. well, leave me messages on "duan xiao xi'