Phase (2): Implementation phase:
The data collection was carried out from 23 February until 23 May 2012, the researcher intro-duced himself to initiate line of communication, oral permission for voluntary participation was obtained from nurses, the purpose, steps and benefits of study were explained to nurses, confiden-tiality and anonymity of data was ensured, the knowledge of each nurse involved in the study was assessed by questionnaire sheet through semi struc-tured interview and the observation checklist was carried out by the researcher while the nurses were on duty during morning.