Review for Mid-Term (Leadership).1- A nurse manager of a 20-bed medical unit finds that 80% of the patients are older adults. She is asked to assess and adapt the unit to better meet the unique needs of the older adult patient. Using complexity principles, what would be the best approach to take for implementation of thischange?A. Engage involved staff at all levels in the decision-making process. 2- A unit manager of a 25-bed medical/surgical area receives a phone call from a nurse who has called in sick five times in the past month. He tells the manager that he very much wants to come to work when scheduled but must often care for his wife, who is undergoing treatment for breast cancer. According to Maslows need hierarchy theory, what would be the best approach to satisfying the needs of this nurse, other staff, and patients?B. Work with the nurse, staffing office, and other nurses to arrange his scheduled daysoff around his wifes treatments. 3- A grievance brought by a staff nurse against the unit manager requires mediation. At the first mediation session, the staff nurse repeatedly calls the unit managers actions unfair, and the unitmanager continues to reiterate the reasons