Section 71. The board of trustees of the Soldiers' Home in Holyoke shall manage and control the Soldiers' Home in Holyoke and all property, real and personal, of the commonwealth that is occupied or used by the home. In the management and control of the home, the board of trustees shall: (i) adopt reasonable rules and regulations governing outpatient treatment at, admission to and hospitalization in the home; and (ii) appoint a superintendent. The superintendent shall be the administrative head of the home. The superintendent shall, subject to the approval of the trustees, appoint and may remove a medical director, a treasurer and an assistant treasurer. The treasurer and assistant treasurer shall devote their full time and attention to the duties of their office. Section 49 of chapter 31 shall apply to the appointment of the treasurer and assistant treasurer. The medical director shall have responsibility for the medical, surgical and outpatient facilities and shall make recommendations to the superintendent regarding the appointments of all physicians, nurses and other medical staff. The superintendent shall also appoint and remove such other persons as the superintendent deems necessary for the proper and efficient operation of the facilities of the home.