(1) A hospital district must be governed and managed by a board of three or five trustees, elected by the registered electors residing in the district. The number of trustees on the board and, if the number is set at five, the initial terms of two trustees must be fixed by the bylaws of the district.
(2) The trustees must be elected from among the registered electors qualified to vote at general elections within the district.
(3) The trustees may call upon the county attorney for legal advice and services as they may require.