(a) The board may issue and sell revenue bonds in the name and on the faith and credit of the district to:
(1) purchase, construct, acquire, repair, renovate, or equip buildings or improvements for hospitals and the hospital system; or
(2) acquire sites to be used for hospital purposes.
(b) The bonds must be payable from and secured by a pledge of all or part of the revenue derived from the operation of the district's hospital system.
(c) The bonds may be additionally secured by a mortgage or deed of trust on all or part of the district's property.
(d) The bonds must be issued in the manner provided by Sections 264.042, 264.043, and 264.046-264.049, Health and Safety Code, for issuance of revenue bonds by a county hospital authority.