An action for an injunction authorized by Section 73-51-1 shall be filed and heard either in the county in which the defendant resides or in which he practices the profession sought to be enjoined, and no bond shall be required, and no damages, fees or other costs shall be taxed against said board for the bringing of such suit. The court or judge shall not issue a temporary restraining order or injunction under this chapter, but shall hear and decide said matter on its merits either in term time or vacation as soon as possible.