N:\AZBN COMMITTEES\SCOPE OF PRACTICE\WEB\2009-2011\FAQ Regarding Changing Supra Pubic Catheters by LPN.doc. Frequently Asked Question Regarding Changing Supra Pubic Catheters by LPN. QUESTION: Is it within the Scope of Practice for the licensed practical nurse to change. supra pubic catheters? ANSWERS: It is within the Scope of Practice for the licensed practical nurse to change. supra pubic catheters. Rationale: Practical nursing includes performing additional acts that require education and training. as prescribed by the Board and that are recognized by the nursing profession as proper to.