Final answer:
The document that states that "LPNs possess knowledge obtained through practical nurse preparation and continuous learning relevant to their professional LPN practice" is Standards of Practice.
Step-by-step explanation:
The document that states that "LPNs possess knowledge obtained through practical nurse preparation and continuous learning relevant to their professional LPN practice" is Standards of Practice. Standards of Practice define the required level of performance in professional roles and are typically used to guide and evaluate nursing practice. The Code of Ethics usually reflects the core values and principles of the profession but may not specifically mention the phrase about LPN's preparation and learning.