Tenn. Code Ann. § 63-7-108: "Practice of practical nursing" defined

The "practice of practical nursing" means the performance for compensation of selected acts required in the nursing care of the ill, injured or infirm and/or carrying out medical orders prescribed by a licensed physician or dentist under the direction of a licensed physician, dentist or professional registered nurse. The licensed practical nurse shall have preparation in and understanding of nursing, but shall not be required to have the same degree of education and preparation as required of a registered nurse.