Final answer:
A Practical Nurse under the direct supervision of a registered nurse is responsible for reviewing patient history, monitoring dialysis treatment, and preparing solutions and equipment for accurate procedures.
Step-by-step explanation:
The student is inquiring about the functions of a Practical Nurse (PN) under the direct supervision of a registered nurse, specifically related to providing dialysis treatments. Functions of the PN in this context include reviewing patient history and assessing the patient's current condition, monitoring the dialysis process, and preparing solutions and equipment to achieve accurate and sterile procedures. It is important to take and report vital signs, respond to patient needs, and ensure safety and efficacy in the dialysis treatment regimen.