What is the difference between a central line and a peripheral IV line? In first semester you need to be able to identify and assess the lines. You WILL NOT be cleaning or infusing any meds through these lines. You are responsible for assessment, monitoring, knowing what type of line your patient has, and why the patient has the line. What is a Central line used for and how do you assess it? What is a Port-a-cath (implanted port) and how do you assess it? 40 40