Question Answered step-by-step Which should the nurse do when setting up an arterial line? 1… Which should the nurse do when setting up an arterial line? 1 Tighten all tubing connections. 2 Use macrodrop intravenous tubing. 3 Level the transducer to the ventricle..4 Raise the height of the normal saline infusion to prevent backup. Health Science Science Nursing Share QuestionEmailCopy link Comments (0)