Question: Why would making the wrong choice have an adverse effect on the patient, Cleanse the port with alcohol and assess the patency of the IV line by flushing it with 2 to 3 mL of sterile normal saline. Attach appropriate IV tubing to the saline lock, and administer the medication via piggyback. When the infusion is completed, disconnect the tubing, cleanse the port with alcohol, and flush the IV line with 2 to 3 mL sterile normal saline. Need Assignment Help?