A nurse is preparing to administer an antibiotic via intermittent IV bolus for a client who has a continuous IV infusion.Which of the following steps should the nurse take first?

Hang the antibiotic medication bag above the level of the primary infusion.

Wipe the connection port of the primary IV tubing with an antiseptic swab.

Check the IV site for signs of infiltration.

Connect the tubing of the medication bag to the primary tubing.