The nurse is preparing to administer lorazepam 1.5 mg IV to an anxious preoperative client. The medication is available in a 2 mg/mL. vial. Which action should the nurse perform with the remainder of the medication?

Withdraw the medication into a syringe and label it with the client's name.

Throw the vial into the trash in the presence of another nurse.

Place the vial with the remainder of the medication into a locked drawer.

Ask another nurse to witness the medication being discarded.