Ms. Anderson was giving medications on the unit. Just as she was taking a medication out of the patient's cassette, she was interrupted by another patient asking about an appointment. While having the discussion, she opened the medication container and poured the dose and gave it to the intended patient. When she returned to the cassette, she realized she gave the wrong medication. What did she neglect to do? 

A. She neglected to properly identify the patient.
B. She neglected to perform the three checks of medication administration.
C. She neglected to properly document the medication.
D. She neglected to ensure the dose was correct.
E. She neglected to check the administration route.

B. She neglected to perform the three checks of medication administration.
She administered the medication without performing the three checks to ensure she had the right medication.