Which task should not be delegated to a licensed vocational nurse (LVN)

by a registered nurse (RN) who is working with an LVN and unlicensed assistive personal (UAP) as part of the team?

1 Performing oral hygiene for a patient who has oral ulcerations 2 Feeding a patient with dysphagia 3 Transferring a patient from the bed to a chair 4 Monitoring a blood transfusion AppendixLO1