Final answer:
During an ongoing assessment en route to the hospital, the EMT-Basic should reassess the patient's vital signs, especially blood pressure, to determine if a pressure bandage, cold, or elevation is needed.
Step-by-step explanation:
When conducting an ongoing assessment on a patient en route to the hospital, the EMT-Basic should reassess the patient's vital signs, especially blood pressure. Depending on the assessment, the EMT-Basic may determine if a pressure bandage, cold, or elevation is needed.