Final answer:
PACS (Picture Archiving and Communication System) is an electronic record technology tool that allows a paper-based x-ray report to be accessed.
Step-by-step explanation:
The electronic record technology tool that allows a paper-based x-ray report to be accessed is PACS (Picture Archiving and Communication System). PACS is a system that allows for the storage, retrieval, and distribution of medical images. It is commonly used in healthcare settings to manage and view various types of medical images including x-rays.