Final answer:
a. electronic health record (EHR). An electronic health record (EHR) is a computerized lifelong health care record for an individual that incorporates data from all sources that provide treatment for the individual.
Step-by-step explanation:
The computerized lifelong health care record for an individual that incorporates data from all sources that provide treatment for the individual is called an electronic health record (EHR). This digital record includes information such as medical history, allergies, medications, and test results, among others. It can be accessed by authorized healthcare providers to ensure continuity of care and provide accurate and up-to-date information.