Final answer:
The nationwide health information network is known as the National Health Information Exchange, which allows for sharing digital records among health providers to enhance care and cost efficiency. Health insurance exchanges in each state aim to make the insurance market more competitive. Medicare is the healthcare system primarily for individuals over sixty-five.
Step-by-step explanation:
The nationwide health information network, designed to facilitate the sharing of digital records among health providers, is known as the National Health Information Exchange (B). The initiative aims to improve the quality and reduce the cost of health care in the United States while ensuring the privacy of electronic health records. States each have health insurance exchanges, or they utilize the federal exchange, promoting competition among insurance companies to enhance market conditions and consumer choice in health insurance.
Regarding public healthcare systems, Medicare is the program that primarily offers insurance to individuals over sixty-five years old. Understanding these health systems is important for recognizing how various entities, such as nonprofit health organizations, private hospitals, and governmental agencies like Health and Social Services, play a role in delivering healthcare services and insurance coverage to the population.