Final answer:
The answer to the question is that Medicare covers beneficiaries who are entitled to Social Security, entitled to Railroad Retirement disability, and most persons with End-Stage Renal Disease (ESRD).
Step-by-step explanation:
Medicare covers beneficiaries who are entitled to Social Security, entitled to Railroad Retirement disability, most persons who have End-Stage Renal Disease (ESRD), or a combination of these situations. Therefore, the correct answer to the question is E. all of these are correct. Medicare is a form of social insurance funded through payroll taxes where beneficiaries who have paid into the system, or meet specific qualifications like having ESRD, are entitled to its coverage. This coverage may require the payment of a premium, especially for Parts B and D, which handle outpatient services and prescription drugs, respectively.
It also covers beneficiaries who are entitled to Railroad Retirement disability, and most persons who have ESRD (End-Stage Renal Disease). Therefore, the correct option is E. all of these are correct.