Medicare:

A) Serves those under 65
B) Covers four indigent groups
C) Is a federal health insurance program
D) All of the above

Indigent Groups

Populations or communities that are impoverished and lack basic resources for subsistence.

Federal Health Insurance

Government-provided health insurance programs, such as Medicare and Medicaid in the United States, that aim to ensure healthcare access for specific populations.

Medicare

A federal health insurance program in the United States for people 65 years of age and older, and for some younger people with disabilities.