The correct answer is C. It's a public health insurance program available to low-income individuals and families.
Explanation
Medicaid is the name of a government program in the United States that provides health services focused on helping low-income people. This program does not work the same in all states because in some it can cover all of the costs and in others only a part. Some of the services that Medicaid includes are laboratory and X-rays, children's health check-ups and treatment, family planning services and resources, adult dental services, adult medical and surgical services, among others. According to the above, the correct answer is C.
Body mass index is the actual measurement of body fat, not a method with which to measuring it.