Question

___________ emphasize preventive medical care. Generally, their members or subscribers must go to a central facility to receive care.
A. Private medical plans
B. Health Maintenance Organizations (HMOs)
C. Preferred Provider Organizations (PPOs)
D. Individual Practice Associations (IPAs)

Answer 1

HMOs were the first to take the fore-front in health prevention through preventive medical care. But today all of these would practice prevention as well as just curing your illnesses.
From that you can infer that it's B :)

Answer 2

thankyou!!=)

Answer 3

np! :)