At a Local Health Fair,an Individual Asks About the Difference

At a local health fair,an individual asks about the difference between universal health care and a single-payer system.The nurse explains the difference based on what fact?

A) With universal health,one universal payer,usually the government,pays all expenses for health care.
B) Single-payer systems offer health care only to eligible persons based on income.
C) Single-payer systems rely on insurance companies to pay predetermined fees for services.
D) With universal health,one payer is responsible for all health care costs,providing health care to all citizens.