The purpose of insurance is to
a. pay for repairs when you can't pay for it
b. protect you from financial loss
c. protect you from getting sick and needing a doctor
d. pay for insurance premiums

The purpose of insurance is to: b. protect you from financial loss

When you sign an insurance agreement, you basically enter an agreement that you would pay specific amount of money every months to the insurance company. In exchange, the insurance company would reimburse your expense in case you experience the events that covered by the insurance. This would protect you from financial loss.

she recieved a treatment not thought to be specifically effective in treating her disorder.