Which is the percentage the patient pays for covered services after the deductible has been met and the copayment has been paid?

A(n) ________ account is one in which the physician and patient sign an agreement stating that the patient will pay the bill in a certain number of installments. If more than four installments are involved, this account is governed by the Truth in Lending Act.

What will be an ideal response?

______ and compulsory immunization for diphtheria were not introduced until the 1940s.

Fill in the blank(s) with the appropriate word(s).