Once a Medicare beneficiary signs the ________, he or she is legally responsible for the charges if Medicare denies payment for the service as "not medically necessary."

In the side-lying position, the upper leg is best supported so that it is:

A) Perpendicular to the table B) Parallel to the table C) At a 45-degree angle to the table D) Touching the table

A DVD can hold much more information than a ____ of the same size, because DVDs record data in layers and can be recorded on both sides

a. floppy disk b. zip drive c. CD d. USB