The Advance Beneficiary Notice (ABN) must be signed by patients before they can receive covered services that may be denied payment by ________.

Physicians who specialize in interpreting diagnostic images are:

A) ophthalmologists. B) pathologists. C) radiologists. D) kinesiologists. E) physiologists.

In the hospital setting, the gold standard for fluid balance is the patient's ____.

A. weight B. height C. blood pressure D. age