The height of a walker should be adjusted so that the handles are at hip level, and the bend of the patient's elbows is at a ____-degree angle

If a service is not likely to be covered by a beneficiary's Medicare benefits, the provider must issue the patient a(n):

a. invoice for monies due. b. Advance Beneficiary Notice. c. written explanation of denial. d. copy of the Medicare contract.

Which of the following procedures should be followed to prevent flammable or combustible liquids from igniting?

A. Infuse area with air or oxygen B. Store liquids in open containers C. Exclude any inert gas from the atmosphere D. Provide ventilation to prevent vapors from reaching their flammable ranges.