Medicare patients with Part B fee-for-service benefits are responsible for what percentage of the Medicare Fee Schedule (MFS) after the deductible has been met and services are rendered by a provider who accepts assignment?

What is the role of carbonic anhydrase in the kidneys?

a. It drives the recovery of HCO3– and ex-cretion of H+. b. It is the catalyst for the hamburger phe-nomenon. c. It promotes the excretion of CO2 in the urine. d. It promotes the loss of fluids in congestive heart failure.

The ultrasonic cleaner contains a liquid medium to aid in the removal of debris from instruments. The solution should be changed

monthly. every other day. only when it looks dirty. at the end of the day.