All of the following are limitations to scaling and root planing except one. Which one is the exception?

What is the main cause of emphysema, chronic obstructive pulmonary disease, and lung cancer?

When a patient's blood glucose level increases significantly, the:

A. pancreas secretes additional insulin. B. renal system retains secreted glycogen. C. kidneys excrete excess glucose via water. D. liver releases more glycogen into the blood.