Which are reported when a physician directly delivers medical care for a critically ill or critically injured patient?

Which of the following is TRUE regarding glucose use by the cells?

A) The brain can convert to using fats for energy. B) The brain requires insulin to absorb glucose. C) Glycogen is stored in the pancreas for cellular use. D) Brain cells require glucose to function.

When blood levels of carbon dioxide or hydrogen ions increase above normal, the respiratory center of the brain responds by

(A) decreasing the rate and increasing the depth of respiration. (B) increasing the rate and depth of respiration. (C) increasing the rate and decreasing the depth of respiration. (D) decreasing the rate and decreasing the depth of respiration.