In the lungs, what substances does carbonic acid primarily dissociate into for removal?

You have finished teaching a class on cold emergencies and want to assess if the class understands the concepts. You ask a student to discuss the regulation of temperature in the human body. You know that she understands when she makes which of the following statements?

a. "If the body becomes too hot or too cold, the brain sends instructions so that the body either retains or loses heat." b. "If the air outside the body is cold and the body is too hot, the cold air will move into the body to cool it." c. "Because cellular activity constantly generates heat, the body must always be cooler than the air that surrounds it." d. "For its cells to function properly, the body must always be warmer than the air that surrounds it."

If your patient's cardiac rhythm is life-threatening, your FIRST action should be to

A) check the monitor wires and patches. B) exchange the cardiac monitor for a new one. C) notify the family of the patient's deteriorating condition. D) check the patient–assess vital signs and see how he/she feels.