Select two of the following discussion questions for your discussion response. Indicate which questions you have chosen using the format displayed in the “Discussion Forum Sample.”

Explain how acid-base physiology leads to the regulation of fluid balance and extra cellular pH.

What is the equation for the carbonic acid/bicarbonate buffering system? How do actions at the lungs and kidneys affect this equation and thus compensate for alterations in plasma pH levels?

How do changes in plasma osmolality affect the physiology of erythrocytes?