Which of the Following Statements Are True of Respiratory Acidosis

Which of the following statements are true of respiratory acidosis and alkalosis?
(Read carefully and select all of the correct statements.)

A) A severe case of pneumonia may cause respiratory alkalosis.
B) Hyperventilation increases the amount of CO₂ exhaled and lowers the pH of body fluids.
C) Holding your breath will increase the pH of body fluids.
D) To compensate for metabolic alkalosis,respiration will increase in rate and depth.
E) To compensate for metabolic acidosis,the respiratory rate will decreasE.
F) Chronic emphysema may result in respiratory acidosis.