Which of These Statements Describes the Respiratory Mechanism of PH

Multiple Choice

Which of these statements describes the respiratory mechanism of pH control

A) Respiratory rate and depth decrease as a compensatory measure to combat metabolic acidosis.
B) The respiratory system can compensate completely for uremic acidosis.
C) Metabolic alkalosis inhibits (depresses) the respiratory centre.
D) The respiratory responses to acid-base imbalances represent the first line of defence against changes in pH of body fluids.