How is acute respiratory acidosis accomplished?

How is acute respiratory acidosis accomplished?
 
  a. By increasing HCO3 reabsorption
  b. By increasing alveolar ventilation
  c. By decreasing HCO3 reabsorption
  d. By decreasing alveolar ventilation

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Q. 2  Which of the following are potential causes of respiratory alkalosis? 1. Anxiety 2. Central nervous system depression 3. Hypoxemia 4. Pain
 
  a. 1, 2, and 3 only
  b. 1, 3, and 4 only
  c. 1 and 4 only
  d. 1, 2, 3, and 4

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Q. 3  An ABG result shows the pH to be 7.56 and the HCO3- to be 23 mEq/L. Which of the following is the most likely disorder?
 
  a. Metabolic acidosis
  b. Metabolic alkalosis
  c. Respiratory acidosis
  d. Respiratory alkalosis

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Q. 4  An ABG result shows pH of 7.35, PaCO2 of 30 mm Hg, and HCO3 of 18 mEq/L. What com-pensatory measure has the body taken to at least partially compensate for the acid-base disorder?
 
  a. Blown off CO2
  b. Retained HCO3
  c. Retained H+
  d. Not enough information to determine