The acid-base status of a patient is dependent on normal gas

The acid-base status of a patient is dependent on normal gas exchange. Which patient would the nurse identify as having an increased risk for the development of respiratory acidosis?
a. Chronic lung disease with increased carbon dioxide retention
b. Acute anxiety, hyperventilation, and decreased carbon dioxide retention
c. Decreased cardiac output with increased serum lactic acid production
d. Gastric drainage with increased removal of gastric acid
Answer A

normal