The nurse would expect a patient with respiratory acidosis to have an excessive amount of
a. Carbon dioxide.
b. Bicarbonate.
c. Oxygen.
d. Phosphate.
ANS: A
Respiratory acidosis occurs when the lungs are not able to excrete enough carbon dioxide. Car-bon dioxide and water create carbonic acid. A buildup of carbonic acid causes the ECF to be-come more acidic, decreasing the pH. Bicarbonate is normal with uncompensated respiratory ac-idosis or elevated with compensated respiratory acidosis. Excessive oxygen and phosphate are not characteristic of respiratory acidosis.
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