The nurse determines that alveolar hypoventilation is occurring in a patient on a ventilator when what happens?
a. the patient develops cardiac dysrhythmias
b. auscultation reveals an air leak around the ET tube cuff
c. ABG results show a PaCO2 of 32 mm Hg and a pH of 7.47
d. the patient tries to breathe faster than the ventilator setting