The Respiratory Therapist in the ICU Is Called to Assess

Multiple Choice

The respiratory therapist in the ICU is called to assess a patient with ARDS. The patient is SOB. The x-ray shows "white" chest radiograph and the PAO₂ is 60 mm Hg on an FiO₂ of 100%. Which of the following is indicated?

A) Shunting
B) Alveolar hyperventilation
C) Decreased CO₂
D) Perfusion impairment