Fall 2024 ABG Mock Board Review

A patient on mechanical ventilation has a PaO₂ of 45 mmHg and a PaCO₂ of 48 mmHg. Which of the following should the respiratory therapist prioritize?

A patient presents with a PaO₂ of 50 mmHg and a PaCO₂ of 40 mmHg on room air. Which of the following interventions should be prioritized?

A patient’s arterial blood gas shows PaO₂ of 55 mmHg and PaCO₂ of 43 mmHg. Which ventilator adjustment should be made?

A patient with COPD has a PaO₂ of 65 mmHg and a PaCO₂ of 52 mmHg while on 2 L/min nasal cannula. The respiratory therapist should:

A patient’s arterial blood gas reveals PaO₂ of 85 mmHg and PaCO₂ of 92 mmHg on 40% FiO₂. What action should the respiratory therapist take?

A patient’s ABG shows PaO₂ of 48 mmHg and PaCO₂ of 45 mmHg. What is the priority intervention?

A patient with a PaO₂ of 55 mmHg on FiO₂ 0.40 and PaCO₂ of 40 mmHg is showing signs of distress. The next most appropriate action is to:

PaCO₂ of 52 mmHg. The patient’s oxygen saturation is 89%. What adjustment should be made?

A patient on 60% FiO₂ has a PaO₂ of 58 mmHg and PaCO₂ of 40 mmHg. Which ventilator adjustment should be made?

A patient on 4 L/min nasal cannula has an SpO₂ of 89%, PaO₂ of 55 mmHg, and PaCO₂ of 72 mmHg. Which of the following should be the next action?