Acute respiratory distress syndrome Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 62-year-old woman presents to the emergency department with progressive shortness of breath, cough, and fever over the past four days. Her condition has worsened in the last few hours. Past medical history is significant for type 2 diabetes mellitus. Temperature is 39.3°C (101.1°F), heart rate is 118/min, respiratory rate is 28/min, blood pressure is 87/57 mm Hg, and oxygen saturation is 85% on 4L/min of oxygen via nasal cannula. The patient is unable to speak in full sentences and is using accessory muscles to breathe. Physical examination reveals bilateral crackles. There is no jugular venous distension or lower extremity edema. A chest X-ray shows diffuse bilateral opacities. Blood cultures are drawn and intravenous (IV) broad-spectrum antibiotics are initiated. The patient is intubated and mechanically ventilated. Which of the following initial ventilator settings is most appropriate for this patient?

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Tidal Volume (mL/kg of predicted body weight)	FiO2 (%)	Positive end-expiratory pressure (cm H2O)	Respiratory Rate (breaths/min)
8	60	5	20

Tidal Volume (mL/kg of predicted body weight)	FiO2 (%)	Positive end-expiratory pressure (cm H2O)	Respiratory Rate (breaths/min)
6	100	5	12

Tidal Volume (mL/kg of predicted body weight)	FiO2 (%)	Positive end-expiratory pressure (cm H2O)	Respiratory Rate (breaths/min)
6	60	10	12

Tidal Volume (mL/kg of predicted body weight)	FiO2 (%)	Positive end-expiratory pressure (cm H2O)	Respiratory Rate (breaths/min)
4	40	15	12

Tidal Volume (mL/kg of predicted body weight)	FiO2 (%)	Positive end-expiratory pressure (cm H2O)	Respiratory Rate (breaths/min)
12	100	10	20