Atelectasis 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 55-year-old man with no past medical history is admitted to the hospital for treatment of symptomatic cholelithiasis. The patent undergoes an uncomplicated laparoscopic cholecystectomy. On post-op day two the patient develops shortness of breath and a dry cough, requiring supplemental oxygen. Temperature is 38.0 ºC (100.4 ºF), pulse is 84/min, blood pressure is 126/82 mmHg, respiratory rate is 16/min, and oxygen saturation is 99% on two liters of oxygen via nasal cannula. Lung auscultation demonstrates decreased breath sounds at the left base without wheezing, rales or rhonchi. Laboratory results are shown below. Chest radiograph shows opacification over the left lower lobe with a slightly elevated left hemidiaphragm and preserved left costophrenic angle. Which of the following would have been the most appropriate measure to prevent his current condition?

Serum Test	Result	Reference Range
White blood cell count	8,500/mm³	4,500-11,000/mm³
Procalcitonin	0.08 ng/mL	<0.1 ng/mL
C-reactive protein	0.2 mg/dL	<0.8 mg/dL

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Avoiding intraoperative IV fluid administration

Postoperative empiric antibiotics

Flutter valve use after surgery

Mechanical ventilation overnight following surgery

Early ambulation and incentive spirometry