Asthma 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 27-year-old man presents to the emergency department with four hours of severe shortness of breath and wheezing. The patient has been hospitalized three times this year due to exacerbations of severe persistent asthma. Temperature is 37.0 ºC (98.6 ºF), pulse is 110/min, blood pressure is 136/89 mmHg, respirations are 28/min, and SpO₂ is 88% on room air. The patient appears tachypneic and diffuse wheezing is present on pulmonary auscultation. Initial arterial blood gas shows pH 7.50 and pCO₂ 23 mmHg. The patient is given supplemental oxygen, ipratropium-albuterol nebulizer, methylprednisolone, and intravenous magnesium sulfate. The patient is re-evaluated one hour later. SpO₂ is 88% on room air. The patient appears fatigued and is no longer tachypneic. Only minimal wheezing is noted on repeat pulmonary auscultation. Repeat arterial blood gas shows pH 7.36 and pCO₂ 47. Which of the following is the most appropriate next step in management?

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Administer heliox

Administer continuous nebulized albuterol

Endotracheal intubation

Place the patient on continuous positive airway pressure (CPAP)

Administer oral prednisone