Thymoma 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 40-year-old woman begins complaining of dyspnea while recovering in the post-anesthesia care unit. Earlier in the day, the patient underwent a laparoscopic cholecystectomy for treatment of symptomatic gallstones. Past medical history is unremarkable. Her temperature is 37.7°C (99.9°F), pulse is 93/min, respiratory rate is 24/min and blood pressure is 125/72 mmHg. Physical examination shows the patient in distress with shallow breaths, using accessory muscles. In addition, the patient is observed to have drooping of the eyelids and corners of the mouth bilaterally. Pupils are 3 cm bilaterally and reactive to light. An arterial blood gas measurement reveals the following findings:
The patient’s condition improves with administration of edrophonium chloride. Which of the following best describes the cause of this patient’s condition?
| Laboratory Value | Result |
| pH | 7.31 |
| PaCO2 | 56 mmHg |
| PaO2 | 71 mmHg |
| Bicarbonate | 25 mmol/L |
The patient’s condition improves with administration of edrophonium chloride. Which of the following best describes the cause of this patient’s condition?
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