Cystic fibrosis 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 12-month-old girl is brought to the ED by her mother due to vomiting and lethargy for the past 24 hours. The patient is formula-fed and has had normal feeding patterns until several hours ago, when she had an episode of vomiting. The mother reports they were at a barbecue outside yesterday for several hours, but that the baby had proper coverage from the sun. The patient has a history of meconium ileus after birth, when she was subsequently tested and found to have a homozygous ΔF508 deletion in the CFTR gene. The patient’s temperature is 37.0°C (98.6°F), pulse is 134/min, respirations are 32/min, and blood pressure is 98/75 mmHg. Physical examination reveals a stuporous girl with dry mucous membranes. Which of the following laboratory results are likely to be seen in this patient?  

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