MRCPCH FOP Practice Questions - MRCPCH Foundation Of Practice (FOP) Exam

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A newborn is found on heel-prick screening to have a raised immunoreactive trypsinogen, and a sweat test shows a chloride concentration of 75 mmol/L. Genetic testing confirms two CFTR mutations. Which organism is the most common cause of early respiratory infection in young children with this condition?
Correct Answer:
Staphylococcus aureus

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