PAEDIATRIC MCQ 8:A 6-week-old male infant is admitted to hospital with 10-15% dehydration

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8) A 6-week-old male infant is admitted to hospital with 10-15% dehydration. The serum
sodium is 160 mmol/l and the serum potassium is 3.3 mmol/l:


A Congenital adrenal hyperplasia is a likely diagnosis
B Loss of skin turgor is likely to be present
C The dehydration should be corrected over the next 2-4 hours
D Bloody diarrhoea suggests a bacterial cause
E Initial fluid replacement should be with 0.45% saline


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