All the following inhalation therapies in cystic fibrosis are true EXCEPT:

All the following inhalation therapies in cystic fibrosis are true EXCEPT:

The MOST common cause of hydrothorax in children is:

The accepted definition of bronchopulmonary dysplasia (BPD) includes the requirement for supplemental oxygen for at least how many days?

Laboratory evaluation for cystic fibrosis is indicated in cases of small bowel atresia. Other laboratory studies are not specific for atresia, but a complete blood count, serum electrolytes, liver functions, and amylase should be measured to identify dehydration, pancreatitis, and other complications.

There is no abdominal tenderness or distention and no vomiting. If these are intussusception or volvulus, should be present, other diagnoses, such as considered. Peripheral eosinophilia generally is not present on complete blood count, which nevertheless should be performed to rule out an associated iron deficiency anemia.