Describe how gallstones develop and the signs ofobstruction.

C. R. is an 18-month old female. Her mother has brought her to the pediatrician’s office because she developed a low-grade fever overnight. The little girl also has a runny nose and a harsh, barking cough. Upon examination, the child has inspiratory stridor and mild retractions and is sitting quietly on her mother’s lap. Select a potential diagnosis for C.R. and describe the pathophysiology of that diagnosis. How does the pathophysiology explain C.R.’s symptoms and physical exam findings?

Explain the structure of eosinophils.

Explain the dietary modifications for patients with Crohn's disease.