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4719 Anatomy

The vomitus of a 5-day-old infant contains stomach contents and bile. The vomiting has continued for 2 days. Radiographic examinations reveal stenosis of the fourth part of the duodenum. The child cries almost constantly, appearing to be hungry all of the time, yet does not gain any weight. Which of the following developmental conditions will most likely explain the symptoms?

APatent bile duct
BDuodenal stenosis
CHypertrophied pyloric sphincter
DAtrophied gastric antrum
Anatomy
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4725 Anatomy

Screening is useful for

ADisease which is an impoant health problem
BDisease which can be diagnosed at a latent stage
CDisease where early diagnosis and treatment orably alters the natural history of the disease in a significant propoion
DAll of the above
Anatomy
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