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* 1. Attendee Information

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* 2. Which of the following is the most reliable radiographic sign for diagnosing a mechanical obstruction on abdominal radiographs?

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* 3. Which of the following is the best method to highlight the pyloroduodenal junction in a vomiting patient?

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* 4. Which view is the most sensitive for diagnosing a gastric dilatation and volvulus (GDV)?

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* 5. Which of the following can cause an intussusception?

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* 6. Which of the following is an absolute contraindication for oral barium administration?

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