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Gastric Imaging Quiz

	All of the following statements regarding gastric imaging are true EXCEPT:
	A. Water soluble contrast should be used if a leak or perforation are suspected.
	B. A double contrast upper GI series uses both oral and IV contrast.
	C. A double contrast study provides improved mucosal vizualization.
	D. The imaging study of choice for diagnosing hypertrophic pyloric stenosis is ultrasonography.

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