Which healthcare professional requires the most knowledge of how the lower GI tract works?

A gastroenterologist specializes in diseases and function of the digestive system, including the lower GI tract (the intestines and related organs). An endoscopy technician assists with procedures, while an orthodontist focuses on teeth and jaw alignment and a dietitian focuses on nutrition. Therefore, the gastroenterologist requires the most knowledge of how the lower GI tract works.

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