{ "cell_id": "q111_control_k0", "doc_id": "bariumswallowpresentation-090810084400-phpapp01_95.pdf", "question": "In the deck's double-contrast esophagus technique, the patient swallows a measured amount of high-density, low-viscosity barium and is then given effervescent powder. What volume of that barium is given to swallow?", "answer": "15-20 ml", "answer_format": "Str", "condition": "control", "k": 0, "source_position": "first", "expected_route": "openrouter", "bundle_filenames": [ "source.md" ], "original_filenames": [ "bariumswallowpresentation-090810084400-phpapp01_95.pdf" ], "modality": "markdown" }