Which phylum includes animals that are characterized by a stinging cell called a nematocyst?

Match the following clinical indications for esophagrams and upper GI with their correct definition:

**Extra Credit (up to 2 points): What body position is this patient in and what projection was used? (There is no marker and the image is hung correctly)

The buccal cavity is another name for the:

What is the name of the condition in which a portion of the stomach will herniate through the diaphragmatic opening?

Which aspect of the GI tract is best demonstrated with an RAO position during an upper GI?

This radiograph represents a good ______ overhead UGI film. .

What salivary gland is represented by the letter “B” on this graphic?  

What device found beneath the radiographic table when correctly positioned greatly reduces scatter from the fluoroscopic x-ray tube?

When performing GI radiography, the position of the stomach may vary depending on:A. respiratory phaseB. body habitusC. patient position