Upper GI Tract Anatomy And Positioning

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1. Hydrochloric acid and digestive enzymes are produced in the

Explanation

Hydrochloric acid and digestive enzymes are produced in the gastric mucosa. The gastric mucosa is the inner lining of the stomach that contains specialized cells called parietal cells and chief cells. Parietal cells secrete hydrochloric acid, which helps in the breakdown of food and kills bacteria. Chief cells secrete digestive enzymes, such as pepsin, which break down proteins. Therefore, the production of hydrochloric acid and digestive enzymes occurs in the gastric mucosa.

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About This Quiz
Gastrointestinal Anatomy Quizzes & Trivia

This quiz titled 'Upper GI Tract Anatomy and Positioning' assesses knowledge on the anatomy and imaging of the upper gastrointestinal tract. It covers key areas such as the... see moreesophagus, stomach, and duodenal loop, focusing on their structure, function, and appropriate imaging techniques. see less

2. When is barium contraindicated for an UGI?

Explanation

Barium is contraindicated for an UGI (upper gastrointestinal) procedure in patients with stomach perforations. This is because barium, a contrast agent, can leak through the perforation and cause further complications or infections. It is important to avoid using barium in such cases to prevent any potential harm to the patient.

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3. Which body habitus demonstrates the location of the stomach very high and more horizontal

Explanation

The hypersthenic body habitus demonstrates the location of the stomach very high and more horizontal. This means that the stomach is positioned higher in the abdomen and is oriented more horizontally compared to other body habitus types.

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4. What structure is located within the dudenal loop?

Explanation

The structure located within the duodenal loop is the pancreas. The pancreas is a glandular organ that is part of the digestive system. It is located behind the stomach and is responsible for producing digestive enzymes and hormones such as insulin. The pancreas plays a crucial role in the breakdown and absorption of nutrients in the small intestine, which is why it is found in the duodenal loop.

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5. What projection of the UGI will best demonstrate the fundus and the duodenal loop?

Explanation

The PA Oblique (RAO position) projection is the best choice for demonstrating the fundus and the duodenal loop. This projection allows for better visualization of these structures by positioning the patient in a specific angle that optimizes the visualization of the fundus and duodenal loop. The other options, such as the lateral and AP projections, may not provide the same level of visualization and detail for these specific structures.

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6. What projection will demonstrate the esophagus free of superimposition of the thoracic spine and heart?

Explanation

The lateral projection will demonstrate the esophagus free of superimposition of the thoracic spine and heart. This is because the lateral view allows for a side view of the esophagus, which helps to separate it from the surrounding structures. The AP (anteroposterior) view would not provide the same level of separation, as it would show the esophagus in relation to the spine and heart. The oblique and PA (posteroanterior) views may also show some degree of superimposition, depending on the angle and positioning of the patient.

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7. At which level is the IR centered for a PA projection of the stomach and duodenum?

Explanation

The correct answer is L1/L2. This is because the PA projection of the stomach and duodenum is centered at the level of the L1/L2 vertebrae. This means that the x-ray beam is directed towards this area to capture the image of the stomach and duodenum. The L1/L2 level is important in this projection as it allows for proper visualization and assessment of these structures.

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8. Where does deglutition take place?

Explanation

Deglutition, also known as swallowing, is a process that involves the movement of food or liquid from the mouth to the stomach. The correct answer, Pharynx, is the part of the throat that connects the mouth to the esophagus. During swallowing, the pharynx plays a crucial role in directing the food or liquid into the esophagus and preventing it from entering the airway. Therefore, deglutition takes place in the pharynx.

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Hydrochloric acid and digestive enzymes are produced in the
When is barium contraindicated for an UGI?
Which body habitus demonstrates the location of the stomach very...
What structure is located within the dudenal loop?
What projection of the UGI will best demonstrate the fundus and the...
What projection will demonstrate the esophagus free of superimposition...
At which level is the IR centered for a PA projection of the stomach...
Where does deglutition take place?
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