42 Questions
What is the position of gas in the stomach when a patient is in a supine position?
Anterior position
What is the primary purpose of taking an abdominal x-ray in the supine and upright position?
To visualize air in the abdominal cavity
What is the characteristic of the small intestine in an abdominal radiograph?
Presence of air may indicate pathology
Which of the following organs is NOT visible in an abdominal x-ray?
Pancreas
What is the appearance of the large intestine in an abdominal radiograph?
Sometimes has a bubble appearance
What is the term for the shadow of the liver in an abdominal x-ray?
Hepatic shadow
What is the purpose of an upright abdominal view?
To look for air-fluid levels in the abdomen
What is an artifact in an abdominal radiograph?
An instrument that is out of place
What is the significance of looking for fractures in an abdominal x-ray?
To detect potential underlying injuries
What is the characteristic of haustral folds in the large intestine?
They do not go all the way through the lumen
What is the term for the folds in the lining of the small intestine visible in an abdominal x-ray?
Plicae circulares
What is the purpose of looking for calcifications in an abdominal x-ray?
To diagnose abnormal conditions
What is the role of a chest PA view in an abdominal radiograph?
It supplements an abdominal X-ray
What is visible in Figure 5 of the lecturer's PPT?
Flank stripes and urinary bladder
What is the purpose of a chest PA view in evaluating pneumoperitoneum?
To look for air underneath the diaphragm
What is the term for the collection of air in the abdominal cavity visible in Figure 7 of the lecturer's PPT?
Bracketed air collection
What is the purpose of taking X-rays in the esophageal phase of transit?
To visualize the esophageal constrictions
Where is the cricopharyngeal sphincter located?
At the C6 vertebra
What is the cause of dysphagia in left atrial enlargement?
Compression of the esophagus by the left atrium
What is the name of the sign seen in hypertrophic pyloric stenosis?
Mushroom sign
What is the consequence of food particles getting stuck in Zenker's diverticulum?
Bad breath
Where is the lower esophageal sphincter located?
At the gastroesophageal junction
What is the name of the outpouching of the esophagus where food may accumulate?
Zenker's diverticulum
What is the characteristic of the gastroesophageal junction in diaphragmatic constriction?
It is the site of the lower esophageal sphincter
What is the purpose of UGIS?
To study the lower esophagus, stomach, and duodenum
What is the Bird's Beak Sign associated with?
Achalasia
What is the function of SBFT?
To study the small intestine
What is the Ligament of Treitz located at?
Duodenojejunal flexure
What is the characteristic feature of the jejunal mucosa?
Feathery pattern
What is the term for the formation of an incomplete circle around the head of the pancreas?
Duodenal circle
What is the term for the plicae circulares in the small intestine?
Valvulae conniventes
What is the term for the radiograph taken to visualize the stomach and duodenum?
Upper GI series
What is the characteristic of the mucosal pattern in the ileum?
Coarse and less-featured
Where is the ileum located?
Left upper quadrant
What is the purpose of a Barium Enema or Lower Gastrointestinal Series (LGIS)?
To study the large intestines and rectum
How is contrast introduced in a Barium Enema?
Through the anus
What is the main difference between Single Contrast and Double Contrast Barium Enema?
The addition of air in Double Contrast
What is the advantage of Double Contrast Barium Enema over Single Contrast?
Better detection of small lesions
What is the characteristic of the wall in the jejunum?
Thicker
What is the characteristic of the lumen in the jejunum?
Wider
What is the characteristic of the plicae circulares in the jejunum?
More prominent
When is Single Contrast Barium Enema used?
In old, seriously ill, or debilitated patients
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