GI system Flashcards
Visualization of which of the following structures indicates that the correct contrast scale has been used for a plain abdominal radiograph?
1. Liver, kidneys, and psoas muscle shadows
2. Lumbar spine and transverse processes
3. Kidneys and psoas muscle shadows
4 Lumbar spine ans psoas shadows
Both 1 and 2
The rhythmic smooth muscle contractions found in the upper gastrointestinal system are called:
peristalsis
The greatest amount of digestion occurs in which portion of the intestines?
duodenum
Detoxification of poisonous substances takes place in which organ?
liver
Which organ controls the level of glucose in the circulating blood?
pancreas
The telescoping of one part of the intestinal tract into another is termed:
intussusception
Twisting of the bowel upon itself is termed:
volvulus
What is not considered to be the major imaging modality for the demonstration of gallstones?
Ultrasound
What is the major cause of cirrhosis in the USA and Europe?
alcoholism
Rupture of the spleen as a result of blunt abdominal trauma can be best demonstrated by what imaging procedure?
CT
If a patient is too ill to stand, what projection can be used to demonstrate pneumoperitoneum?
Left lateral decubitus, pt on the left side.
Extensive calcification in the wall of the gallbladder is termed:
porcelain gallbladder
Varicose veins of the rectum are termed:
hemorrhoids
“Apple-core” and “napkin-ring” are common descriptive terms for annular carcinoma of the:
colon
Crohn’s disease occurs in what organ?
colon, small bowel, stomach