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Chapter 18: exam of gastrointestinal tract
Terms in this set (20)
Patients undergoing gastroscopy should have:
When fiber optic studies are ordered in conjunction with exams requiring barium, which is done first?
Fiberoptic studies (gastroscopy or sigmoidoscopy)
What type of diet should patients be on for the days preceding the exam?
Low residue diet (bread, crackers)
An NPO is usually instituted for a period ranging from:
A semisolid nugget of medication that is inserted into the rectum to stimulate peristaltic action in the colon and promote evacuation of the distal portion of the lower bowel is called a(n):
A procedure consisting of filling the colon with liquid to aid in dislodging any fecal content
Enlarged rectal veins
which type of barium (thick/thin) is well suited in esophagus studies
True or false; a patient can be allergic to barium.
False: patients are allergic to flavoring additives. Barium is inert.
The principle problem complicating the use of barium is:
It's hygroscopic nature
Give two examples of non-ionic contrast, approved for oral use.
Give two examples of water soluble iodine compounds
Enlarged veins in the lower part of the esophagus that occur most often in patients withi liver disease
The protrusion of a portion of the stomach into the thoracic cavity
The injection of nutrients of medicinal liquid into the small bowel
Barium is injected through the tube under fluoroscopic control at a speed of:
A routine fluoroscopic exam of the colon
The enema bag is suspended above the table at a height of:
A massive change of fluid concentration on the blood
A position that assists gravity flow of barium from the stomach is
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