Lower GI System - Chapter 13 Bontrager
0.1% barium sulfate suspension is often instilled before the procedure. - correct
answer-What procedure often accompanies a CT enteroclysis?
1. Ascending colon
2. Descending colon - correct answer-Which parts of the colon is found more posteriorly?
1. Ascending colon
2. Hepatic (right colic) flexure
3. Transverse colon
4. Splenic (Left colic) flexure
5. Descending colon
6. Sigmoid colon - correct answer-What are the 4 sections and 2 flexures of the colon?
1. Cecum
2. Colon
3. Rectum
4. Anal canal - correct answer-What are the 4 major sections of the large intestines?
1. Cecum
2. Transverse colon
3. Sigmoid colon - correct answer-Which parts of the colon is found more anteriorly?
1. Contaminated food
2. Contaminated water
3. Person to person contact - correct answer-Giardiasis is a condition acquired through____.
1. Gross bleeding
2. Severe diarrhea
3. Obstruction
4. Inflammatory lesions - correct answer-Which four conditions would prevent the use of a
laxative cathartic before a barium enema procedure?
1. Internal diameter of the large bowels is greater
2. Large bowel contains taeniae coli & haustra
3. Large bowel is located along the periphere of abdomen while small bowel is located
centrally - correct answer-What is the major differences between the large and small
bowels?
1. Peristalsis
2. Haustral churning - squeezing into the next group of haustra
3. Mass peristalsis - every 24 hours
4. Defecation - correct answer-What are the 4 movements throughout the large intestines?
1. Plastic tip
2. Rectal retention
, 3. Air-contrast retention - correct answer-List the 3 types of enema tips commonly used.
(all are single-use & disposable)
1. Prevents contents of the ileum from passing too quickly into cecum
2. Prevents reflux back into the ileum - correct answer-List the two functions of the ileocecal
valve.
1. Regional enteritis (Crohn's)
2. Malabsorption - correct answer-Which two pathological conditions are best evaluated
through an enteroclysis procedure?
1.Timing of the procedure is necessary
2. May be performed as a double contrast media study
3. An enterolyctic procedure - correct answer-Which conditions pertains to the radiographic
study of small intestines?
15 - 18 ft (4.4 - 5.5m) - correct answer-In a person with good muscle tone the lenth of the
entire small intestine is _______.
15 to 30 minutes after ingesting contrast medium - correct answer-When is the first
radiograph generally taken during a small bowel series?
2 cups (16 0z.) - correct answer-How much barium sulfate is generally given to an adult
patient for a small bowel-only-series?
2 hours - correct answer-How long does it usually take to complete an adult small bowel
series?
23 ft (7m) - correct answer-How long is the average small bowel if removed and stretched
out during autopsy?
4 sections, 2 flexures - correct answer-The colon is divided into ____sections and has _____
flexures.
5ft (1.5m) - correct answer-The average length of the large intestine is ______.
A small bowel series (SBS) radiographic examination combined with an upper
gastrointestinal (UGI) radiographic examination - correct answer-What is a small bowel
follow-through?
Adenocarcinoma - correct answer-Apple core sign
Annular carcinoma - correct answer-What it the most common form of carcinoma found in
the large intestine?
Anorectal angle - correct answer-Which aspect of the large intestine must be demonstrated
during evacuative proctography?
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