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Exam 13: Lower Gi System

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Question 1

Multiple Choice

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Match each of the definitions or descriptions with the corresponding pathologic indication for the small bowel series.(Use each option only once.) -Obstruction of the small intestine due to the cessation of peristalsis

A) Ileus
B) Neoplasm
C) Meckel diverticulum
D) Malabsorption syndrome (sprue)
E) Enteritis
F) Regional enteritis (Crohn's disease)
G) Giardiasis
H) Adynamic or paralytic ileus

Correct Answer

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H

Question 2

Multiple Choice

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Which part of the large intestine has the widest diameter?

A) Descending colon
B) Transverse colon
C) Cecum
D) Ascending colon

Correct Answer

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C

Question 3

Multiple Choice

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Which of the following positions best demonstrates the left colic flexure?

For an average adult, the amount of barium ingested is one 16-oz cup for a small-bowel-only series.

A patient comes to radiology with possible diverticulosis.Which of the following studies is most diagnostic for detecting this condition?

The term describing a double-contrast small bowel procedure is:

The ideal kV range for a double-contrast barium enema is:

Why is oral contrast media sometimes given during computed tomography colonography?

Which part of the small intestine has a feathery appearance when filled with barium?

Which specific aspect of the large intestine must be demonstrated during evacuative proctography?

Which structure is labeled 1?

A telescoping, or invagination, of one part of the intestine into another is termed:

Which part of the large intestine is located between the rectum and the descending colon?

Which part of the small intestine makes up three-fifths of its entirety?

An infant is brought to the ED with a possible intussusception.Which of the following procedures may actually correct this condition?

Evacuative proctography is most commonly performed on geriatric patients.

CT may be performed to diagnose acute appendicitis.

Which part of the colon has the greatest amount of potential movement?

Computed tomography colonography (CTC) is considered as an effective alternative to endoscopic colonoscopy.

During barium enema fluoroscopy, the radiologist detects a possible defect in the right colic flexure.He asks the technologist to produce a radiograph that will best demonstrate this region of the large intestine.Which one of the following positions will accomplish this goal?