C13: Review Questions

Question 1

The typical adult’s small intestine (intact) measures _____.

Answer 1

23 feet, or 7 m

Question 2

Which region(s) of the large intestine would be barium filled during a double-contrast BE with the patient lying prone?

Answer 2

Transverse and sigmoid colon

Question 3

Regional enteritis is also known as _____.

Answer 3

Crohn’s disease

Question 4

The most common type of colon cancer is _____.

Answer 4

adenocarcinoma

Question 5

The IV pole/enema bag is no farther than _____ above the table for the beginning of a barium enema procedure.

Answer 5

24 inches (61 cm)

Question 6

Which of the following projections will best demonstrate the rectum during an air-contrast barium enema?

Answer 6

Ventral decubitus

Question 7

What type of CR angle is required for the AP axial “butterfly” projection?

Answer 7

30- to 40-degree cephalad

Question 8

The ileum is located in the ____ quadrants.

Answer 8

RLQ and LLQ

Question 9

The duodenum is located in the ____ quadrants.

Answer 9

RUQ and LUQ

Question 10

What is the function of the small intestine?

Answer 10

digestion, absorption, and reabsorption

Question 11

An inflammatory condition of the intestine, primarily the small intestine, is termed:

Answer 11

enteritis

Question 12

An obstruction of the small intestine is termed:

Answer 12

ileus

Question 13

What type of CR angle is required for the RAO position for a barium enema?

Answer 13

No angle, perpendicular about 2 inches to the left of the MSP

Question 14

Where is the CR directed for a ventral decubitus position for the barium enema?

Answer 14

Horizontal at the level of the ASIS and MCP

Question 15

What is the first step on the enema tip insertion procedure?

Answer 15

Place the patient in Sims position.

Question 16

Which condition or disease is demonstrated as “apple-core” lesions on a radiographic image?

Answer 16

neoplasm

Question 17

Which condition or disease is demonstrated as thickening of the mucosal wall on a radiographic image?

Answer 17

colitis

Question 18

Which conditions are contraindications for a barium enema procedure?

Answer 18

gross bleeding, obstruction, and inflammatory conditions

Question 19

Which of the following alternative modalities is known as a “virtual colonscopy?”

Answer 19

CT colonography

Question 20

What type of CR angle is required for the PA axial oblique (RAO) projection?

Answer 20

b. 30- to 40-degree caudad to exit at the level of the ASIS and MSP