Alimentary Canal Self Test

Question 1

In which body habitus type is the stomach almost horizontal and high in the abdomen?

Answer 1

hypersthenic

Question 2

which curvature is located on the right (medial) border of the stomach?

Answer 2

lesser curvature

Question 3

Which area is the most inferior part of the stomach?

Answer 3

pylorus

Question 3

Which area is the most superior part of the stomach?

Answer 3

fundus

Question 4

the distal esophagus empties its contents into which of the following?

Answer 4

cardiac antrum

Question 5

which opening is located between the stomach and small intestine?

Answer 5

pyloric orifice

Question 6

which opening is at the distal end of the small intestine?

Answer 6

lleocecal orifice

Question 7

which structure is the proximal part of the small intestine

Answer 7

duodenum

Question 8

which structure is at the distal part of the small intestine

Answer 8

lleum

Question 9

in which abdominal region does the large intestine originate

Answer 9

right iliac

Question 10

which structure is the proximal part of the large intestine

Answer 10

cecum

Question 11

which part of the large intestine is located between the ascending and descending parts of the colon?

Answer 11

transverse colon

Question 12

which structure is located between the ascending colon and the transverse colon?

Answer 12

right colic flexure

Question 13

where in the large intestine is the left colic flexure located?

Answer 13

between the transverse colon and descending colon

Question 14

which structures is the pouchlike part of the large intestine situated below the junction of the ileum and the colon

Answer 14

cecum

Question 15

where in the large intestine is the sigmoid located?

Answer 15

between the descending colon and the rectum

Question 16

approximately how long does it usually take a barium meal to reach the rectum?

Answer 16

24 hours

Question 17

approximately how long does it usually take the first part of the barium meal to reach the ileocecal valve?

Answer 17

2 to 3 hours

Question 18

which type of contrast medium is most commonly used for examining the upper GI tract?

Answer 18

a barium sulfate suspension

Question 18

which two imaging modalities are most commonly used to examine the alimentary canal after the introduction of a barium product?

Answer 18

fluoroscopy and radiography

Question 19

to demonstrate swallowing function best, in which position should the patient be placed to begin the fluoroscopic phase of single-contrast examinations of the esophagus?

Answer 19

Upright

Question 20

which two recumbent oblique positions can be used to demonstrate best an unobstructed image of a barium-filled esophagus between the vertebrae and the heart?

Answer 20

RAO and LPO

Question 21

Which of the following is a major advantage of double- contrast UGI examination over single-contrast UGI examination?

Answer 21

small lesions on the mucosal lining are better demonstrated

Question 22

which descriptions refers to the biphasic GI examination?

Answer 22

combination single-contrast and double-contrast study of the upper GI tract

Question 23

which body habitus produces the greater visceral movement when a patient is moved from prone position to the upright position

Answer 23

asthenic

Question 24

for the PA projection as part of the UGI examination why should the lower lungs fields be included on a 14 x 17 IR?

Answer 24

to demonstrate a possible hiatal hernia

Question 25

for the double contrast UGI examination, which projection produces the best image of a gas-filled duodenal bulb and pyloric canal?

Answer 25

AP oblique projection, recumbent LPO position

Question 26

For the single contrast UGI examination with the patient recumbent, which projection produces the best images of a barium filled pyloric canal and duodenal bulb in patients whose habitus approximates the sthenic type

Answer 26

PA oblique projection RAO position

Question 27

For the UGII examination with the patient recumbent which projections best stimulates gastric peristalsis to demonstrate the pyloric canal and duodenal bulb better?

Answer 27

PA oblique projection RAO position

Question 28

which breathing technique procedure should the patient perform when UGI images are exposed?

Answer 28

suspended expiration

Question 29

for the double-contrast UGI examination with the patient recumbent, which projection produces the best image of a gas filled fundus

Answer 29

PA oblique projection RAO position

Question 30

for the UGI examination with the patient recumbent which projection best demonstrates the right retrogastric space?

Answer 30

right lateral projection

Question 31

For the AP projection with the patient supine ( as part of the UGI exam) which procedure should demonstrate best a diaphragmatic herniation (hiatal hernia)?

Answer 31

tilt the table and patient into a full Trendelenburg position

Question 32

To which level of the patient should the central ray be directed for the PA oblique projection, RAO position as part of the UGI exam?

Answer 32

L1-L2

Question 33

Which examinations of the alimentary canal requires that a series of images be taken specific times intervals

Answer 33

small bowel series

Question 34

which structures when visualized on an image as part of the small bowel series, usually indicates the completion of the examination

Answer 34

cecum

Question 35

what is the proper sequence for filling the large intestine with barium when performing a BE?

Answer 35

rectum, sigmoid, descending colon, transverse colon, and ascending colon

Question 36

which instructions should be given to the patient if cramping is experienced during filling of the large intestine for a BE?

Answer 36

concentrate on deep oral breathing

Question 37

before the enema tip is inserted during a BE, why should a small amount of barium sulfate mixture be allowed to run into a waste basin?

Answer 37

to remove air from the tube

Question 38

which procedure should be accomplished when inserting the enema tip for a BE?

Answer 38

ensure that the tip

Question 39

which structures of the large intestine are of primary interest with AP axial or PA axial projection during a BE?

Answer 39

sigmoid and rectum

Question 39

rectum how many degrees and in which direction should the central ray be directed for the PA axial projection during a BE?

Answer 39

30 to 40 degrees caudal

Question 39

which structures of the large intestine is of primary interest for the PA oblique projection RAO position during BE examinations

Answer 39

right colic flexure

Question 40

which two obliques projections can be performed to demonstrate best the left colic flexure during a BE?

Answer 40

PA oblique projection LAO position, AP oblique projection RPO position