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Radiology > Second semester Digestive system self test > Flashcards

Second semester Digestive system self test Flashcards

1
Q

What is the first division of the digestive system?

A

Mouth

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2
Q

Which salivary gland is the largest?

A

Parotid

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3
Q

Which salivary glands are the smallest?

A

Sublingual

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4
Q

Which salivary glands are located along the lateral aspect of mandibular ramus

A

parotid

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5
Q

Which salivary duct opens into the oral vestibule opposite the second upper molar?

A

Parotid

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6
Q

Which 2 imaging modalities have greatly reduced the frequency of sialography?

A

CT & MRI

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7
Q

For sialography into which structure is the contrast medium injected?

A

salivary duct

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8
Q

which sialographic projection directs the central ray along the mandibular ramus?

A

tangential projection

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9
Q

which sialographic projection demonstrates a parotid gland SI over a mandibular ramus

A

Lateral projection

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10
Q

which 2 sialoraphic projections BD the parotid gland

A

tangential and lateral

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11
Q

which gland is demonstrated with tangential projections

A

parotid

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12
Q

which sialographic projection demonstrates parotid and submanibular glands

A

lateral projection

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13
Q

which salivary gland can be demonstrated with a lateral projection when the patients head is adjusted so that the midsagital plane is rotated approx 15 degrees toward the IR from the true lateral and the CR is directed to .1” above the mandibular ramus?

A

Parotid

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14
Q

which salivary gland can be demonstrated with a lateral projection when the patients head is positioned true lateral and a perpendicular CR is directed to the inferior margin of the mandibular angle

A

submandibular

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15
Q

for the lateral projection demonstrating the submandibular gland what is the purpose of pressing the tongue to the floor of the mouth

A

to displace the submandibular gland below the mandible

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16
Q

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

A

hypersthenic

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17
Q

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

A

Lesser

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18
Q

which area is the most superior part of the stomach

A

fundus

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19
Q

which area is the most inferior part of the stomach

A

pylorus

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20
Q

the distal esophagus empties its contents to which of the following

A

cardic antrum

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21
Q

which opening is located between the stomach and small intestine

A

pyloric orifice

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22
Q

which opening is at the distal end of the small intestine

A

ileocecal orifice

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23
Q

which structure is the proximal part of the small intestine

A

duodenum

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24
Q

what structure is the distal part of the small intestine

A

ileum

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25
Q

in which abdominal region does the large intention originate

A

right iliac

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26
Q

which structure is the proximal part of the large intestine

A

cecum

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27
Q

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

A

transverse

28
Q

what structure is located between the ascending colon and the transverse colon

A

right colic flexure

29
Q

where in the L intestion is the L colic flexure located?

A

between the transverse colon and the descending colon

30
Q

what structure is the pouch like part of the L intestine situated below the junction of the ileum and the colon

A

cecum

31
Q

where in the large intestine is the sigmoid located?

A

between the descending colon and rectum

32
Q

approx how long does it take the first part of the barium meal to reach the ileocecal valve

A

2-3 hours

33
Q

approx how long does it take a barium meal to reach the rectum

A

24 hrs

34
Q

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

A

fluoroscopy and radiography

35
Q

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

A

barium sulfate suspension

36
Q

to demonstrate swallowing function best what position should the patient be placed to begin the fluroscopic phase of a single contrast examination of the esophagus

A

upright

37
Q

which 2 recumbent oblique positions can be used to BD an obstructed image of barium filled esophagus between the vertebrae and the heart

A

RAO LPO

38
Q

which of the following is a major advantage of a double contrast UGI examination over single contrast

A

small lesions on the mucosal lining are better demonstrated

39
Q

which description refers to the biphasic GI examination

A

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

40
Q

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

A

asthenic

41
Q

for the PA projection as part of the UGI examination why should the lower lung fields be included on a 14”x17” radiation field

A

to demonstrate a possible hiatal hernia

42
Q

for the double contrast UGI examination which proj produces the best image of a gas filled duodenal bulb and pyloric canal

A

APO recumbent LPO

43
Q

for the single contrast UGI w/ pt recumbent which projection produces the best image of a barium filled pyloric canal and duodenal bulb in pts whose habitus approximates the sthenic type

A

PAO projection RAO position

44
Q

for the UGI examination with the patient recumbent which projection best stimulates gastric peristalsis to demonstrate the pyloric canal and duodenal bulb better

A

PAO projection RAO position

45
Q

which breathing procedure should the pt perform when UGI images are exposed

A

suspended expiration

46
Q

for the double contrast UGI with the pt recumbent which projection produces the best image of a gas filled fundus?

A

PAO projection RAO position

47
Q

for the ugi examination w the pt recumbent which projection BD the right retrogastric space

A

R lateral projection

48
Q

for the ap projection with the pt supine as part of the ugi exam which procedure should be performed to demonstrate best a diaphragmatic herniation hiatal hernia

A

tilt the table and pt into a full trendelenburg position

49
Q

to which level of the pt should the CR ve directed for the PA oblique projection RAO position as part of the UGI examination

A

L1-L2

50
Q

which examination of the alimentary canal requires that a series of images be taken at a specific time intervals after the ingestion of the contrast medium

A

Small bowel Series

51
Q

For a small series of a patient with hypomotility of the small intestine which proeceure should be performed to accelerate peristalsis

A

Drink a glass of ice water

52
Q

which structure when visualized on an image as part of a small bowel series usually indicated the completion of the exam?

A

cecum

53
Q

what is the proper sequence for filling the L intestine w barium when performing a BE

A

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

54
Q

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

A

deep oral breathing

55
Q

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

A

to remove air from the tube

56
Q

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

A

ensure the tip is inserted no more than 3 1/2”- 4”

57
Q

for the PA projection during a BE what is the advantage of placing the x-ray table and pt in a slight trendelenberg position

A

to help separate overlapping loops of the distal bowel

58
Q

how many degrees and in what directions should the CR be directed for PA Axial projection during a BE

A

30-40 degrees caudal

59
Q

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

A

sigmoid and rectum

60
Q

which structure of the L intestine is of primary interest for PAO projection RAO position during BE exam

A

R colic flexure

61
Q

which 2 oblique projections can be performed to demonstrate best the left colic flexure during a BE

A

PAO projection LAO position and APO RPO position

62
Q

which structure of the large intestine is BD if pt is rotated 45 degrees from a supine position to move the right side of the abdomen away from the x-ray table during a BE

A

R colic flexure

63
Q

for the right lateral decubitus position as part of a BE which procedure should be done to ensure that the ascending colon is demonstrated in the image

A

Elevate the pt on a radiolucent support

64
Q

Which BE projection requires a 10x12” lengthwise exposure field or CR plate be centered to the level of the ASIS

A

lateral

65
Q

which BE projection doesn’t require colic flexures be included in the image

A

lateral

Radiology (13 decks)

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