Ch. 38 Principles abdominal radiology

Question 1

Answer 1

b) Only when looking for small masses or mineralizations

Question 2

Answer 2

b) It alters the native pattern of bowel gas and fluid

Question 3

Answer 3

c) No specific preparation is recommended

Question 4

Answer 4

b) Enema administration before radiography

Question 5

Which view is best for identifying pyloric foreign body?

Answer 5

Left lateral - there may be gas in the pylorus to highlight the FB

Question 5

Answer 5

b) Decrease kVp by 15%

Question 5

Answer 5

b) Increased use of ultrasound for abdominal assessment

Question 6

Answer 6

b) Reposition the pelvic limbs to a frog-leg position

Question 6

Answer 6

b) To reduce crowding in the abdominal cavity

Question 6

Answer 6

b) When the stomach is moderately distended and contains both gas and fluid

Question 7

Answer 7

c) It increases the incidence of duodenal gas

Question 8

Answer 8

Question 8

Answer 8

Question 9

Answer 9

Question 9

Answer 9

Question 10

Answer 10

Question 10

Answer 10

Question 10

Answer 10

Question 11

Answer 11

Question 12

Answer 12

c) It improves visualization of low contrast tissues

Question 12

Answer 12

b) Low kVp/high mAs

Question 12

Answer 12

a) Short scale of contrast with few gray shades (and more black/white)

Question 13

Answer 13

Question 14

Answer 14

Question 15

Answer 15

Question 16

Answer 16

Question 17

Answer 17

Question 18

Answer 18

Question 19

Answer 19

Question 19

How do you distinguish jejunal crowding due to foreign body from excessive mesenteric/omental fat?

Answer 19

It will be caused by plication, so most likely will see other signs of FB e.g. eccentric gas bubbles, foreign material anchored in pyloric antrum

Question 20

Answer 20

b) Cats

Question 21

Answer 21

b) Left limb of the pancreas