Trans - Plain and Contrast X Ray Studies Flashcards Preview

[OS 206] 1st Exam > Trans - Plain and Contrast X Ray Studies > Flashcards

Flashcards in Trans - Plain and Contrast X Ray Studies Deck (39)
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1

gas appears as what color in xrays

black

2

fat appears as what color in xrays

dark gray

3

soft tissue/fluid appears as what color in xrays

light grey

4

bone/calcifications appear as what color in xrays

white

5

metal appears as what color in xrays

intense white

6

nothing per orem is required how many hours before examination

4-6 hours

7

why is NPO required

for better absorption of contrast media

8

what to examine in radiology of the abdomen

1. gas pattern
2. extraluminal air
3. soft tissue masses
4. calcifications
5. foreign bodies

9

gas present in GIT is from:

swallowed air and bacterial production

10

T/F: there is always gas in the stomach

T, it forms the gastric bubble

11

T/F: gas is often absent in the rectum and sigmoid due to the presence of feces

F

12

the primary structures in the abdomen that are outlined in radiology are the:

1. solid organs - liver, kidneys, spleen
2. hollow organs - GI tract

13

the contrast material used for abdominal studies is

barium sulfate

14

what volume of barium sulfate is ingested to image the GIT

1L of barium, plus 250cc midway

15

in a normal esophagogram, what is the texture of the visible wall

smooth

16

a normal esophagus that is not swallowing anything will appear ________ in radiology

collapsed

17

Difference of haustrae from plicae circulares in radiology

Haustral markings do not extend from wall to wall, plicae circulares markings do.

18

Small bowel obstructions are usually characterized by:

Stretched small bowel

19

Resting gastric fluid forming a pool in the fundus on the left-hand side

Gastric pseudotumor

20

Appearance of jejunum in radiology

Featherlike

21

Appearance of ileum in radiology

Springlike

22

Calcified fecal material in appendix that predisposes the patient to arthritis

Appendecolith

23

Highest points of the colon on the left and the right sides

Right side - hepatic flexure
Left side - splenic flexure

24

What flexure is more superior, hepatic or splenic?

Splenic flexure

25

Mobile areas of the colon

Transverse colon
Sigmoid colon

26

Which kidney is more superior?

Left kidney

27

T/F: The kidneys are immobile

F

28

T/F: The bladder is anterior to the kidneys

T

29

Appearance of the liver in radiology

Homogenous mass of soft tissue

30

Appearance of bladder in radiology

Solid organ due to the presence of fluid