Contrast Media

Question 1

Types of contrast media

Answer 1

Radiopaque

Radiolucent

Question 2

Substances that absorbs xray

Answer 2

Radiopaque

Question 3

Substance that partially absorbs xray / black on the radiograph

Answer 3

Radiolucent

Question 4

Common substances used as contrast media

Answer 4

Air and gases
Heavy metallic salts
Inorganic Iodides
Organic Iodides
Iodized Oil (Non-absorbable)
Iodized Oil (absorbable)

Question 5

Used in pneumoencephalography

Answer 5

Oxygen and Carbon dioxide

Question 6

Used in Barium Enema and Gastrointestinal Series

Answer 6

Barium sulfate

Question 7

Used in Pyelography or urography

Answer 7

Sodium
Potassium
Silver Iodide

Question 8

Used in Cholecystography and angiography

Answer 8

Telepaque

Iopanoic Acid

Question 9

Used in examination of salivary glands

Answer 9

Lipiodol and Iodochlorol

Question 10

Used in bronchography

Answer 10

Pantopaque and dionosil

Question 11

Most commonly used air contrast media

Answer 11

Calcium Carbonated crystal
(Gastroluft)
Magnesium Citrate

Room air
Carbonated beverages

Question 12

Qualities of good contrast media

Answer 12

Clearly show structure
Physiologically inert
Produced little toxicity
Eliminated unchanged

Question 13

Forms of contrast media

Answer 13

Solution (oil or water soluble)
Tablet
Granules or powder

Question 14

Methods of administering CM

Answer 14

Oral
Parenteral
Intubation
Rectal

Question 15

Through spinal cord

Answer 15

Intrathecal

Question 16

Render white image because of positive CM having high atomic number

Answer 16

Barium sulfate

Question 17

Ba have the atomic no. of

Answer 17

56

Question 18

I have the atomic no. of

Answer 18

53

Question 19

BaSO4 have atomic nunber of

Answer 19

64

Question 20

Types of BaSO4 mixture

Answer 20

Paste
Thick
Thin
Milk

Question 21

3/4 BaS04 w/ 1/4 water

Answer 21

Paste mixture

Question 22

1/2 BaS04 w/ 1/2 water

Answer 22

Thick mixture

Question 23

1/4 BaS04 w/ 3/4 water

Answer 23

Thin mixture

Question 24

2 tbsp BaS04 w/ a glass of water

Answer 24

Milk mixture

Question 25

For pedia mixture

Answer 25

Milk mixture

Question 26

Esophagram

Answer 26

Paste mixture

Question 27

Cardiac series

Answer 27

Thick mixture

Question 28

UGIS

Answer 28

Thick mixture

Question 29

SIS

Answer 29

Thick mixture

Question 30

Barium enema

Answer 30

Thin mixture

Question 31

Qualities of barium sulfate

Answer 31

High atomic number Relatively cheap Less irritating Non absorbable

Question 32

Disadvantages in BaSO4

Answer 32

Colloidal suspension | Contra-indication

Question 33

Cannot be dissolved in water

Answer 33

Colloidal suspension

Question 34

Perforation is suspected or patient is schedule for surgery

Answer 34

Contra indication

Question 35

Type of radiographic contrast study

Answer 35

``` Single Double Dual Mucosal phase Filling phase ```

Question 36

Uses one kind of CM

Answer 36

Single contrast study

Question 37

Uses two kinds of CM

Answer 37

Double contrast study

Question 38

Uses 2 kinds but different manner

Answer 38

Dual contrast study

Question 39

Used to coat or paint the lining membrane

Answer 39

Mucosal phase study

Question 40

Used for study of general outline

Answer 40

Filling phase study

Question 41

Also called survey film , preliminary film , plain film and initial film

Answer 41

Scout film

Question 42

Substances having high or low atomic numbers administered to the body

Answer 42

Contrast media