Contrast Media

Question 1

Paste Mixture

Answer 1

3/4 barium sulfate 1/4 water

Question 2

substances having high or low atomic numbers compared having adjacent structures

Answer 2

Contrast Media

Question 3

Thick Mixture

Answer 3

1/2 barium sulfate 1/2 water

Question 4

• substance that partially absorb x-ray
• it appears black on the radiograph

Answer 4

RADIOLUCENT OR NEGATIVE CONTRAST AGENTS

Question 5

Barium Enema

Answer 5

Thin Mixture

Question 6

Cardiac Series

Answer 6

Thick mixture

Question 7

It cannot be dissolves in water

Answer 7

Colloidal Suspension

Question 8

Administered to the body to fill on the hollow organs and make it visible to the film.

Answer 8

Contrast Media

Question 9

Most commonly used air contrast media?

Answer 9

1. Calcium Carbonated Crystal (Gastroluft)
2. Magnesium Citrate
3. Room air
4. Carbonated beverages

Question 10

What are the methods of administration of Contrast media?

Answer 10

1. Oral
2. Parenteral ( Intravenous, Intrathecal, Intra-arterial)
3. Intubations (T-tubes, nasograstic)
4. Rectal (Catheters)

Question 11

Thin Mixture

Answer 11

1/4 barium sulfate 3/4 water

Question 12

U.G.I.S

Answer 12

Thick mixture

Question 13

Milk Mixture

Answer 13

2 tbsp. barium sulfate 1 glass water

Question 14

What are the purpose of scout film?

Answer 14

1. To check for the proper preparation of the patient.
2. To check for the correct position of organ to be examined.
3. To draw out the presence of foreign bodies and other calcification
4. To compare the film with contrast media with that of the scout film.
5. To adjust the correct factor to be used.
6. To localize the exact localization point.

Question 15

Substance that absorb x-ray

Answer 15

RADIOPAQUE OR POSITIVE CONTRAST AGENTS

Question 16

Esophagram

Answer 16

Paste mixture

Question 17

What are the common substances as Contrast Media?

Answer 17

1. Air and Gases
2. Heavy Metallic Salts
3. Inorganic Iodides
4. Organic Iodides
5. Iodized Oil (Abosorbable)
6. Iodized Oil (Non-absorbable)

Question 18

What are the forms of Contrast Media?

Answer 18

1. Solution
2. Tablet
3. Granules or powder

Question 19

uses two kinds of c.m. in different manner of introduction.

Answer 19

Dual contrast study

Question 20

What are the 2 types of Contrast Media?

Answer 20

1. Radiolucent
2. Radiopaque

Question 21

a small amount of c.m. is used just to coat or paint the lining membrane of the hollow organ under study.

Answer 21

Mucosal phase study

Question 22

uses two kind of contrast media.

Answer 22

Double contrast study

Question 23

a full dose of c.m. is used for study of general outline, shape, size, position as well as the anatomical contour and morphological deformities.

Answer 23

Filling phase study

Question 24

Render white image on the film because it is positive contrast media having a high atomic number.

Answer 24

BARIUM SULFATE (BaSO4)

Question 25

also called survey films, preliminary film, plain film, and initial film.

Answer 25

Scout Film

Question 26

What are the qualities of good contrast media?

Answer 26

1. It must clearly show the structure creating a different marked contrast with the density of the surrounding tissue. 2. It must be physiologically inert. 3. It must produced as little toxicity as possible to the patient. 4. It must be eliminated unchanged

Question 27

A non absorbable contrast media, it causes constipation when it stays for a long period of time inside the colon.

Answer 27

BARIUM SULFATE (BaSO4)

Question 28

What are the types of radiographic contrast study?

Answer 28

1. Single Contrast Study 2. Double Contrast Study 3. Dual Contrast Study 4. Mucosal Phase Study 5. Filling Phase Study

Question 29

uses one kind of contrast medium.

Answer 29

Single contrast study

Question 30

What are the rules in giving contrast media?

Answer 30

1. Be sure that you have the right patient by asking the name and carefully checking the name in the chart. 2. Be sure that you have the right contrast media at the right time before doing the procedures. 3. Be sure that you have the right contrast media and the right amount. 4. Never hold the tablet or powder form contrast media with your bare hands. 5. Record on the chart of the patient the amount of contrast media used and write initial on the chart.

Question 31

What are the disadvantages in using Barium sulfate?

Answer 31

1. Colloidal Suspension 2. Contra-indication

Question 32

S.I.S

Answer 32

Thick mixture

Question 33

What are the qualities of Barium sulfate?

Answer 33

1. High atomic number 2. Relatively cheap 3. Less irritating 4. Non-absorbable