EXAM NA 111

Question 1

is also known as your sensitivity center, also known as a contaminant in the silver halide crystals

Answer 1

Silver Sulfide

Question 2

silver halide crystals is inside the?

Answer 2

emulsion

Question 3

type of film that uses intensifying screen

what do intensifying screens do?

Answer 3

-Screen films
-Intensifying screen convert x rays to light photons, to visible light

Question 4

Films that uses intensifying screen uses —— to make your image

Answer 4

light

Question 5

——-to form an image it needs x ray lang,

Answer 5

Direct exposure Film-

Question 6

-device that converts the energy of the x ray beam into visible light

Answer 6

-Intensifying screen

Question 7

-Visible light then interacts with the radiographic film, forming the —-

Answer 7

latent image

Question 8

sa film ano ang active ingredient natin

Answer 8

silver halide crystals

Question 9

Sa intensifying screen ang active ay

Answer 9

phosphor

Question 10

• It displays the radiographic density.
• Photosensitive, or capable of responding to exposure by photons

Answer 10

Film

Question 11

Sensitive to the wavelengths and energies that comprise most of the electromagnetic spectrum of both light and x-rays.

Answer 11

Film

Question 12

• Hard gelatin
• Protects emulsion from scratches, pressure, and contamination during handling, processing, and storage.
• Designed to be

Answer 12

Overcoat, antistatic

Question 13

——is designed to glue the emulsion to the base and prevent bubbles or other distortion when the film is bent during processing or handling, or when it is wet and heated during development.

2 answers

Answer 13

Adhesive, substratum coating

Question 14

Foundation of the radiographic film

Answer 14

Base

Question 15

The base is made out of

Answer 15

Polyester

Question 16

BASE
• Film base characteristics/properties

Answer 16

Flexible and tough
-Stable (Dimensional Stability)
-Rigid
-Uniformly lucent

Question 17

Once the X rays hit the — it converts —- into —- —-

Answer 17

Intensifying screen, X rays, light photons

Question 18

2. These light photons then interact with the —- specifically in the —— which contains ——

Answer 18

emulsion, silver halide crystals

Question 19

3. Active ingredient in the film is?

Answer 19

Silver halide

Question 20

4. ngayon pag the light photons interact with the silver halide crystals it will cause them to release —— etong —— ay —— charged

Answer 20

secondary electrons x2, negatively charged

Question 21

3.2 These silver halide crystals are made up of —— & ——-

Answer 21

Silver bromide and Sliver Iodide

Question 22

5. These negatively charged electron move towards and gets trapped in the —— of the crystals when that happens the —— gets negatively charged as well

Answer 22

Sensitivity center

Question 23

6. So now, because the sensitivity center is negatively charged, it attracts the —— —— ——

Answer 23

positively charged silver ions

Question 24

Pag the silver ions(+) are attracted to the sensitivity center, they —- and become —- this disruption causes the silver halide crystal —— to break apart

Answer 24

neutralize, neutral, lattice

Question 25

When the lattice is broke apart, the iodine and bromine are released and move into the ——- of the film, leaving behind material which is ——-

Answer 25

gelatin layer, metallic silver

Question 26

When the film is processed only the ——— remains forming the visible image on the film

Answer 26

Metallic silver

Question 27

During manufacturing dye is a added to the base of most radiographic film to slightly tin the film —-

Answer 27

Blue

Question 28

Why is the base slightly tinted blue

Answer 28

This coloring reduces eye strain, fatigue and enhances radiologists diagnostic efficiency and accuracy