Medical Xray Fim

Question 0

Discovered chemical development

Answer 0

Louis Daguerre

Question 1

Discovered permanent photography

Answer 1

Joseph Nicephore Niepce

Question 2

Discovered wet collodion process

Answer 2

Frederick Scott Archer

Question 3

Invented gelatin silver bromide dry plate

Answer 3

Richard L. Maddox ( 1871 - England)

Question 4

Invented a plate coating machine

Answer 4

George Eastman - 1879 (USA)

Question 5

Discovered xray

Answer 5

Wilhelm Conrad Roentgen (1895 - Germany)

Question 6

First paper designed for xray

Answer 6

Kodak ( 1896)

Question 7

He made a plate w/ thicker silver bromide emulsion

Answer 7

Dr. Carl Schleussner, 1896 - Germany

Question 8

Introduced a double coated film used w/ intensifying screen

Answer 8

Dr. Max Levy, 1897 - Germany

Question 9

Construction of a medical xray film :

Answer 9

Base
Adhesive
Emulsion
Supercoat

Question 10

High tensile strength

Answer 10

Polyester

Question 11

Thickest part

Answer 11

Base

Question 12

Thin coat of gelatin

Answer 12

Adhesive (Substralum)

Question 13

Heart of xray film

Answer 13

Emulsion

Question 14

Protective part

Answer 14

Supercoat

Question 15

Range of frequency which an electromagnetic radiation propagate

Answer 15

Electromagnetic Spectrum

Question 16

Range of wavelength which an unaided human eye can perceive wavelength changes

Answer 16

Visible spectrum

Question 17

Apparent displacement of an image

Answer 17

Parallex error

Question 18

Use to record the image and made up of suspension of light sensitive salts

Answer 18

Emulsion

Question 19

Principal material used for film emulsion

Answer 19

Silver Halide Crystal

Question 20

2 silver halided crystals used for xray type film

Answer 20

Silver iodide

Silver Bromide

Question 21

Range of wavelength of electromagnetic radiation that the film will respond

Answer 21

Spectral Sensitivity

Question 22

Wavelength which the film will exhibit its highest response

Answer 22

Peak sensitivity

Question 23

Wavelength beyond which the film os no longer sensitive

Answer 23

Cut off sensitivity

Question 24

Has natural sensitivity that ends at the blue region

Answer 24

AgBr (Silver Bromide)

Question 25

Emits blue light

Answer 25

Calcium Tungstate IS

Question 26

Emits green light

Answer 26

Rare Earth Screen / Oxysulfide

Question 27

To create films w/ increased sensitivity ( green light) that was introduced by Vogel

Answer 27

Spectral Sensitizing

Question 28

Process of extending the sensitivity of silver bromide crystal

Answer 28

Spectral Sensitizing

Question 29

Types of film according to sensitivity

Answer 29

Monochromatic Orthochromatic Panchromatic

Question 30

Blue sensitive film

Answer 30

Monochromatic

Question 31

Green sensitive film

Answer 31

Orthochromatic

Question 32

Sensitive to all colors

Answer 32

Panchromatic

Question 33

2 types of grains

Answer 33

Globular grains | Tabular grains

Question 34

Spherical in shape, bigger volume. Use for blue sensitive film

Answer 34

Globular

Question 35

Provides bigger surface but smaller volume , less silver, green sensitive

Answer 35

Tabular Grain

Question 36

Measures how sensitive / effective the xray film is

Answer 36

Speed

Question 37

The difference of the black and white

Answer 37

Contrast

Question 38

The apparent clumping of the crystal as seen on the radiograph

Answer 38

Graininess

Question 39

Average grain is

Answer 39

1 micrometer

Question 40

Binds the silver halide crystal

Answer 40

Binder

Question 41

First binder use

Answer 41

Collodion

Question 42

It means formation of water

Answer 42

Gelata

Question 43

It comes from collagen fiber and it is the modern use

Answer 43

Gelatin

Question 44

Very good in absorbing light photons

Answer 44

Dye

Question 45

Films that have emulsion layer coated in both sides

Answer 45

Duplitized / Double coated film

Question 46

Used w/ IS

Answer 46

Screen type film

Question 47

Standard type

Answer 47

Contrast

Question 48

Fine grain w/ good image

Answer 48

Half speed

Question 49

Opposite of contrast , low contrast and useful exposure range

Answer 49

Latitude

Question 50

Thicker emulsion layer Higher resolution Requires higher exposure factor

Answer 50

Non screen type film / Direct exposure film

Question 51

Film that have emulsion layer coated on only one side.

Answer 51

Single - coated film

Question 52

Image produced by the reflected light that pass through the emulsion layer

Answer 52

Halation