Key Terms for Radiography

Question 1

William Conrad Roentgen

Answer 1

1895 Discovered x-rays

Question 2

Edmond Kells

Answer 2

first dental x-ray in America

Question 3

Otto Walkoff

Answer 3

Made the first dental radiograph

Question 4

X-ray

Answer 4

Radiant energy that has the power to penetrate and record shadow images on photographic film

Question 5

Atom

Answer 5

tiny invisible particle that is fundamental unit matter

Question 6

Proton

Answer 6

Positively charged particle with a mass of one

Question 7

Electron

Answer 7

negatively charged particle found outside of the nucleus in the atom.

Question 8

Neutron

Answer 8

uncharged particle

Question 9

Matter

Answer 9

anything that occupies space and has mass

Question 10

Electromagnetic Radiation

Answer 10

wavelike energy through space of matter

Question 11

Ionization

Answer 11

The production of Ions

Question 12

Velocity

Answer 12

Speed/ the speed of a wave

Question 13

Wavelength

Answer 13

distance between one crest wave to the next crest wave

Question 14

Frequency

Answer 14

The number of wavelength that pass a given point at a certain time.

Question 15

Cathode

Answer 15

*Negative side of the x-ray tube

*Negative terminal

Question 16

Anode

Answer 16

*Positive terminal

*Positive side of the x-ray tube

Question 17

Tungsten Target

Answer 17

*(+)

*converts BOMBARDING electrons into x-ray /photons

Question 18

Tungsten Filament

Answer 18

*(-)

*Coiled wire of tungsten

*Produces electrons when heated

Question 19

Molybdenum “ Focusing “ cup

Answer 19

• (-)

*directs electrons to the tungsten target.

Question 20

Collimator

Answer 20

*A diaphragm

*Usually made of lead

*Used to restrict the size of the x-ray beam.

Question 21

Aluminum Filter

Answer 21

metal sheet placed in the x-ray machine

Question 22

Inherent Filter

Answer 22

Built-in parts of the x-ray machine that filter radiation

Question 23

Added Filter

Answer 23

Extra filters added to improve safety

Question 24

Total Filtration

Answer 24

the total amount of filtering in an x-ray machine

Question 25

Focal Spot

Answer 25

The exact place where x-rays are made

Question 26

Step-Up Transformer

Answer 26

Increases voltage to produce strong X-rays

Question 27

Copper Stem

Answer 27

Helps cool the x-ray machine

Question 28

Step- Down Transformer

Answer 28

Lowers voltage to control electricity flow

Question 29

Primary Radiation

Answer 29

The main x-ray beam used for imaging

Question 30

Secondary Radiation

Answer 30

X-ray beam that scatters after hitting objects