DANB

Question 1

The maximum dose of radiation that, in light of present knowledge, would not be expected to produce negative effects in a life.

Answer 1

MPD Maximum permissible dose

Question 2

The negative terminal of an x-ray tube

Answer 2

Cathode

Question 3

Short wavelengths with high frequency, high energy and high penetrating power

Answer 3

Hard radiation

Question 4

wavelengths that have low energy, low frequency and are unsuitable for exposing dental radiographs.

Answer 4

long wavelengths

Question 5

Radiation wavelengths that have high frequency, high energy and high penetrating power, also known as hard radiation

Answer 5

Short wavelengths

Question 6

the radiation comes out in all directions from the tube or tube head due to malfunction or leak.

Answer 6

Leakage radiation

Question 7

Central beam of the x-ray tube head

Answer 7

Primary radiation

Question 8

Time elapsed between exposure and response.

Answer 8

Latent period

Question 9

Radiation that is deflected from its path as it strikes matter.

Answer 9

Scatter Radiation

Question 10

Formed when the primary x-ray strikes the patient or come in contact with any matter or substance.

Answer 10

Secondary Radiation

Question 11

The system international unit of absorbed dose of ionizing radiation.

Answer 11

Radiation absorbed or gray dose.

Question 12

Amount of ionizing radiation absorbed in a substance.

Answer 12

Radiation absorde dose RAD

Question 13

Part of dental x-ray unit that houses the coolidge, vacuum tube, filtres, collimator and cone

Answer 13

X-ray tube

Question 14

the primary x-ray emitting from the x-ray tube head

Answer 14

cental beam

Question 15

The degree of darkness on an x-ray

Answer 15

Density

Question 16

Film used inside the oral cavity

Answer 16

Intraoral

Question 17

Black region on the x-ray indicating where radiation passed through the tissue

Answer 17

Radiolucency

Question 18

Area on the anode that electrons hit during x-ray production.

Answer 18

Focal spot

Question 19

Process by wich atoms channge into negative or positive charde ions during radiation

Answer 19

Ionization

Question 20

Determines the amount of radiation exposure the patient receives.

Answer 20

mAs Milliamperage seconds

Question 21

Discovery by Wilhem Conrad Roentgen in 1895

Answer 21

x-ray

Question 22

Glass Vacuum tube with electrial circut connected to each end

Answer 22

Hittorf crookes Tube

Question 23

Negatively charged particles

Answer 23

Cathode Rays

Question 24

Some of the deepest cells in the dermis

Answer 24

Basal cells

Question 25

ALARA - The principle of keeping radiation exposure.

Answer 25

As low as reasonably achievable

Question 26

Long wavelengths with low energy, low frequency and low penetrating power also called Grenz rays

Answer 26

Soft radiation

Question 27

A radiation unit of measurements

Answer 27

Sievert (Sv)

Question 28

A radiation unit of measurements

Answer 28

Roentgen Equivalent Man (REM)

Question 29

The amount of radiation that ionizes one cubic centimeter of air.

Answer 29

Roentgens (R)

Question 30

Milliroentgen (Mr)

Answer 30

one thousandth of a roentgen.

Question 31

Electromagnetic energy

Answer 31

A form of energy that is the result of electric and magnetic disturbances in space

Question 32

Condition of being sensitized and affected by radiant energy

Answer 32

Radiosensitive

Question 33

Dr Otto Walkoff

Answer 33

Took the first x-ray 1895 (two weeks after x-rays discovered)

Question 34

device used to eliminate peripheral radiation

Answer 34

collimator

Question 35

Device on a radiagraphy machine where settings can be adjusted

Answer 35

Control panel

Question 36

unit of electrical potential equal to 1,000 volts, dental kilovoltage is responsible for the quality of radiographs.

Answer 36

Kilovoltage (Kv)

Question 37

Measurement unit for the electrical current. Determines amount or quantity of electrons

Answer 37

Milliamperage (mA)

Question 38

Computer generated "Digits (Binary numbers) to produce an image.

Answer 38

Digital imaging

Question 39

Panoramic Technique

Answer 39

Developed 1959 by Dr YV Paatero

Question 40

PID Position indicatior device

Answer 40

the open - ended tube in a dental x-ray unit "the cone"

Question 41

First intraoral x-rays and new orlenas in 1896

Answer 41

Dr Edmond Kells

Question 42

Difference between shades or colors

Answer 42

Contrast

Question 43

Measurement unit used to compare the biological effects of different tissues by different forms of radiation.

Answer 43

Relative Biological Effectiveness (rbe)

Question 44

Area on the anode that directs the electrons to the focal spot during x-ray production

Answer 44

focusing cup

Question 45

the positive terminal of on electrolytic cell

Answer 45

Anode