Radiography Test

Front 1

(Blank) is a process by which electrons are removed from electrically stable atoms

Back 1

Ionization

Front 2

The primary components of a dental x-ray machine are the

Back 2

(All of the above) tubehead, PID, extension arm

Front 3

The name of the negative electrode inside of the X-ray tube is the?

Back 3

Cathode

Front 4

The name of the positive electrode inside the X-ray tube is the?

Back 4

Anode

Front 5

What is located on the X-ray control panel?

Back 5

Milliamperage mA selector

Front 6

What are the types of radiation

Back 6

(A and B) primary and secondary

Front 7

The structure that appears dark on a processed radiograph is

Back 7

Radiolucent

Front 8

The structure that appears light on the processed radiograph is

Back 8

Radiopaque

Front 9

Density is the

Back 9

Overall darkness of a processed radiograph

Front 10

The term of the process for the harmful effects of X-ray is

Back 10

Ionization

Front 11

The period of time between X-ray exposure and the appearance of symptoms is the

Back 11

Latent period

Front 12

Radiation that is passed on to future generations is

Back 12

The genetic effect

Front 13

The maximum permissible dose of radiation for occupationally exposed persons is

Back 13

5.0 rem per year

Front 14

The purpose of the collimator is to

Back 14

Restrict the size of primary beam

Front 15

The purpose of the aluminum filter is to

Back 15

Remove the low energy, log wavelength rays

Front 16

Which patient should wear a lead apron or thyroid collar

Back 16

All of them

Front 17

What is the purpose for personnel monitoring

Back 17

To record the amount of radiation the operator receives

Front 18

What is the purpose for equipment monitoring

Back 18

To check radiation leakage

Front 19

What states that “all exposure to radiation should be kept to a minimum” or “as low as reasonably achievable”

Back 19

The ALARA concept

Front 20

What is the purpose of using a PID (position indicator device)

Back 20

To direct the X-ray beam

Front 21

How does a film holder protect the patient from unnecessary radiation

Back 21

It keeps the patients’ hands and fingers from being exposed to x radiation

Front 22

Describe a basic type of film holder

Back 22

Bite block with a backing plate and a slot for retention

Front 23

Name a component of an intraoral film

Back 23

Film emulsion

Front 24

The image on the film before it is processed is the

Back 24

Latent image

Front 25

Which side of the film faces towards the tube

Back 25

Plain side

Front 26

What size film is used for posterior periapical radiographer

Back 26

2

Front 27

What size of film is used for occlusal

Back 27

4

Front 28

Describe the types of extra oral film cassettes

Back 28

(A and b) flexible and rigid

Front 29

What converts x Ray energy into visible light

Back 29

Intensifying screen

Front 30

When would you need to duplicate a radiographer

Back 30

(b and c) to send to an insurance company and to refer a patient to a specialist

Front 31

How should x Ray film be stored

Back 31

Away from light

Front 32

Where is the expiration date on a package of X-ray film

Back 32

Outside of box

Front 33

What is the second step in manually processing dental radiographs

Back 33

Rinsing

Front 34

What is the most popular form of processing solution

Back 34

Liquid concentrate

Front 35

How often should processing solution be replenished

Back 35

Daily

Front 36

What is low intensity light composed of ion wavelengths in the red orange spectrum

Back 36

Safelight

Front 37

What is the minimum distance between a safelight and the working area

Back 37

4 feet

Front 38

What is the optimum temperature for the water in the manual processing tanks

Back 38

68 degrees F

Front 39

What is the major advantage of automatic film processing

Back 39

It saves time

Front 40

Are manual processing solutions and automatic processing solutions interchangeable

Back 40

No

Front 41

When should you check a box of films expiration date

Back 41

Each time you open a new box

Front 42

Which of the following is a critical area in a quality control program

Back 42

Film processing

Front 43

How often should processing solutions be replenished

Back 43

Daily

Front 44

Why is reference radiograph and stepwedge used

Back 44

To check the densities and contrast

Front 45

How can you tell when the fixer is losing strength

Back 45

When film takes longer to clear

Front 46

What is the purpose of quality administration program

Back 46

It deals with management of the quality assurance program

Front 47

Which staff members need to be aware of the quality administration program

Back 47

(All of the above)

Front 48

What surfaces must be covered with a barrier

Back 48

Any surfaces that are not easily cleaned and disinfected

Front 49

What precautions should not be taken when handling contaminated film

Back 49

Wiping the film with a liquid sterilant

Front 50

What is the minimum PPE the operator should wear while exposing radiographs

Back 50

Gloves

Front 51

In dental radiography not all x rays pass through the patient and reach the dental film the patients tissues absorb some x rays when the energy from the x Ray proton is absorbed chemical changes result in biological tissue damage.

Back 51

True