Question 1

The size of narrow anterior film is ______.

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  4 
A)  0 
B)  1 
C)  2 
D)  4 B

Question 2

The MPD per year for radiation workers is _____ rems.

Accepted Answer

A)  0.05 
B)  50 
C)  5 
D)  0.005 
A)  0.05 
B)  50 
C)  5 
D)  0.005 C

Question 3

Imaging systems are used by dental professionals.

Accepted Answer

A) True 
 B)False  True

Question 4

The radiation formed when the primary x-rays strike the patient is _________ radiation.

Accepted Answer

A)  leakage 
B)  secondary 
C)  scatter 
D)  none of the above 
A)  leakage 
B)  secondary 
C)  scatter 
D)  none of the above

Question 5

The effects of radiation are ____________.

Accepted Answer

A)  lost with time 
B)  dissipated 
C)  accumulative 
D)  none of the above 
A)  lost with time 
B)  dissipated 
C)  accumulative 
D)  none of the above

Question 6

X-ray film is sensitive to ____________.

Accepted Answer

A)  stray radiation 
B)  chemicals 
C)  high temperatures 
D)  all of the above 
A)  stray radiation 
B)  chemicals 
C)  high temperatures 
D)  all of the above

Question 7

Match between columns
                        Premises: Child film
Long bitewing film
Occlusal film
Narrow anterior film
Adult film

Accepted Answer

The Answer of No. 3 and No. 0 and No. is...

Question 8

What determines the amount or quantity of radiation?

Accepted Answer

A)  Electronic timer 
B)  Kilovoltage 
C)  Milliamperage 
D)  Control panel 
A)  Electronic timer 
B)  Kilovoltage 
C)  Milliamperage 
D)  Control panel

Question 9

The inventor of x-rays is ____________.

Accepted Answer

A)  Kells 
B)  Roentgen 
C)  Black 
D)  none of the above 
A)  Kells 
B)  Roentgen 
C)  Black 
D)  none of the above

Question 10

Match between columns
                        Premises: Most sensitive
Less sensitive
Sensitive
Least sensitive
Moderately sensitive

Accepted Answer

The Answer of Mature bone, salivary glands, thyroid, liver and is...

Question 11

The radiation that is deflected from its path as it strikes matter is _________ radiation.

Accepted Answer

A)  primary 
B)  secondary 
C)  scatter 
D)  none of the above 
A)  primary 
B)  secondary 
C)  scatter 
D)  none of the above

Question 12

A dosimeter badge should be worn ____________.

Accepted Answer

A)  at all times in the dental office 
B)  only while exposing radiographs 
C)  only while developing radiographs 
D)  at all times in the dental office, even when going out for lunch 
A)  at all times in the dental office 
B)  only while exposing radiographs 
C)  only while developing radiographs 
D)  at all times in the dental office, even when going out for lunch

Question 13

Another name for the lead diaphragm is the ____________.

Accepted Answer

A)  filter 
B)  focal spot 
C)  focusing cup 
D)  collimator 
A)  filter 
B)  focal spot 
C)  focusing cup 
D)  collimator

Question 14

In regard to the size of crystals in the emulsion, the larger the crystals, ____________.

Accepted Answer

A)  the faster the film 
B)  the slower the film 
C)  there is no difference 
D)  it depends on the temperature of the developing solution 
A)  the faster the film 
B)  the slower the film 
C)  there is no difference 
D)  it depends on the temperature of the developing solution

Question 15

The degree of darkness on an x-ray, which is also controlled by MAS, is the ____________.

Accepted Answer

A)  density 
B)  contrast 
A)  density 
B)  contrast

Question 16

Which statement equals more energy?

Accepted Answer

A)  Short wavelength with high frequency 
B)  Short wavelength with low frequency 
C)  Long wavelength with low frequency 
D)  Long wavelength with high frequency 
A)  Short wavelength with high frequency 
B)  Short wavelength with low frequency 
C)  Long wavelength with low frequency 
D)  Long wavelength with high frequency

Question 17

The tissues/organs most sensitive to radiation include:
1) nerve
2) liver
3) bone marrow
4) reproductive cell
5) connective tissue

Accepted Answer

A)  3, 4 
B)  1, 2, 3 
C)  1, 2, 3, 4, 5 
D)  none of the above 
A)  3, 4 
B)  1, 2, 3 
C)  1, 2, 3, 4, 5 
D)  none of the above

Question 18

The time between the exposure and the development of biological effects is the _________ period.

Accepted Answer

A)  exposure 
B)  latent 
C)  accumulative 
D)  none of the above 
A)  exposure 
B)  latent 
C)  accumulative 
D)  none of the above

Question 19

Milliamperage seconds determine the amount of radiation exposure the patient receives. The difference between the shades of gray is the ____________.

Accepted Answer

A)  density 
B)  contrast 
A)  density 
B)  contrast

Question 20

The molybdenum focusing cup is on which side of the x-ray tube?

Accepted Answer

A)  Anode 
B)  Cathode 
C)  Both a and b 
D)  None of the above 
A)  Anode 
B)  Cathode 
C)  Both a and b 
D)  None of the above

Exam 21: Introduction to Dental Radiography and Equipment

The size of narrow anterior film is ______.

The MPD per year for radiation workers is _____ rems.

Imaging systems are used by dental professionals.

The radiation formed when the primary x-rays strike the patient is _________ radiation.

The effects of radiation are ____________.

X-ray film is sensitive to ____________.

What determines the amount or quantity of radiation?

The inventor of x-rays is ____________.

The radiation that is deflected from its path as it strikes matter is _________ radiation.

A dosimeter badge should be worn ____________.

Another name for the lead diaphragm is the ____________.

In regard to the size of crystals in the emulsion, the larger the crystals, ____________.

The degree of darkness on an x-ray, which is also controlled by MAS, is the ____________.

Which statement equals more energy?

The tissues/organs most sensitive to radiation include: 1) nerve 2) liver 3) bone marrow 4) reproductive cell 5) connective tissue

The time between the exposure and the development of biological effects is the _________ period.

Milliamperage seconds determine the amount of radiation exposure the patient receives. The difference between the shades of gray is the ____________.

The molybdenum focusing cup is on which side of the x-ray tube?

Introduction to the Dental Profession

Psychology Communication and Multicultural Interaction

Ethics Jurisprudence and the Health Information Portability and Accountability Act

Oral Health and Preventative Techniques

Nutrition

General Anatomy and Physiology

Head and Neck Anatomy

Embryology and Histology

Tooth Morphology

Microbiology

Infection Control

Management of Hazardous Materials

Preparation for Patient Care

Dental Charting

Pharmacology

Emergency Management

Introduction to the Dental Office and Basic Chairside Assisting

Basic Chairside Instruments and Tray Systems

Instrument Transfer and Maintaining the Operating Field

Anesthesia and Sedation

Production and Evaluation of Dental Radiographs

Extraoral and Digital Radiography

Endodontics

Oral and Maxillofacial Surgery

Dental Implants

Oral Pathology

Orthodontics

Pediatric Dentistry

Dental Sealants

Periodontics

Coronal Polish

Fixed Prosthodontics and Gingival Retraction

Computerized Impression and Restorative Systems

Cosmetic Dentistry and Whitening

Removable Prosthodontics

Dental Cements Bases Liners and Bonding Agents

Restorative Materials Matrix and Wedge

Laboratory Materials and Techniques

Dental Office Management

Employment Strategies

Filters