Question 1

The dental film that has the highest speed for the greatest reduction in radiation exposure for the patient is the ____________.

Accepted Answer

A)  Ultraspeed 
B)  Ektoaspeed 
C)  Insight 
D)  none of the above 
A)  Ultraspeed 
B)  Ektoaspeed 
C)  Insight 
D)  none of the above

Question 2

The experiment with a cathode ray tube called the Hittorf-Crookes tube was used to discover which of the following?

Accepted Answer

A)  Radiation 
B)  Electromagnetic energy 
C)  X-rays 
D)  Ionization 
A)  Radiation 
B)  Electromagnetic energy 
C)  X-rays 
D)  Ionization

Question 3

The lead apron should never be folded.

Accepted Answer

A) True 
 B)False

Question 4

The central beam that comes from the x-ray tube head 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 5

What determines the quality 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 6

The form of radiation that escapes in all directions from the tube head is _________ radiation.

Accepted Answer

A)  primary 
B)  leakage 
C)  scatter 
D)  secondary 
A)  primary 
B)  leakage 
C)  scatter 
D)  secondary

Question 7

The dental film that reduces radiation exposure up to 20 percent is the ____________.

Accepted Answer

A)  Kodak Ektoaspeed plus intra-oral 
B)  Kodak Ektoaspeed D-speed 
C)  Kodak Insight F-speed 
D)  E-speed 
A)  Kodak Ektoaspeed plus intra-oral 
B)  Kodak Ektoaspeed D-speed 
C)  Kodak Insight F-speed 
D)  E-speed

Question 8

Sensor/image plates for digital imaging can come in which of the following sizes and designs?
1) Printer
2) Panoramic
3) Computer
4) Cephalometric
5) Scanner
6) Full-sized "0" x-ray
7) Full-sized "2" x-ray

Accepted Answer

A)  2, 4, 6, 7 
B)  1, 3, 5, 6 
C)  2, 3, 4, 5 
D)  1, 2, 5, 6 
A)  2, 4, 6, 7 
B)  1, 3, 5, 6 
C)  2, 3, 4, 5 
D)  1, 2, 5, 6

Question 9

Label the components of the x-ray production in the tubehead. 
   
1. Aluminum filter 
2. Anode 
3. Cathode 
4. Copper stem 
5. Glass envelope 
6. Heat radiator 
7. kVp 
8. Lead diaphragm/collimator 
9. Lead lining 
10. Metal casing 
11. Oil bath 
12. Open cone 
13. Port 
14. Primary x-ray beam 
15. Step-down transformer 
16. Step-up transformer 
17. Tungsten filament and focusing cup 
18. Tungsten target 
19. Vacuum 
20. Window

Accepted Answer

1. C 
2. I 
3. T 
4. H 
5. N

Question 10

Match between columns
                        Premises: Lead foil backing
Black paper
Outer package and black paper
Outer package
Dental film

Accepted Answer

The Answer of 3 and 1 and 2 and 5 is...

Question 11

The area on the tungsten target where the electrons hit is the ____________.

Accepted Answer

A)  collimator 
B)  central beam 
C)  anode 
D)  focal spot 
A)  collimator 
B)  central beam 
C)  anode 
D)  focal spot

Question 12

Using E-speed film instead of D-speed film will reduce the developing time.

Accepted Answer

A) True 
 B)False

Question 13

The lead apron with the thyroid collar should be used for ____________.

Accepted Answer

A)  children 
B)  adults 
C)  pregnant women 
D)  all of the above 
A)  children 
B)  adults 
C)  pregnant women 
D)  all of the above

Exam 21: Introduction to Dental Radiography and Equipment

The dental film that has the highest speed for the greatest reduction in radiation exposure for the patient is the ____________.

The experiment with a cathode ray tube called the Hittorf-Crookes tube was used to discover which of the following?

The lead apron should never be folded.

The central beam that comes from the x-ray tube head is _________ radiation.

What determines the quality of radiation?

The form of radiation that escapes in all directions from the tube head is _________ radiation.

The dental film that reduces radiation exposure up to 20 percent is the ____________.

Sensor/image plates for digital imaging can come in which of the following sizes and designs? 1) Printer 2) Panoramic 3) Computer 4) Cephalometric 5) Scanner 6) Full-sized "0" x-ray 7) Full-sized "2" x-ray

The area on the tungsten target where the electrons hit is the ____________.

Using E-speed film instead of D-speed film will reduce the developing time.

The lead apron with the thyroid collar should be used for ____________.

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