Question 1

Which of the following will affect the life of the processing solutions?

Accepted Answer

A) Number of films processed 
B) Time elapsed since last change 
C) Size of films processed 
D) All of the above 
A) Number of films processed 
B) Time elapsed since last change 
C) Size of films processed 
D) All of the above D

Question 2

Which is not true of image plates?

Accepted Answer

A) They need to be protected in the patient's mouth with barriers. 
B) They should be autoclaved. 
C) They require care not to scratch when handling. 
D) They are positioned in the mouth like dental film. 
A) They need to be protected in the patient's mouth with barriers. 
B) They should be autoclaved. 
C) They require care not to scratch when handling. 
D) They are positioned in the mouth like dental film. B

Question 3

The purpose of the lead foil in the dental film packet is to:

Accepted Answer

A) provide stiffness to the film. 
B) reduce film fogging. 
C) absorb the primary beam. 
D) make the packet more flexible and resilient. 
A) provide stiffness to the film. 
B) reduce film fogging. 
C) absorb the primary beam. 
D) make the packet more flexible and resilient. B

Question 4

Dental film holders,used to position and hold the dental x-ray films in the patient's mouth,include which of the following?

Accepted Answer

A) PID 
B) XCP and disposable block 
C) Eezee-Grip and EndoRay 
D) Both b and c 
A) PID 
B) XCP and disposable block 
C) Eezee-Grip and EndoRay 
D) Both b and c

Question 5

Which is not true of digitizing film-based radiographs?

Accepted Answer

A) The process is similar to other film duplication. 
B) Desktop scanners capture the light signal. 
C) It duplicates the same detail as the original film. 
D) All of the above are true. 
A) The process is similar to other film duplication. 
B) Desktop scanners capture the light signal. 
C) It duplicates the same detail as the original film. 
D) All of the above are true.

Question 6

Which is not true of duplicating film's emulsion?

Accepted Answer

A) It is only on one side. 
B) It appears shiny. 
C) It appears dull. 
D) It is exposed by light. 
A) It is only on one side. 
B) It appears shiny. 
C) It appears dull. 
D) It is exposed by light.

Question 7

Which of the following is an extraoral film that is placed outside the mouth during x-ray exposure?

Accepted Answer

A) Periapical 
B) Bite-wing 
C) Panoramic 
D) Occlusal 
A) Periapical 
B) Bite-wing 
C) Panoramic 
D) Occlusal

Question 8

Which category of digital imaging is similar to faxes and video equipment,which use a sensor with a cord that is attached to the computer?

Accepted Answer

A) Computed radiograph programs 
B) Indirect digital radiography 
C) Direct digital radiography 
D) None of the above 
A) Computed radiograph programs 
B) Indirect digital radiography 
C) Direct digital radiography 
D) None of the above

Question 9

Extraoral film is:

Accepted Answer

A) not sensitive to light. 
B) less sensitive to light than intraoral film. 
C) just as sensitive to light as intraoral film. 
D) more sensitive to light than intraoral film. 
A) not sensitive to light. 
B) less sensitive to light than intraoral film. 
C) just as sensitive to light as intraoral film. 
D) more sensitive to light than intraoral film.

Question 10

The film is lighter than normal; what is the probable cause?

Accepted Answer

A) The developer solution is too weak. 
B) The developer solution is too warm. 
C) The fixer solution is too weak. 
D) The film was not properly rinsed. 
A) The developer solution is too weak. 
B) The developer solution is too warm. 
C) The fixer solution is too weak. 
D) The film was not properly rinsed.

Question 11

The radiographic image is located within the _____ of the radiographic film.

Accepted Answer

A) acetate film base 
B) adhesive layer that attaches the emulsion to the film base 
C) gelatin that suspends the emulsion 
D) protective layer that protects the emulsion surface 
A) acetate film base 
B) adhesive layer that attaches the emulsion to the film base 
C) gelatin that suspends the emulsion 
D) protective layer that protects the emulsion surface

Question 12

Which of the following time and temperature errors will result in reticulation of the film emulsion?

Accepted Answer

A) Inadequate development time 
B) Developer solution too hot 
C) Sudden temperature change between developer and water bath 
D) Inaccurate timer or thermometer 
A) Inadequate development time 
B) Developer solution too hot 
C) Sudden temperature change between developer and water bath 
D) Inaccurate timer or thermometer

Question 13

Positioning instruments in digital radiography:

Accepted Answer

A) assist in film placement. 
B) keep the patient's fingers from being exposed. 
C) should not be used. 
D) both a and b. 
A) assist in film placement. 
B) keep the patient's fingers from being exposed. 
C) should not be used. 
D) both a and b.

Question 14

Digital radiography requires less radiation than traditional radiography because the:

Accepted Answer

A) exposure time is increased. 
B) sensor is smaller. 
C) sensor is more sensitive to x-ray energy. 
D) sensor is attached to the computer. 
A) exposure time is increased. 
B) sensor is smaller. 
C) sensor is more sensitive to x-ray energy. 
D) sensor is attached to the computer.

Question 15

Which is the correct order of steps in manual film processing?

Accepted Answer

A) Fix, rinse, develop, wash 
B) Develop, rinse, fix, wash 
C) Fix, wash, rinse, wash 
D) Rinse, develop, fix, wash 
A) Fix, rinse, develop, wash 
B) Develop, rinse, fix, wash 
C) Fix, wash, rinse, wash 
D) Rinse, develop, fix, wash

Question 16

The _______ is the safest place to store unopened boxes of dental film.

Accepted Answer

A) darkroom 
B) furnace room 
C) refrigerator 
D) treatment room 
A) darkroom 
B) furnace room 
C) refrigerator 
D) treatment room

Question 17

The gallon of fixer is mistaken for developer,and developer is mistakenly thought to be fixer.As a result,films pass through the fixer first,then the developer.Each film will now be:

Accepted Answer

A) clear. 
B) completely black. 
C) gray. 
D) yellowish-brown. 
A) clear. 
B) completely black. 
C) gray. 
D) yellowish-brown.

Question 18

What is the cause of white spots on a processed film?

Accepted Answer

A) Static electricity 
B) Solutions are too warm 
C) Fixer contacts film prior to processing 
D) Drops of developer 
A) Static electricity 
B) Solutions are too warm 
C) Fixer contacts film prior to processing 
D) Drops of developer

Question 19

The most commonly used film size for adult intraoral dentistry is size:

Accepted Answer

A) #0. 
B) #2. 
C) #3. 
D) #4. 
A) #0. 
B) #2. 
C) #3. 
D) #4.

Question 20

_____ hardens the film emulsion during film processing.

Accepted Answer

A) Rinsing 
B) Developing 
C) Fixing 
D) Washing 
A) Rinsing 
B) Developing 
C) Fixing 
D) Washing

Exam 39: Digital Imaging, Dental Film, and Processing Radiographs

Which of the following will affect the life of the processing solutions?

Which is not true of image plates?

The purpose of the lead foil in the dental film packet is to:

Dental film holders,used to position and hold the dental x-ray films in the patient's mouth,include which of the following?

Which is not true of digitizing film-based radiographs?

Which is not true of duplicating film's emulsion?

Which of the following is an extraoral film that is placed outside the mouth during x-ray exposure?

Which category of digital imaging is similar to faxes and video equipment,which use a sensor with a cord that is attached to the computer?

Extraoral film is:

The film is lighter than normal; what is the probable cause?

The radiographic image is located within the _____ of the radiographic film.

Which of the following time and temperature errors will result in reticulation of the film emulsion?

Positioning instruments in digital radiography:

Digital radiography requires less radiation than traditional radiography because the:

Which is the correct order of steps in manual film processing?

The _______ is the safest place to store unopened boxes of dental film.

The gallon of fixer is mistaken for developer,and developer is mistakenly thought to be fixer.As a result,films pass through the fixer first,then the developer.Each film will now be:

What is the cause of white spots on a processed film?

The most commonly used film size for adult intraoral dentistry is size:

_____ hardens the film emulsion during film processing.

History of Dentistry

The Professional Dental Assistant

The Dental Healthcare Team

Dental Ethics

Dentistry and the Law

General Anatomy

General Physiology

Oral Embryology and Histology

Head and Neck Anatomy

Landmarks of the Face and Oral Cavity

Overview of the Dentitions

Tooth Morphology

Dental Caries

Periodontal Disease

Preventive Dentistry

Nutrition

Oral Pathology

Microbiology

Disease Transmission and Infection Prevention

Principles and Techniques of Disinfection

Principles and Techniques of Instrument Processing and Sterilization

Regulatory and Advisory Agencies

Chemical and Waste Management

Dental Unit Waterlines

Ergonomics

The Patient Record

Vital Signs

Oral Diagnosis and Treatment Planning

The Special Needs and Medically Compromised Patient

Principles of Pharmacology

Assisting in a Medical Emergency

The Dental Office

Delivering Dental Care

Dental Hand Instruments

Dental Handpieces and Accessories

Moisture Control

Anesthesia and Pain Control

Foundations of Radiography, Radiographic Equipment, and Radiation Safety

Legal Issues, Quality Assurance, and Infection Prevention

Intraoral Imaging

Extraoral Imaging

Restorative and Esthetic Dental Materials

Dental Liners, Bases, and Bonding Systems

Dental Cements

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

Fixed Prosthodontics

Provisional Coverage

Removable Prosthodontics

Dental Implants

Endodontics

Periodontics

Oral and Maxillofacial Surgery

Pediatric Dentistry

Coronal Polishing

Dental Sealants

Orthodontics