Question 1

When loading the film into the cassette before exposure (in extraoral radiography),the:

Accepted Answer

A) film comes preloaded in the cassette. 
B) procedure must be done in the darkroom. 
C) film may be placed in the holder outside the darkroom. 
D) film does not need an intensifying screen. 
A) film comes preloaded in the cassette. 
B) procedure must be done in the darkroom. 
C) film may be placed in the holder outside the darkroom. 
D) film does not need an intensifying screen. B

Question 2

Film speed is determined by the:

Accepted Answer

A) thickness of silver bromide salt. 
B) thickness of cellulose acetate base. 
C) size of the silver bromide crystals. 
D) Both a and c are correct. 
A) thickness of silver bromide salt. 
B) thickness of cellulose acetate base. 
C) size of the silver bromide crystals. 
D) Both a and c are correct. D

Question 3

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 C

Question 4

All the following are true statements about image plates except they:

Accepted Answer

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

Question 5

____ -speed film is the newest and fastest film currently available.

Accepted Answer

A) E 
B) F 
C) Ultra D 
D) High speed E 
A) E 
B) F 
C) Ultra D 
D) High speed E

Question 6

Clear spots on a processed film can be caused by:

Accepted Answer

A) static electricity. 
B) solutions are too warm. 
C) fixer contacts film prior to processing. 
D) drops of developer on a fixed film. 
A) static electricity. 
B) solutions are too warm. 
C) fixer contacts film prior to processing. 
D) drops of developer on a fixed film.

Question 7

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

Question 8

_____ 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

Question 9

The extraoral film placed outside the mouth during x-ray exposure is:

Accepted Answer

A) periapical. 
B) bite-wing. 
C) panoramic. 
D) occlusal. 
A) periapical. 
B) bite-wing. 
C) panoramic. 
D) occlusal.

Question 10

The device that intensifies or increases the effect of the radiation and decreases the amount of exposure time needed when exposing an extraoral radiograph is a(n):

Accepted Answer

A) screen film. 
B) film cassette. 
C) intensifying screen. 
D) nonscreen film. 
A) screen film. 
B) film cassette. 
C) intensifying screen. 
D) nonscreen film.

Question 11

Automatic film processing requires _____ than manual film processing does.

Accepted Answer

A) more time 
B) less equipment 
C) more equipment 
D) more space 
A) more time 
B) less equipment 
C) more equipment 
D) more space

Question 12

The correct order of steps in manual film processing is:

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 13

The ideal time and temperature for manual developing is:

Accepted Answer

A) 45 seconds at 85° F. 
B) 5 minutes at 65° C. 
C) 5 minutes at 68° F. 
D) 5 minutes at 60° F. 
A) 45 seconds at 85° F. 
B) 5 minutes at 65° C. 
C) 5 minutes at 68° F. 
D) 5 minutes at 60° F.

Question 14

When a film passes through fixer solutions before developing,the film will appear:

Accepted Answer

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

Question 15

When film emulsion interacts with x-rays,the result is:

Accepted Answer

A) a visible distortion. 
B) a distorted light source. 
C) a latent image. 
D) none of the above. 
A) a visible distortion. 
B) a distorted light source. 
C) a latent image. 
D) none of the above.

Question 16

The life of the processing solutions is affected by:

Accepted Answer

A) the number of films processed. 
B) the time elapsed since last change. 
C) the size of films processed. 
D) all of the above. 
A) the number of films processed. 
B) the time elapsed since last change. 
C) the size of films processed. 
D) all of the above.

Question 17

When developer solution in an automatic processor is warmer than 83° F,the processed film will appear:

Accepted Answer

A) dark or black. 
B) gray. 
C) clear. 
D) light. 
A) dark or black. 
B) gray. 
C) clear. 
D) light.

Question 18

A plastic or metal film cassette holds and protects the extraoral film.During exposure,the side of the cassette the must face the patient is the _____ side.

Accepted Answer

A) front 
B) back 
C) right 
D) left 
A) front 
B) back 
C) right 
D) left

Question 19

The CCD in direct digital imaging sensors is made of:

Accepted Answer

A) silicon. 
B) phosphor. 
C) tungsten. 
D) silver halide. 
A) silicon. 
B) phosphor. 
C) tungsten. 
D) silver halide.

Question 20

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.

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

When loading the film into the cassette before exposure (in extraoral radiography),the:

Film speed is determined by the:

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

All the following are true statements about image plates except they:

____ -speed film is the newest and fastest film currently available.

Clear spots on a processed film can be caused by:

Positioning instruments in digital radiography:

_____ hardens the film emulsion during film processing.

The extraoral film placed outside the mouth during x-ray exposure is:

The device that intensifies or increases the effect of the radiation and decreases the amount of exposure time needed when exposing an extraoral radiograph is a(n):

Automatic film processing requires _____ than manual film processing does.

The correct order of steps in manual film processing is:

The ideal time and temperature for manual developing is:

When a film passes through fixer solutions before developing,the film will appear:

When film emulsion interacts with x-rays,the result is:

The life of the processing solutions is affected by:

When developer solution in an automatic processor is warmer than 83° F,the processed film will appear:

A plastic or metal film cassette holds and protects the extraoral film.During exposure,the side of the cassette the must face the patient is the _____ side.

The CCD in direct digital imaging sensors is made of:

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

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