Question 1

Which of these is NOT a component of dental x-ray film?

Accepted Answer

A)  Protective layer 
B)  Base 
C)  Phosphor crystals 
D)  Emulsion 
A)  Protective layer 
B)  Base 
C)  Phosphor crystals 
D)  Emulsion C

Question 2

What type of film is needed to copy a dental radiograph?

Accepted Answer

Duplicating film, which is exposed by the actions of infrared and ultraviolet light, rather than by x-rays.

Question 3

The sensitivity of a given type of dental x-ray film is known as its what?

Accepted Answer

Speed

Question 4

What is placed in the film packet by the manufacturer to absorb scattered radiation?

Accepted Answer

Lead foil. Scattered x-rays th

Question 5

Which film size is ideal for positioning a periapical radiograph in the narrow canine region on an adult patient?

Accepted Answer

A)  Size #0 
B)  Size #1 
C)  Size #2 
D)  Size #3 
A)  Size #0 
B)  Size #1 
C)  Size #2 
D)  Size #3

Question 6

The purpose of the embossed dot on the film packet is to:

Accepted Answer

A)  identify which side of the film contains the emulsion. 
B)  determine if the film packet contains one or two films. 
C)  distinguish the patient's right from left on the developed radiograph. 
D)  locate the edge of the packet that should be positioned toward the apices. 
A)  identify which side of the film contains the emulsion. 
B)  determine if the film packet contains one or two films. 
C)  distinguish the patient's right from left on the developed radiograph. 
D)  locate the edge of the packet that should be positioned toward the apices.

Question 7

Duplicating film gets lighter the longer the exposure to light.

Accepted Answer

A) True 
 B)False

Question 8

Which portion of the dental film retains the latent image?

Accepted Answer

A)  The protective layer 
B)  The gelatin 
C)  The silver halide crystals 
D)  The adhesive 
A)  The protective layer 
B)  The gelatin 
C)  The silver halide crystals 
D)  The adhesive

Question 9

Which of the following statements regarding film storage and protection is FALSE?

Accepted Answer

A)  It is light-sensitive. 
B)  It has a shelf life. 
C)  It is affected by high heat and humidity. 
D)  It should be stored in the darkroom. 
A)  It is light-sensitive. 
B)  It has a shelf life. 
C)  It is affected by high heat and humidity. 
D)  It should be stored in the darkroom.

Question 10

Which of the following is NOT an intraoral projection?

Accepted Answer

A)  Periapical 
B)  Occlusal 
C)  Panoramic 
D)  Bitewing 
A)  Periapical 
B)  Occlusal 
C)  Panoramic 
D)  Bitewing

Question 11

Which of the following indicates the correct placement of an intraoral film?

Accepted Answer

A)  The back side faces the buccal surfaces of the teeth and away from the source of radiation. 
B)  The back side faces the lingual surfaces of the teeth and is facing the source of radiation. 
C)  The tube side faces the buccal surfaces of the teeth and faces the source of radiation. 
D)  The tube side faces the lingual surfaces of the teeth and faces the source of radiation. 
A)  The back side faces the buccal surfaces of the teeth and away from the source of radiation. 
B)  The back side faces the lingual surfaces of the teeth and is facing the source of radiation. 
C)  The tube side faces the buccal surfaces of the teeth and faces the source of radiation. 
D)  The tube side faces the lingual surfaces of the teeth and faces the source of radiation.

Question 12

Each of the following statements is true EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  During exposure, the x-rays strike and ionize all silver halide crystals on the film. 
B)  The invisible image on an x-ray film is called the "latent image." 
C)  The function of the gelatin in film emulsion is to keep the silver halide crystals evenly suspended over the base. 
D)  Silver halide in the emulsion is primarily silver bromide. 
A)  During exposure, the x-rays strike and ionize all silver halide crystals on the film. 
B)  The invisible image on an x-ray film is called the "latent image." 
C)  The function of the gelatin in film emulsion is to keep the silver halide crystals evenly suspended over the base. 
D)  Silver halide in the emulsion is primarily silver bromide.

Question 13

Bitewing radiographs image the entire tooth, from crown to root tip.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following statements regarding extraoral film is FALSE?

Accepted Answer

A)  It is used outside the mouth. 
B)  It comes individually wrapped in protective paper. 
C)  It is called a "screen film." 
D)  It uses intensifying screens. 
A)  It is used outside the mouth. 
B)  It comes individually wrapped in protective paper. 
C)  It is called a "screen film." 
D)  It uses intensifying screens.

Question 15

Each of the following statements regarding duplication of radiographs is correct EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  The emulsion side of duplicating film contains an antihalation coating. 
B)  The solarized emulsion records the copy of the image. 
C)  The emulsion side of duplicating film is placed against the original radiograph. 
D)  The antihalation coating prevents back-scattered light from re-exposing the film. 
A)  The emulsion side of duplicating film contains an antihalation coating. 
B)  The solarized emulsion records the copy of the image. 
C)  The emulsion side of duplicating film is placed against the original radiograph. 
D)  The antihalation coating prevents back-scattered light from re-exposing the film.

Question 16

Graininess of a radiographic image results from:

Accepted Answer

A)  large silver halide crystals. 
B)  the addition of radiosensitive dyes. 
C)  a decrease in film speed. 
D)  film packets that contain two films. 
A)  large silver halide crystals. 
B)  the addition of radiosensitive dyes. 
C)  a decrease in film speed. 
D)  film packets that contain two films.

Question 17

Silver halide crystals suspended in gelatin form which part of dental x-ray film?

Accepted Answer

The emulsion. The function of

Question 18

Dental x-ray film is surrounded by a sheet of white paper inside the film packet.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following radiographs gets its name from the Greek word that means around and the Latin word for apex that refers to the root tip?

Accepted Answer

A)  Bitewing 
B)  Periapical 
C)  Occlusal 
D)  Panoramic 
A)  Bitewing 
B)  Periapical 
C)  Occlusal 
D)  Panoramic

Question 20

Each of the following affects film speed EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  Emulsion thickness 
B)  Crystal size 
C)  Film packet size 
D)  Special dyes 
A)  Emulsion thickness 
B)  Crystal size 
C)  Film packet size 
D)  Special dyes

Exam 7: Dental X-Ray Film and Processing Methods

Which of these is NOT a component of dental x-ray film?

What type of film is needed to copy a dental radiograph?

The sensitivity of a given type of dental x-ray film is known as its what?

What is placed in the film packet by the manufacturer to absorb scattered radiation?

Which film size is ideal for positioning a periapical radiograph in the narrow canine region on an adult patient?

The purpose of the embossed dot on the film packet is to:

Duplicating film gets lighter the longer the exposure to light.

Which portion of the dental film retains the latent image?

Which of the following statements regarding film storage and protection is FALSE?

Which of the following is NOT an intraoral projection?

Which of the following indicates the correct placement of an intraoral film?

Each of the following statements is true EXCEPT one. Which one is the EXCEPTION?

Bitewing radiographs image the entire tooth, from crown to root tip.

Which of the following statements regarding extraoral film is FALSE?

Each of the following statements regarding duplication of radiographs is correct EXCEPT one. Which one is the EXCEPTION?

Graininess of a radiographic image results from:

Silver halide crystals suspended in gelatin form which part of dental x-ray film?

Dental x-ray film is surrounded by a sheet of white paper inside the film packet.

Which of the following radiographs gets its name from the Greek word that means around and the Latin word for apex that refers to the root tip?

Each of the following affects film speed EXCEPT one. Which one is the EXCEPTION?

Dental Radiography: Historical Perspective and Future Trends

Characteristics and Measurement of Radiation

The Dental X-Ray Machine: Components and Function

Factors Affecting Radiographic Quality

Effects of Radiation Exposure

Radiation Protection

Digital Radiography and Image Acquisition

Infection Control

Legal and Ethical Responsibilities

Patient Relations and Education

Introduction to Radiographic Examinations

The Periapical Examinationparalleling Technique

The Periapical Examinationbisecting Technique

The Bitewing Examination

The Occlusal Examination

The Panoramic Examination

Identifying and Correcting Undiagnostic Radiographs

Quality Control and Environmental Safety in Dental Radiography

Image Orientation and Introduction to Interpretation

Recognizing Normal Radiographic Anatomy Intraoral Radiographs

Recognizing Normal Radiographic Anatomy Panoramic Radiographs

Radiographic Appearance of Dental Materials and Foreign Objects

The Use of Radiographs in the Detection of Dental Caries

The Use of Radiographs in the Evaluation of Periodontal Diseases

Describing Radiographic Anomalies, Lesions, and Opportunistic Screening

Pediatric Radiographic Techniques

Radiographic Techniques for Patients With Special Needs

Radiographic Techniques for Specific Oral Conditions

Radiographic Techniques

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