Question 1

Film not protected from stray radiation is susceptible to what?

Accepted Answer

Film fog. Films must be stored in a safe

Question 2

Overdevelopment results in which of the following?

Accepted Answer

A)  Green areas 
B)  Dark images 
C)  White or clear spots 
D)  Cracked emulsions 
A)  Green areas 
B)  Dark images 
C)  White or clear spots 
D)  Cracked emulsions

Question 3

Dark spots on the film are caused by premature contact with the developer.

Accepted Answer

A) True 
 B)False

Question 4

Improper or insufficient washing of radiographic films will result in:

Accepted Answer

A)  brown films. 
B)  green films. 
C)  black films. 
D)  white/clear films. 
A)  brown films. 
B)  green films. 
C)  black films. 
D)  white/clear films.

Question 5

Cone cutting of the radiographic image most likely results from an error made in which of the following steps?

Accepted Answer

A)  Placement of the image receptor 
B)  Horizontal angulation 
C)  Vertical angulation 
D)  Centering the x-ray beam 
A)  Placement of the image receptor 
B)  Horizontal angulation 
C)  Vertical angulation 
D)  Centering the x-ray beam

Question 6

What produces thin black lines or smudges often in a pattern on the radiograph?

Accepted Answer

Static electricity. Static electricity i

Question 7

Film fog may result from what?

Accepted Answer

Exposure to stray radiation, heat, humid

Question 8

Bending a phosphor plate will result in a black crimp line.

Accepted Answer

A) True 
 B)False

Question 9

Elongation error causes the images to appear stretched out.

Accepted Answer

A) True 
 B)False

Question 10

If using film, a blank image indicates that:

Accepted Answer

A)  there was an overexposure to radiation. 
B)  there was no exposure to radiation. 
C)  a full denture blocked the film from radiation. 
D)  the film was accidentally exposed to white light. 
A)  there was an overexposure to radiation. 
B)  there was no exposure to radiation. 
C)  a full denture blocked the film from radiation. 
D)  the film was accidentally exposed to white light.

Question 11

What causes the black paper in the film packet to become stuck to the film?

Accepted Answer

A tear or break in the outer protective

Question 12

Misuse of a cotton roll to stabilize the image receptor may result in root tips being cut off from the image.

Accepted Answer

A) True 
 B)False

Question 13

A dark radiograph can result from either overexposure or overdeveloping.

Accepted Answer

A) True 
 B)False

Question 14

What causes discrete black lines to appear on the radiograph?

Accepted Answer

Bending the film or excessive pressure c

Question 15

If a film is accidentally placed in the fixer before placing it in the developer, the resultant image will:

Accepted Answer

A)  be light. 
B)  be dark. 
C)  be blank. 
D)  have a herringbone pattern. 
A)  be light. 
B)  be dark. 
C)  be blank. 
D)  have a herringbone pattern.

Question 16

Exposing film to excessive heat and humidity can compromise radiographic quality.

Accepted Answer

A) True 
 B)False

Question 17

A herringbone or tire track pattern appears on the image if the film packet was placed in the oral cavity reversed.

Accepted Answer

A) True 
 B)False

Question 18

To avoid radiographic error while opening a film packet in the darkroom, the film should be removed from the outer packaging rapidly.

Accepted Answer

A) True 
 B)False

Question 19

White spots on the film are caused by premature contact with the developer solution.

Accepted Answer

A) True 
 B)False

Question 20

Light (thin) images may result from each of the following EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  Placing the image receptor (film) in the mouth backward 
B)  Not depressing the exposure button for the duration of the cycle 
C)  Using an mA setting that was too high 
D)  Developing in weak processing solutions 
A)  Placing the image receptor (film) in the mouth backward 
B)  Not depressing the exposure button for the duration of the cycle 
C)  Using an mA setting that was too high 
D)  Developing in weak processing solutions

Exam 18: Identifying and Correcting Undiagnostic Radiographs

Film not protected from stray radiation is susceptible to what?

Overdevelopment results in which of the following?

Dark spots on the film are caused by premature contact with the developer.

Improper or insufficient washing of radiographic films will result in:

Cone cutting of the radiographic image most likely results from an error made in which of the following steps?

What produces thin black lines or smudges often in a pattern on the radiograph?

Film fog may result from what?

Bending a phosphor plate will result in a black crimp line.

Elongation error causes the images to appear stretched out.

If using film, a blank image indicates that:

What causes the black paper in the film packet to become stuck to the film?

Misuse of a cotton roll to stabilize the image receptor may result in root tips being cut off from the image.

A dark radiograph can result from either overexposure or overdeveloping.

What causes discrete black lines to appear on the radiograph?

If a film is accidentally placed in the fixer before placing it in the developer, the resultant image will:

Exposing film to excessive heat and humidity can compromise radiographic quality.

A herringbone or tire track pattern appears on the image if the film packet was placed in the oral cavity reversed.

To avoid radiographic error while opening a film packet in the darkroom, the film should be removed from the outer packaging rapidly.

White spots on the film are caused by premature contact with the developer solution.

Light (thin) images may result from each of the following 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

Dental X-Ray Film and Processing Methods

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

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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