Question 1

Radiopaque lesions may occur in:

Accepted Answer

A)  Bone but not soft tissue. 
B)  Soft tissue but not bone. 
C)  Neither bone nor soft tissue. 
D)  Either bone or soft tissue. 
A)  Bone but not soft tissue. 
B)  Soft tissue but not bone. 
C)  Neither bone nor soft tissue. 
D)  Either bone or soft tissue. D

Question 2

The term ____ refers to a radiolucent lesion located around the crown of an impacted tooth.

Accepted Answer

A)  Periapical 
B)  Inter-radicular 
C)  Pericoronal 
D)  Edentulous zone 
A)  Periapical 
B)  Inter-radicular 
C)  Pericoronal 
D)  Edentulous zone C

Question 3

Most structures radiographed ____ exhibit uniform thickness and therefore appear ____.

Accepted Answer

A)  do; white 
B)  do not; gray 
C)  do; black 
D)  do not; white 
A)  do; white 
B)  do not; gray 
C)  do; black 
D)  do not; white B

Question 4

Which of the following structures would appear the most radiopaque?

Accepted Answer

A)  Dental pulp 
B)  Metallic restoration 
C)  Periodontal ligament space 
D)  Air space 
A)  Dental pulp 
B)  Metallic restoration 
C)  Periodontal ligament space 
D)  Air space

Question 5

Dental caries appear ____ because the area of the tooth with caries is ____ dense than surrounding structures.

Accepted Answer

A)  Radiopaque; more 
B)  Radiopaque; less 
C)  Radiolucent; more 
D)  Radiolucent; less 
A)  Radiopaque; more 
B)  Radiopaque; less 
C)  Radiolucent; more 
D)  Radiolucent; less

Question 6

A unilocular lesion with corticated borders is usually indicative of a ____ process.

Accepted Answer

A)  Benign slow-growing 
B)  Benign rapidly growing 
C)  Malignant slow-growing 
D)  Malignant rapidly growing 
A)  Benign slow-growing 
B)  Benign rapidly growing 
C)  Malignant slow-growing 
D)  Malignant rapidly growing

Question 7

Which of the following is an example of a radiopaque structure?

Accepted Answer

A)  Dental pulp 
B)  Dentin 
C)  Periodontal ligament space 
D)  Soft tissue 
A)  Dental pulp 
B)  Dentin 
C)  Periodontal ligament space 
D)  Soft tissue

Question 8

Unilocular lesions tend to be:

Accepted Answer

A)  Small and expansile. 
B)  Small and nonexpansile. 
C)  Large and expansile. 
D)  Large and nonexpansile. 
A)  Small and expansile. 
B)  Small and nonexpansile. 
C)  Large and expansile. 
D)  Large and nonexpansile.

Question 9

Which of the following would be an example of a mixed lucent-opaque lesion?

Accepted Answer

A)  Compound odontoma 
B)  Osteitis deformans 
C)  Chondrosarcoma 
D)  Florid osseous dysplasia 
A)  Compound odontoma 
B)  Osteitis deformans 
C)  Chondrosarcoma 
D)  Florid osseous dysplasia

Question 10

Condensing osteitis is an example of a lesion that can be described as:

Accepted Answer

A)  A focal opacity. 
B)  A target lesion. 
C)  A multifocal confluent. 
D)  Ground glass. 
A)  A focal opacity. 
B)  A target lesion. 
C)  A multifocal confluent. 
D)  Ground glass.

Question 11

Which of the following terms is used to classify a radiolucent lesion?

Accepted Answer

A)  Target lesion 
B)  Multifocal confluent 
C)  Ground glass 
D)  Moth-eaten pattern 
A)  Target lesion 
B)  Multifocal confluent 
C)  Ground glass 
D)  Moth-eaten pattern

Question 12

A radiograph should not be referred to as a(n):

Accepted Answer

A)  Radiogram. 
B)  Roentgenogram. 
C)  X-ray. 
D)  X-ray film. 
A)  Radiogram. 
B)  Roentgenogram. 
C)  X-ray. 
D)  X-ray film.

Question 13

A radiograph appears ____ where the tissues are soft or thin.

Accepted Answer

A)  Radiopaque 
B)  White 
C)  Light 
D)  Black or dark 
A)  Radiopaque 
B)  White 
C)  Light 
D)  Black or dark

Question 14

A(n) ____ is an image that is produced on photosensitive film.

Accepted Answer

A)  X-ray 
B)  Radiograph 
C)  Photon 
D)  Electron 
A)  X-ray 
B)  Radiograph 
C)  Photon 
D)  Electron

Question 15

Which of the following is an example of a soft-tissue opacity?

Accepted Answer

A)  Osteitis deformans 
B)  Sialolith 
C)  Chondrosarcoma 
D)  Florid osseous dysplasia 
A)  Osteitis deformans 
B)  Sialolith 
C)  Chondrosarcoma 
D)  Florid osseous dysplasia

Question 16

An x-ray is:

Accepted Answer

A)  An image that is produced on photosensitive film. 
B)  A beam of energy that has the power to penetrate substances. 
C)  A radiograph. 
D)  The actual film exposed. 
A)  An image that is produced on photosensitive film. 
B)  A beam of energy that has the power to penetrate substances. 
C)  A radiograph. 
D)  The actual film exposed.

Question 17

The term ____ refers to a well-defined, localized radiopaque area surrounded by a uniform radiolucent halo.

Accepted Answer

A)  Focal opacity 
B)  Target lesion 
C)  Multifocal confluent 
D)  Ground glass 
A)  Focal opacity 
B)  Target lesion 
C)  Multifocal confluent 
D)  Ground glass

Question 18

A ground-glass appearance of bone is associated with which of the following diseases?

Accepted Answer

A)  Condensing osteitis 
B)  Osteosarcoma 
C)  Fibrous dysplasia 
D)  Benign cementoblastoma 
A)  Condensing osteitis 
B)  Osteosarcoma 
C)  Fibrous dysplasia 
D)  Benign cementoblastoma

Exam 31: Descriptive Terminology

Radiopaque lesions may occur in:

The term ____ refers to a radiolucent lesion located around the crown of an impacted tooth.

Most structures radiographed ____ exhibit uniform thickness and therefore appear ____.

Which of the following structures would appear the most radiopaque?

Dental caries appear ____ because the area of the tooth with caries is ____ dense than surrounding structures.

A unilocular lesion with corticated borders is usually indicative of a ____ process.

Which of the following is an example of a radiopaque structure?

Unilocular lesions tend to be:

Which of the following would be an example of a mixed lucent-opaque lesion?

Condensing osteitis is an example of a lesion that can be described as:

Which of the following terms is used to classify a radiolucent lesion?

A radiograph should not be referred to as a(n):

A radiograph appears ____ where the tissues are soft or thin.

A(n) ____ is an image that is produced on photosensitive film.

Which of the following is an example of a soft-tissue opacity?

An x-ray is:

The term ____ refers to a well-defined, localized radiopaque area surrounded by a uniform radiolucent halo.

A ground-glass appearance of bone is associated with which of the following diseases?

Radiation History

Radiation Physics

Radiation Characteristics

Radiation Biology

Radiation Protection

Dental X-Ray Equipment

Dental X-Ray Film

Dental X-Ray Image Characteristics

Dental X-Ray Film Processing

Quality Assurance in the Dental Office

Dental Radiographs and the Dental Radiographer

Patient Relations and the Dental Radiographer

Patient Education and the Dental Radiographer

Legal Issues and the Dental Radiographer

Infection Control and the Dental Radiographer

Introduction to Radiographic Examinations

Paralleling Technique

Bisecting Technique

Bite-Wing Technique

Exposure and Technique Errors

Occlusal and Localization Techniques

Panoramic Imaging

Extraoral Imaging

Imaging of Patients With Special Needs

Digital Imaging

Three-Dimensional Digital Imaging

Normal Anatomy: Intraoral Images

Film Mounting and Viewing

Normal Anatomy: Panoramic Images

Introduction to Image Interpretation

Identification of Restorations, Dental Materials, and Foreign Objects

Interpretation of Dental Caries

Interpretation of Periodontal Disease

Interpretation of Trauma and Pulpal and Periapical Lesions

Filters

Most structures radiographed exhibit uniform thickness and therefore appear .

Dental caries appear because the area of the tooth with caries is dense than surrounding structures.