Question 1

The exposure settings used for extraoral radiographs depend on each of the following EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  The patient's size 
B)  The tissue density 
C)  The film-screen combination 
D)  The developer temperature 
A)  The patient's size 
B)  The tissue density 
C)  The film-screen combination 
D)  The developer temperature

Question 2

Of what is the front cover of a rigid extraoral film cassette constructed?

Accepted Answer

The answer of Of what is the front cover of...

Question 3

Which of these statements is FALSE?

Accepted Answer

A)  Poor screen-film contact results in a blurry image. 
B)  Cassettes should be checked for warping to ensure close screen-film contact. 
C)  Intensifying screens should be cleaned weekly. 
D)  Cassette hinges and snaps should be checked to ensure light-tightness. 
A)  Poor screen-film contact results in a blurry image. 
B)  Cassettes should be checked for warping to ensure close screen-film contact. 
C)  Intensifying screens should be cleaned weekly. 
D)  Cassette hinges and snaps should be checked to ensure light-tightness.

Question 4

Cone beam computed tomography (CBCT) is computed tomography technology dedicated to dental applications.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is least likely to use extraoral radiography?

Accepted Answer

A)  An orthodontist 
B)  A prosthodontist 
C)  An endodontist 
D)  An oral surgeon 
A)  An orthodontist 
B)  A prosthodontist 
C)  An endodontist 
D)  An oral surgeon

Question 6

Extraoral radiographs are useful for each of the following EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  Unexplained gingival bleeding 
B)  Growth and development 
C)  Suspected impactions 
D)  A patient with limited ability to open the mouth 
A)  Unexplained gingival bleeding 
B)  Growth and development 
C)  Suspected impactions 
D)  A patient with limited ability to open the mouth

Question 7

Calcium tungstate or barium strontium sulfate will fluoresce and emit energy in the form of green light when they absorb x-rays.

Accepted Answer

A) True 
 B)False

Question 8

Each of the following statements regarding extraoral film is correct EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  Handle by the edges only. 
B)  Remove from the box slowly. 
C)  Slide across the intensifying screens when placing it in the cassette. 
D)  Load into the cassette just prior to use. 
A)  Handle by the edges only. 
B)  Remove from the box slowly. 
C)  Slide across the intensifying screens when placing it in the cassette. 
D)  Load into the cassette just prior to use.

Question 9

The patient's exposure to radiation is increased over intraoral radiographs when using intensifying screens because extraoral film is more sensitive to light than intraoral film.

Accepted Answer

A)  Both the statement and reason are correct and related. 
B)  Both the statement and reason are correct but NOT related. 
C)  The statement is correct, but the reason is NOT. 
D)  The statement is NOT correct, but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct. 
A)  Both the statement and reason are correct and related. 
B)  Both the statement and reason are correct but NOT related. 
C)  The statement is correct, but the reason is NOT. 
D)  The statement is NOT correct, but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct.

Question 10

Intensifying screens intensify the x-ray beam.

Accepted Answer

A) True 
 B)False

Question 11

Latex or vinyl treatment gloves should be used to handle extraoral films.

Accepted Answer

A) True 
 B)False

Question 12

A static charge can result in a radiographic artifact.

Accepted Answer

A) True 
 B)False

Question 13

The radiographic technique that uses simultaneous movement of the x-ray source and the image receptor to record images of structures located within a selected plane of tissue while blurring structures outside the selected plane is called "tomography."

Accepted Answer

A) True 
 B)False

Question 14

Extraoral film should be loaded in the cassette just prior to use.

Accepted Answer

A) True 
 B)False

Question 15

Of what is a grid used in extraoral radiographic techniques composed?

Accepted Answer

A grid is a mechanical device composed o

Question 16

A grid is a device used in extraoral radiography to prevent scatter radiation from fogging the image receptor.

Accepted Answer

A) True 
 B)False

Question 17

Which of these extraoral radiographs is most often used to examine the sinuses?

Accepted Answer

A)  Waters 
B)  Reverse Towne 
C)  Submentovertex 
D)  Lateral cephalometric 
A)  Waters 
B)  Reverse Towne 
C)  Submentovertex 
D)  Lateral cephalometric

Question 18

Interchanging green- and blue-light-sensitive films between calcium tungstate and rare earth screens would produce:

Accepted Answer

A)  increased image sharpness. 
B)  faster film speeds. 
C)  latent images with less radiation. 
D)  undiagnostic radiographic images. 
A)  increased image sharpness. 
B)  faster film speeds. 
C)  latent images with less radiation. 
D)  undiagnostic radiographic images.

Question 19

Which of these extraoral radiographs is most often used to aid in diagnosing temporomandibular joint problems?

Accepted Answer

A)  Lateral skull projection 
B)  Transcranial projection 
C)  Reverse Towne projection 
D)  Posteroanterior projection 
A)  Lateral skull projection 
B)  Transcranial projection 
C)  Reverse Towne projection 
D)  Posteroanterior projection

Question 20

Which of the following is the device that transfers x?ray energy into visible light?

Accepted Answer

A)  The grid 
B)  The cassette 
C)  The cephalostat 
D)  The intensifying screen 
A)  The grid 
B)  The cassette 
C)  The cephalostat 
D)  The intensifying screen

Exam 29: Radiographic Techniques for Specific Oral Conditions

The exposure settings used for extraoral radiographs depend on each of the following EXCEPT one. Which one is the EXCEPTION?

Of what is the front cover of a rigid extraoral film cassette constructed?

Which of these statements is FALSE?

Cone beam computed tomography (CBCT) is computed tomography technology dedicated to dental applications.

Which of the following is least likely to use extraoral radiography?

Extraoral radiographs are useful for each of the following EXCEPT one. Which one is the EXCEPTION?

Calcium tungstate or barium strontium sulfate will fluoresce and emit energy in the form of green light when they absorb x-rays.

Each of the following statements regarding extraoral film is correct EXCEPT one. Which one is the EXCEPTION?

The patient's exposure to radiation is increased over intraoral radiographs when using intensifying screens because extraoral film is more sensitive to light than intraoral film.

Intensifying screens intensify the x-ray beam.

Latex or vinyl treatment gloves should be used to handle extraoral films.

A static charge can result in a radiographic <KT>artifact</KT>.

The radiographic technique that uses simultaneous movement of the x-ray source and the image receptor to record images of structures located within a selected plane of tissue while blurring structures outside the selected plane is called "tomography."

Extraoral film should be loaded in the cassette just prior to use.

Of what is a grid used in extraoral radiographic techniques composed?

A grid is a device used in extraoral radiography to prevent scatter radiation from fogging the image receptor.

Which of these extraoral radiographs is most often used to examine the sinuses?

Interchanging green- and blue-light-sensitive films between calcium tungstate and rare earth screens would produce:

Which of these extraoral radiographs is most often used to aid in diagnosing temporomandibular joint problems?

Which of the following is the device that transfers x?ray energy into visible light?

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

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

Filters