Question 1

If you are using size 2 receptors,how many exposures will you need to take of the anterior teeth?

Accepted Answer

A) Four 
B) Six 
C) Seven 
D) Eight 
A) Four 
B) Six 
C) Seven 
D) Eight

Question 2

Which of the following images must include the crowns,roots,and surrounding bone,sinus and tuberosity region of the first,second,and third molars?

Accepted Answer

A) Maxillary premolar 
B) Maxillary molar 
C) Mandibular premolar 
D) Mandibular molar 
A) Maxillary premolar 
B) Maxillary molar 
C) Mandibular premolar 
D) Mandibular molar

Question 3

Identify the major placement error in this molar radiograph.

Accepted Answer

A) Too far mesial 
B) Too far distal 
C) Vertical angulation 
D) Horizontal angulation 
A) Too far mesial 
B) Too far distal 
C) Vertical angulation 
D) Horizontal angulation

Question 4

Parallel is defined as

Accepted Answer

A) cutting across or through. 
B) intersecting at or forming a right angle. 
C) moving or lying in the same plane,always separated by the same distance and not intersecting. 
D) an angle of 90 degrees formed by two lines perpendicular to each other. 
A) cutting across or through. 
B) intersecting at or forming a right angle. 
C) moving or lying in the same plane,always separated by the same distance and not intersecting. 
D) an angle of 90 degrees formed by two lines perpendicular to each other.

Question 5

The authors recommend using a size ____ receptor for anterior teeth and a size ____ receptor for posterior teeth.

Accepted Answer

A) 1;1 
B) 2;2 
C) 1;2 
D) 2;1 
A) 1;1 
B) 2;2 
C) 1;2 
D) 2;1

Question 6

Image magnification can be decreased when the _______________ is increased.

Accepted Answer

A) target-object 
B) object-receptor 
C) target-receptor 
D) operator-patient 
A) target-object 
B) object-receptor 
C) target-receptor 
D) operator-patient

Question 7

When using film,the dot should always be placed ________ in relation to the bite-block.

Accepted Answer

A) down 
B) up 
C) distal 
D) in the slot 
A) down 
B) up 
C) distal 
D) in the slot

Question 8

Which posterior quadrant should you move to next (second)when using the paralleling technique?

Accepted Answer

A) Maxillary left quadrant 
B) Maxillary right quadrant 
C) Mandibular left quadrant 
D) Mandibular right quadrant 
A) Maxillary left quadrant 
B) Maxillary right quadrant 
C) Mandibular left quadrant 
D) Mandibular right quadrant

Question 9

Identify this image;it is mounted using the labial view.

Accepted Answer

A) Maxillary right canine 
B) Maxillary left canine 
C) Maxillary right incisors 
D) Maxillary left incisors 
A) Maxillary right canine 
B) Maxillary left canine 
C) Maxillary right incisors 
D) Maxillary left incisors

Question 10

If you are using size 1 receptors,how many exposures will you need to take of the anterior teeth?

Accepted Answer

A) Four 
B) Six 
C) Seven 
D) Eight 
A) Four 
B) Six 
C) Seven 
D) Eight

Question 11

Your patient has a palatal torus,where should you place the receptor?

Accepted Answer

A) You cannot take a periapical,the patient will require a panoramic receptor. 
B) Place the receptor on the torus. 
C) Place the receptor in front of the torus next to the teeth you are exposing. 
D) Place the receptor on the far side of the torus. 
A) You cannot take a periapical,the patient will require a panoramic receptor. 
B) Place the receptor on the torus. 
C) Place the receptor in front of the torus next to the teeth you are exposing. 
D) Place the receptor on the far side of the torus.

Question 12

According to the basic rules of paralleling,the central ray should be directed ______________ to the receptor and the long axis of the tooth.

Accepted Answer

A) parallel 
B) perpendicular 
C) horizontal 
D) adjacent 
A) parallel 
B) perpendicular 
C) horizontal 
D) adjacent

Question 13

According to the text,a size 1 receptor is always positioned with the long portion of the receptor in a ____________ direction,and a size 2 receptor is always positioned with the long portion of the receptor in a ______________ direction.

Accepted Answer

A) vertical;vertical 
B) horizontal;horizontal 
C) vertical;horizontal 
D) horizontal;vertical 
A) vertical;vertical 
B) horizontal;horizontal 
C) vertical;horizontal 
D) horizontal;vertical

Question 14

(1)When using the paralleling technique,you must be conscious of fixed vertical angulations.(2)The paralleling technique creates dental images free from dimensional distortion.

Accepted Answer

A) Both statements are true. 
B) Both statements are false. 
C) The first statement is true;the second statement is false. 
D) The first statement is false;the second statement is true. 
A) Both statements are true. 
B) Both statements are false. 
C) The first statement is true;the second statement is false. 
D) The first statement is false;the second statement is true.

Question 15

If you are taking an anterior image sequence,which tooth do the authors recommend you begin with?

Accepted Answer

A) 6 
B) 8 
C) 9 
D) 11 
A) 6 
B) 8 
C) 9 
D) 11

Exam 17: Paralleling Technique

If you are using size 2 receptors,how many exposures will you need to take of the anterior teeth?

Which of the following images must include the crowns,roots,and surrounding bone,sinus and tuberosity region of the first,second,and third molars?

Identify the major placement error in this molar radiograph.

Parallel is defined as

The authors recommend using a size ____ receptor for anterior teeth and a size ____ receptor for posterior teeth.

Image magnification can be decreased when the _______________ is increased.

When using film,the dot should always be placed ________ in relation to the bite-block.

Which posterior quadrant should you move to next (second)when using the paralleling technique?

Identify this image;it is mounted using the labial view.

If you are using size 1 receptors,how many exposures will you need to take of the anterior teeth?

Your patient has a palatal torus,where should you place the receptor?

According to the basic rules of paralleling,the central ray should be directed ______________ to the receptor and the long axis of the tooth.

According to the text,a size 1 receptor is always positioned with the long portion of the receptor in a ____________ direction,and a size 2 receptor is always positioned with the long portion of the receptor in a ______________ direction.

(1)When using the paralleling technique,you must be conscious of fixed vertical angulations.(2)The paralleling technique creates dental images free from dimensional distortion.

If you are taking an anterior image sequence,which tooth do the authors recommend you begin with?

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

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

Descriptive Terminology

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

The authors recommend using a size receptor for anterior teeth and a size receptor for posterior teeth.

According to the text,a size 1 receptor is always positioned with the long portion of the receptor in a direction,and a size 2 receptor is always positioned with the long portion of the receptor in a __ direction.