Question 1

Vertical angulation:

Accepted Answer

A) differs according to the technique being used. 
B) refers to the up-and-down plane. 
C) can be determined in degrees marked on the outside of the tubehead. 
D) is all of the above. 
A) differs according to the technique being used. 
B) refers to the up-and-down plane. 
C) can be determined in degrees marked on the outside of the tubehead. 
D) is all of the above. D

Question 2

The bitewing view is used for detecting:

Accepted Answer

A) abscessed teeth. 
B) periodontal disease. 
C) interproximal decay. 
D) both b and c 
A) abscessed teeth. 
B) periodontal disease. 
C) interproximal decay. 
D) both b and c D

Question 3

The alignment of the x-ray beam in the horizontal and vertical planes formed by the long axis of the teeth and the film sensor placement is referred to as:

Accepted Answer

A) angulation. 
B) interproximal. 
C) paralleling. 
D) perpendicular. 
A) angulation. 
B) interproximal. 
C) paralleling. 
D) perpendicular. A

Question 4

Angulation of the PID is critical to ensure that the central ray is perpendicular to the bisector line in which of the following techniques?

Accepted Answer

A) Long-cone 
B) Bisecting 
C) Bitewing 
D) Both b and c 
A) Long-cone 
B) Bisecting 
C) Bitewing 
D) Both b and c

Question 5

Because of the curvature of the arch,a total of _____ bitewing views are taken on an adult patient.

Accepted Answer

A) two 
B) four 
C) six 
D) eight 
A) two 
B) four 
C) six 
D) eight

Question 6

To minimize image distortion,the:

Accepted Answer

A) film must be positioned perpendicular to the long axis of the tooth. 
B) film must be positioned parallel to the long axis of the tooth. 
C) central ray of the x-ray beam must be directed parallel to the film. 
D) central ray of the x-ray beam must be directed parallel to the long axis of the tooth. 
A) film must be positioned perpendicular to the long axis of the tooth. 
B) film must be positioned parallel to the long axis of the tooth. 
C) central ray of the x-ray beam must be directed parallel to the film. 
D) central ray of the x-ray beam must be directed parallel to the long axis of the tooth.

Question 7

Which technique can be used in situations such as a small mouth,shallow palate,or the presence of tori?

Accepted Answer

A) Paralleling technique 
B) Bitewing technique 
C) Bisecting technique 
D) Long-cone technique 
A) Paralleling technique 
B) Bitewing technique 
C) Bisecting technique 
D) Long-cone technique

Question 8

If the central ray of the x-ray beam is not centered on the film sensor,a partial image will result on the film sensor,which is called a(n):

Accepted Answer

A) cone cut. 
B) herringbone image. 
C) blurred image. 
D) elongated image. 
A) cone cut. 
B) herringbone image. 
C) blurred image. 
D) elongated image.

Question 9

Horizontal angulation is:

Accepted Answer

A) the side-to-side angulation. 
B) different when using the paralleling and bisecting techniques. 
C) correct when the central ray is parallel to the curvature of the arch. 
D) determined by the Stabe bite-block. 
A) the side-to-side angulation. 
B) different when using the paralleling and bisecting techniques. 
C) correct when the central ray is parallel to the curvature of the arch. 
D) determined by the Stabe bite-block.

Question 10

The major difference between the paralleling technique and the bisecting technique is film sensor:

Accepted Answer

A) placement. 
B) size. 
C) speed. 
D) None of the above is correct. 
A) placement. 
B) size. 
C) speed. 
D) None of the above is correct.

Question 11

When mounting radiographs,it is important to:

Accepted Answer

A) know the anatomy of the maxilla and mandible. 
B) mount the films in the order of the teeth. 
C) label the mount with the patient's name and date before mounting the films. 
D) do all of the above. 
A) know the anatomy of the maxilla and mandible. 
B) mount the films in the order of the teeth. 
C) label the mount with the patient's name and date before mounting the films. 
D) do all of the above.

Question 12

Periapical radiographs are essential in which dental specialty?

Accepted Answer

A) Pediatric dentistry 
B) Endodontics 
C) Oral surgery 
D) Both b and c 
A) Pediatric dentistry 
B) Endodontics 
C) Oral surgery 
D) Both b and c

Question 13

A radiographic mount should always be labeled with the:

Accepted Answer

A) patient's name. 
B) operator's name. 
C) patient's name and the date the images were exposed. 
D) patient's name and the date the images were processed. 
A) patient's name. 
B) operator's name. 
C) patient's name and the date the images were exposed. 
D) patient's name and the date the images were processed.

Question 14

Occlusal radiographs can be used for:

Accepted Answer

A) detecting decay. 
B) checking bone levels between the teeth. 
C) locating unerupted teeth. 
D) checking for infections at the apex of the teeth. 
A) detecting decay. 
B) checking bone levels between the teeth. 
C) locating unerupted teeth. 
D) checking for infections at the apex of the teeth.

Question 15

To correct an elongated image on an x-ray view,the vertical angulation needs to be:

Accepted Answer

A) increased. 
B) decreased. 
C) lowered. 
D) flattened. 
A) increased. 
B) decreased. 
C) lowered. 
D) flattened.

Question 16

What is the usual number of posterior film sensor images taken in the parallel technique?

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
A) 2 
B) 4 
C) 6 
D) 8

Question 17

When using an x-ray sensor,it is important to always:

Accepted Answer

A) place a cotton roll between the sensor and the teeth being x-rayed to protect the sensor. 
B) use the bisecting technique. 
C) place the sensor parallel to the incisal or occlusal edge of the teeth. 
D) make sure the sensor is against the teeth being radiographed. 
A) place a cotton roll between the sensor and the teeth being x-rayed to protect the sensor. 
B) use the bisecting technique. 
C) place the sensor parallel to the incisal or occlusal edge of the teeth. 
D) make sure the sensor is against the teeth being radiographed.

Question 18

The dental assistant exposing a periapical film sensor using the paralleling technique should always start with the:

Accepted Answer

A) anterior teeth. 
B) molars. 
C) upper teeth. 
D) lower teeth. 
A) anterior teeth. 
B) molars. 
C) upper teeth. 
D) lower teeth.

Question 19

According to the guidelines for film placement,which of the following is true?

Accepted Answer

A) The colored side of the film always faces the teeth. 
B) Anterior films are always placed horizontally. 
C) Posterior periapical films are always placed vertically. 
D) The identification dot on the film is always placed in the slot of the film holder. 
A) The colored side of the film always faces the teeth. 
B) Anterior films are always placed horizontally. 
C) Posterior periapical films are always placed vertically. 
D) The identification dot on the film is always placed in the slot of the film holder.

Question 20

When taking periapical images,it is best to start with anterior images because:

Accepted Answer

A) they are easier on the operator to take. 
B) patients are less likely to gag with anterior film sensor placement. 
C) patients can tolerate the film sensor size easier. 
D) of both b and c 
A) they are easier on the operator to take. 
B) patients are less likely to gag with anterior film sensor placement. 
C) patients can tolerate the film sensor size easier. 
D) of both b and c

Exam 41: Intraoral Imaging

Vertical angulation:

The bitewing view is used for detecting:

The alignment of the x-ray beam in the horizontal and vertical planes formed by the long axis of the teeth and the film sensor placement is referred to as:

Angulation of the PID is critical to ensure that the central ray is perpendicular to the bisector line in which of the following techniques?

Because of the curvature of the arch,a total of _____ bitewing views are taken on an adult patient.

To minimize image distortion,the:

Which technique can be used in situations such as a small mouth,shallow palate,or the presence of tori?

If the central ray of the x-ray beam is not centered on the film sensor,a partial image will result on the film sensor,which is called a(n):

Horizontal angulation is:

The major difference between the paralleling technique and the bisecting technique is film sensor:

When mounting radiographs,it is important to:

Periapical radiographs are essential in which dental specialty?

A radiographic mount should always be labeled with the:

Occlusal radiographs can be used for:

To correct an elongated image on an x-ray view,the vertical angulation needs to be:

What is the usual number of posterior film sensor images taken in the parallel technique?

When using an x-ray sensor,it is important to always:

The dental assistant exposing a periapical film sensor using the paralleling technique should always start with the:

According to the guidelines for film placement,which of the following is true?

When taking periapical images,it is best to start with anterior images because:

History of Dentistry

The Professional Dental Assistant

The Dental Healthcare Team

Dental Ethics

Dentistry and the Law

General Anatomy

General Physiology

Oral Embryology and Histology

Head and Neck Anatomy

Landmarks of the Face and Oral Cavity

Overview of the Dentitions

Tooth Morphology

Dental Caries

Periodontal Disease

Preventive Dentistry

Nutrition

Oral Pathology

Microbiology

Disease Transmission and Infection Prevention

Principles and Techniques of Disinfection

Principles and Techniques of Instrument Processing and Sterilization

Regulatory and Advisory Agencies

Chemical and Waste Management

Dental Unit Waterlines

Ergonomics

The Patient Record

Vital Signs

Oral Diagnosis and Treatment Planning

The Special Needs and Medically Compromised Patient

Principles of Pharmacology

Assisting in a Medical Emergency

The Dental Office

Delivering Dental Care

Dental Hand Instruments

Dental Handpieces and Accessories

Moisture Control

Anesthesia and Pain Control

Foundations of Radiography, Radiographic Equipment, and Radiation Safety

Digital Imaging, Dental Film, and Processing Radiographs

Legal Issues, Quality Assurance, and Infection Prevention

Extraoral Imaging

Restorative and Esthetic Dental Materials

Dental Liners, Bases, and Bonding Systems

Dental Cements

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

Fixed Prosthodontics

Provisional Coverage

Removable Prosthodontics

Dental Implants

Endodontics

Periodontics

Oral and Maxillofacial Surgery

Pediatric Dentistry

Coronal Polishing

Dental Sealants

Orthodontics