Question 1

A periapical view shows the tooth from the occlusal surface or incisal edge to the:

Accepted Answer

A) crest of alveolar bone. 
B) furcation. 
C) apex of the root. 
D) bone about 2 to 3 mm beyond the apex. 
A) crest of alveolar bone. 
B) furcation. 
C) apex of the root. 
D) bone about 2 to 3 mm beyond the apex.

Question 2

When taking radiographs using film,the white side of the film is always placed:

Accepted Answer

A) away from the teeth. 
B) toward the teeth. 
C) either away from or toward the teeth, it does not matter. 
D) right next to the teeth being radiographed. 
A) away from the teeth. 
B) toward the teeth. 
C) either away from or toward the teeth, it does not matter. 
D) right next to the teeth being radiographed.

Question 3

What size film sensor is used for the anterior region of the mouth?

Accepted Answer

A) #1 
B) #2 
C) #3 
D) Either a or b 
A) #1 
B) #2 
C) #3 
D) Either a or b

Question 4

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 5

The _____ technique may be used in some situations such as a small mouth,shallow palate,or the presence of tori.

Accepted Answer

A) paralleling 
B) bitewing 
C) bisecting 
D) long-cone 
A) paralleling 
B) bitewing 
C) bisecting 
D) long-cone

Question 6

When using a #2 film sensor for anterior views using the paralleling technique,there are _____ anterior images.

Accepted Answer

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

Question 7

In order 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 8

If the size #2 film sensor is being used,the anterior films are in the ______ position and the posterior films/sensors are in the ______ position.

Accepted Answer

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

Question 9

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 10

Basic principles of the bitewing technique include the:

Accepted Answer

A) film sensor is placed parallel to the crowns of the teeth. 
B) blue Rinn type holder is used to stabilize the film sensor in the patient's mouth. 
C) central ray is directed through the contacts of the teeth using +10 degrees horizontal angulation. 
D) angulation of the PID is not a factor in the bitewing technique. 
A) film sensor is placed parallel to the crowns of the teeth. 
B) blue Rinn type holder is used to stabilize the film sensor in the patient's mouth. 
C) central ray is directed through the contacts of the teeth using +10 degrees horizontal angulation. 
D) angulation of the PID is not a factor in the bitewing technique.

Question 11

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) 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) all of the above.

Question 12

When mounting x-rays,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) 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) all of the above.

Question 13

Incorrect vertical angulation can result in an image that is:

Accepted Answer

A) elongated. 
B) foreshortened. 
C) overlapped. 
D) either a or b. 
A) elongated. 
B) foreshortened. 
C) overlapped. 
D) either a or b.

Question 14

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.

Question 15

If the patient is in a wheelchair,doesn't have use of his or her upper limbs,and a film sensor holder cannot be used to stabilize the film sensor,you should do which of the following?

Accepted Answer

A) You may ask the patient's caregiver to assist in holding the film sensor. 
B) Hold the film sensor in the patient's mouth while you press the exposure button. 
C) Hold the film sensor in the patient's mouth and ask the caregiver to press the exposure button. 
D) Turn the wheelchair on its side until gravity holds the film sensor in the proper position. 
A) You may ask the patient's caregiver to assist in holding the film sensor. 
B) Hold the film sensor in the patient's mouth while you press the exposure button. 
C) Hold the film sensor in the patient's mouth and ask the caregiver to press the exposure button. 
D) Turn the wheelchair on its side until gravity holds the film sensor in the proper position.

Question 16

The bitewing view shows the:

Accepted Answer

A) crowns and interproximal areas of the maxillary and mandibular teeth. 
B) whole tooth crown to apex and surrounding bone. 
C) crestal bone. 
D) both a and c. 
A) crowns and interproximal areas of the maxillary and mandibular teeth. 
B) whole tooth crown to apex and surrounding bone. 
C) crestal bone. 
D) both a and c.

Question 17

With the paralleling technique,usually there are ____ posterior film sensor images taken.

Accepted Answer

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

Question 18

For management of the patient with a gag reflex:

Accepted Answer

A) slide the film sensor along the palate to minimize the possibility of eliciting the gag reflex. 
B) position the film sensor slowly. 
C) if intraoral images are impossible to obtain, you must use extraoral images. 
D) radiographic images are not necessary. 
A) slide the film sensor along the palate to minimize the possibility of eliciting the gag reflex. 
B) position the film sensor slowly. 
C) if intraoral images are impossible to obtain, you must use extraoral images. 
D) radiographic images are not necessary.

Question 19

An intraoral full-mouth survey (FMX) on an adult consists of _____ images.

Accepted Answer

A) 18 to 20. 
B) 4. 
C) 10 periapical images and 2 bitewing. 
D) 4 anterior images and 8 posterior. 
A) 18 to 20. 
B) 4. 
C) 10 periapical images and 2 bitewing. 
D) 4 anterior images and 8 posterior.

Question 20

The American Dental Association recommends that films be mounted:

Accepted Answer

A) with the concave portion of the dot facing up. 
B) according to the labial mounting method. 
C) as if the viewer is standing on the patient's tongue. 
D) so the patient's left side is on the viewer's left side. 
A) with the concave portion of the dot facing up. 
B) according to the labial mounting method. 
C) as if the viewer is standing on the patient's tongue. 
D) so the patient's left side is on the viewer's left side.

Exam 41: Intraoral Imaging

A periapical view shows the tooth from the occlusal surface or incisal edge to the:

When taking radiographs using film,the white side of the film is always placed:

What size film sensor is used for the anterior region of the mouth?

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):

The _____ technique may be used in some situations such as a small mouth,shallow palate,or the presence of tori.

When using a #2 film sensor for anterior views using the paralleling technique,there are _____ anterior images.

In order to minimize image distortion,the:

If the size #2 film sensor is being used,the anterior films are in the ______ position and the posterior films/sensors are in the ______ position.

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

Basic principles of the bitewing technique include the:

Vertical angulation:

When mounting x-rays,it is important to:

Incorrect vertical angulation can result in an image that is:

The bitewing view is used for detecting:

If the patient is in a wheelchair,doesn't have use of his or her upper limbs,and a film sensor holder cannot be used to stabilize the film sensor,you should do which of the following?

The bitewing view shows the:

With the paralleling technique,usually there are ____ posterior film sensor images taken.

For management of the patient with a gag reflex:

An intraoral full-mouth survey (FMX) on an adult consists of _____ images.

The American Dental Association recommends that films be mounted:

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

If the size #2 film sensor is being used,the anterior films are in the position and the posterior films/sensors are in the position.