Question 1

A pantomograph does NOT show

Accepted Answer

A)  Maxilla 
B)  Mandible 
C)  Clavicle 
D)  Nasal cavity 
A)  Maxilla 
B)  Mandible 
C)  Clavicle 
D)  Nasal cavity C

Question 2

Which radiographs are often used in orthodontics?

Accepted Answer

A)  Panorex and bitewings 
B)  Panorex and lateral cephalometric 
C)  Panorex and full mouth series 
D)  Lateral cephalometric and bitewings 
A)  Panorex and bitewings 
B)  Panorex and lateral cephalometric 
C)  Panorex and full mouth series 
D)  Lateral cephalometric and bitewings B

Question 3

Calculus is more radiolucent than body fluids on radiographs.Fat is more radiopaque than metal on radiographs.

Accepted Answer

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

Question 4

Collimation refers to shaping the radiograph beam to the area that is to be imaged.Using a round collimation instead of a rectangular collimation results in radiation reduction to the patient by 60%.

Accepted Answer

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

Question 5

Which of the following should NOT be included in an office's radiation protection guidelines?

Accepted Answer

A)  Cost of radiographs 
B)  Patients requiring a lead apron and thyroid collar 
C)  Necessity of a clinical exam prior to prescription of radiographs 
D)  Settings (mA,kVp,time)for a radiograph unit 
A)  Cost of radiographs 
B)  Patients requiring a lead apron and thyroid collar 
C)  Necessity of a clinical exam prior to prescription of radiographs 
D)  Settings (mA,kVp,time)for a radiograph unit

Question 6

Chad arrives for his periodontal maintenance visit.The hygienist informs Chad he is due for radiographs.He had a full mouth series 2 years ago.Which radiograph is best to take today?

Accepted Answer

A)  Full mouth series 
B)  Horizontal bitewings 
C)  Vertical bitewings 
D)  Panorex 
A)  Full mouth series 
B)  Horizontal bitewings 
C)  Vertical bitewings 
D)  Panorex

Question 7

Stochastic effects are dose dependent.In dentistry,all ionizing radiation effects involve the possibility of an all-or-nothing effect.

Accepted Answer

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

Question 8

Which of the following is the most radiolucent on a radiograph?

Accepted Answer

A)  Amalgam 
B)  Air 
C)  Soft tissues 
D)  Composite 
A)  Amalgam 
B)  Air 
C)  Soft tissues 
D)  Composite

Question 9

Which analog film processing step removes chemicals from the film?

Accepted Answer

A)  Developer 
B)  Fixer 
C)  Wash 
D)  Dry 
A)  Developer 
B)  Fixer 
C)  Wash 
D)  Dry

Question 10

The dentist suspects there is an infection on tooth #29.Which radiograph is best to take?

Accepted Answer

A)  Occlusal 
B)  Panorex 
C)  Periapical 
D)  Bitewing 
A)  Occlusal 
B)  Panorex 
C)  Periapical 
D)  Bitewing

Question 11

Which of the following is NOT radiopaque on a radiograph?

Accepted Answer

A)  Enamel 
B)  Metal 
C)  Calculus 
D)  Soft tissue 
A)  Enamel 
B)  Metal 
C)  Calculus 
D)  Soft tissue

Question 12

Which of the following are two parts of the emulsion?

Accepted Answer

A)  Silver halide and silver oxide 
B)  Silver bromide and silver oxide 
C)  Silver bromide and silver halide 
D)  Gold bromide and gold halide 
A)  Silver halide and silver oxide 
B)  Silver bromide and silver oxide 
C)  Silver bromide and silver halide 
D)  Gold bromide and gold halide

Question 13

Which is the first step in the analog film processing?

Accepted Answer

A)  Wash 
B)  Dry 
C)  Developer 
D)  Fixer 
A)  Wash 
B)  Dry 
C)  Developer 
D)  Fixer

Question 14

Which of the following is NOT an intraoral radiograph?

Accepted Answer

A)  Periapical 
B)  Bitewings 
C)  Occlusal 
D)  Panorex 
A)  Periapical 
B)  Bitewings 
C)  Occlusal 
D)  Panorex

Question 15

Which process removes unexposed and undeveloped silver bromide and silver halide grains?

Accepted Answer

A)  Wash 
B)  Dry 
C)  Developer 
D)  Fixer 
A)  Wash 
B)  Dry 
C)  Developer 
D)  Fixer

Question 16

Computed radiography is an analog imaging system that uses photostimulable phosphor plates to capture an image.Digital radiography is a digital imaging system that uses sensors and flat panel detectors to capture images that are directly connected to a computer,providing a near instantaneous image.

Accepted Answer

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

Question 17

Which of the following size images are available for digital radiography imaging systems?

Accepted Answer

A)  0,1,2 
B)  1,2,3 
C)  0,2,4 
D)  2,3,4 
A)  0,1,2 
B)  1,2,3 
C)  0,2,4 
D)  2,3,4

Question 18

X-rays have a longer wavelength than gamma rays.Visible light has a higher frequency than radio waves.

Accepted Answer

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

Question 19

ALARA stands for

Accepted Answer

A)  As Low As Reasonably Acceptable 
B)  As Low As Reasonably Achievable 
C)  As Low As Reasonably Acquirable 
D)  As Low As Reasonably Affective 
A)  As Low As Reasonably Acceptable 
B)  As Low As Reasonably Achievable 
C)  As Low As Reasonably Acquirable 
D)  As Low As Reasonably Affective

Question 20

Justification indicates that you should evaluate each patient individually,taking into account their caries status and risk,oral hygiene,and age.Standing orders should not be set.

Accepted Answer

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

Exam 15: Radiology

A pantomograph does NOT show

Which radiographs are often used in orthodontics?

Calculus is more radiolucent than body fluids on radiographs.Fat is more radiopaque than metal on radiographs.

Collimation refers to shaping the radiograph beam to the area that is to be imaged.Using a round collimation instead of a rectangular collimation results in radiation reduction to the patient by 60%.

Which of the following should NOT be included in an office's radiation protection guidelines?

Chad arrives for his periodontal maintenance visit.The hygienist informs Chad he is due for radiographs.He had a full mouth series 2 years ago.Which radiograph is best to take today?

Stochastic effects are dose dependent.In dentistry,all ionizing radiation effects involve the possibility of an all-or-nothing effect.

Which of the following is the most radiolucent on a radiograph?

Which analog film processing step removes chemicals from the film?

The dentist suspects there is an infection on tooth #29.Which radiograph is best to take?

Which of the following is NOT radiopaque on a radiograph?

Which of the following are two parts of the emulsion?

Which is the first step in the analog film processing?

Which of the following is NOT an intraoral radiograph?

Which process removes unexposed and undeveloped silver bromide and silver halide grains?

Computed radiography is an analog imaging system that uses photostimulable phosphor plates to capture an image.Digital radiography is a digital imaging system that uses sensors and flat panel detectors to capture images that are directly connected to a computer,providing a near instantaneous image.

Which of the following size images are available for digital radiography imaging systems?

X-rays have a longer wavelength than gamma rays.Visible light has a higher frequency than radio waves.

ALARA stands for

Justification indicates that you should evaluate each patient individually,taking into account their caries status and risk,oral hygiene,and age.Standing orders should not be set.

Dental Hygiene As a Profession

Legal and Ethical Considerations

Communication Skills

Health Education and Promotion

Immunology and the Oral Systemic Link

Evidence-Based Care

Exposure and Infection Control

Comprehensive Medical and Oral Health History

Assessment Instruments

Extraoral and Intraoral Examination

The Periodontal Examination

Hard Tissue Examination

Biofilm,calculus,and Stain

Indices

Dietary Assessment and Nutritional Counseling

Risk Assessment

Dental Hygiene Diagnosis,treatment Plan,documentation,and Case Presentation

Devices

Dentifrices and Mouthrinses

Cariology and Caries Management

Sealants

Prostheses and Appliances,therapeutic Treatment

Ergonomics

Power Scaling

Instrumentation Principles and Techniques

Nonsurgical and Surgical Periodontal Therapy

Management of Dentin Hypersensitivity

Polishing

Esthetics

Dental Fear and Anxiety Management

Nitrous Oxideoxygen Sedation

Local Anesthesia

Evaluation

Maintenance

Introduction to Special Needs

Cardiovascular Disease

Respiratory

Sensory Disability: Vision and Hearing Impairment

Mental Health

Neurological Impairments

Endocrine System

Immune System

Hematological Considerations

Cancer

Pediatric Patient

Mens and Womens Health Issues

The Elderly

Physical Impairment

Alternative Practice Settings

Dental and Medical Emergencies

Practice Management

Career Development

Lifelong Learning

Filters