Question 1

What is the maximum permissible dose (MPD) of whole-body radiation for persons occupationally exposed to radiation?

Accepted Answer

A)  500 mrem or 5 mSv per month 
B)  500 mrem or 5 mSv per year 
C)  5 rem per year 
D)  100 mrem per year 
A)  500 mrem or 5 mSv per month 
B)  500 mrem or 5 mSv per year 
C)  5 rem per year 
D)  100 mrem per year C

Question 2

What is used to restrict the size and shape of the x-ray beam?

Accepted Answer

A)  PID 
B)  Collimator 
C)  Control panel 
D)  Anode 
A)  PID 
B)  Collimator 
C)  Control panel 
D)  Anode B

Question 3

What is the name given to the protective flexible lead shield that is placed over the neck region during x-ray exposure?

Accepted Answer

A)  Blanket 
B)  Thyroid collar 
C)  Neck tie 
D)  Patient napkin 
A)  Blanket 
B)  Thyroid collar 
C)  Neck tie 
D)  Patient napkin B

Question 4

What concept states that all exposure to radiation must be kept to a minimum?

Accepted Answer

A)  Maximum accumulated dose 
B)  Maximum permissible dose 
C)  ALARA 
D)  Lifetime dose 
A)  Maximum accumulated dose 
B)  Maximum permissible dose 
C)  ALARA 
D)  Lifetime dose

Question 5

What is the flexible shield placed over the patient's chest and lap to protect the reproductive and blood-forming tissues from scatter radiation?

Accepted Answer

A)  PID 
B)  Thyroid collar 
C)  Lead apron 
D)  Lead collimator 
A)  PID 
B)  Thyroid collar 
C)  Lead apron 
D)  Lead collimator

Question 6

What helps in stabilizing the receptor position in the mouth and reduces the chances of movement?

Accepted Answer

A)  Collimator 
B)  Beam alignment device 
C)  PID 
D)  fast-speed film 
A)  Collimator 
B)  Beam alignment device 
C)  PID 
D)  fast-speed film

Question 7

What is used to direct the x-ray beam?

Accepted Answer

A)  Tubehead 
B)  Cathode 
C)  Control panel 
D)  PID 
A)  Tubehead 
B)  Cathode 
C)  Control panel 
D)  PID

Question 8

What is the purpose of aluminum filtration in the x-ray tubehead?

Accepted Answer

A)  To remove the low-energy, long-wavelength x-rays 
B)  To remove the high-energy, long-wavelength x-rays 
C)  To remove the low-energy, most penetrating x-rays 
D)  To remove the low-energy, short-wavelength x-rays 
A)  To remove the low-energy, long-wavelength x-rays 
B)  To remove the high-energy, long-wavelength x-rays 
C)  To remove the low-energy, most penetrating x-rays 
D)  To remove the low-energy, short-wavelength x-rays

Question 9

What is the most effective method of reducing a patient's exposure to x-radiation?

Accepted Answer

A)  Fast film 
B)  Slow film 
C)  Lead apron 
D)  Thyroid collar 
A)  Fast film 
B)  Slow film 
C)  Lead apron 
D)  Thyroid collar

What is the maximum permissible dose (MPD) of whole-body radiation for persons occupationally exposed to radiation?

What is used to restrict the size and shape of the x-ray beam?

What is the name given to the protective flexible lead shield that is placed over the neck region during x-ray exposure?

What concept states that all exposure to radiation must be kept to a minimum?

What is the flexible shield placed over the patient's chest and lap to protect the reproductive and blood-forming tissues from scatter radiation?

What helps in stabilizing the receptor position in the mouth and reduces the chances of movement?

What is used to direct the x-ray beam?

What is the purpose of aluminum filtration in the x-ray tubehead?

What is the most effective method of reducing a patient's exposure to x-radiation?

Radiation History

Radiation Physics

Radiation Characteristics

Radiation Biology

Dental X-Ray Film and Dental X-Ray Equipment

Film Processing and Dental X-Ray Image Characteristics

Quality Assurance in the Dental Office, Dental Images and the Dental Radiographer

Patient Relations, Dental Radiographer, Patient Education and the Dental Radiographer

Legal Issues and the Dental Radiographer

Introduction to Dental Imaging Examinations, Infection Control and the Dental Radiographer

Paralleling Technique, Bisecting Technique, Bite-Wing Technique, Exposure and Technique Errors

Imaging of Patients With Special Needs, Panoramic Imaging, Occlusal and Localization Techniques

Digital Imaging, Three-Dimensional Digital Imaging, Normal Anatomy: Intraoral Images, Film Mounting and Viewing

Descriptive Terminology, Introduction to Image Interpretation

Interpretation of Dental Caries, Interpretation of Periodontal Disease, Interpretation of Trauma, Pulpal Lesions, and Periapical Lesions

Filters

Exam 5: Radiation Protection

What is the maximum permissible dose (MPD) of whole-body radiation for persons occupationally exposed to radiation?

What is used to restrict the size and shape of the x-ray beam?

What is the name given to the protective flexible lead shield that is placed over the neck region during x-ray exposure?

What concept states that all exposure to radiation must be kept to a minimum?

What is the flexible shield placed over the patient's chest and lap to protect the reproductive and blood-forming tissues from scatter radiation?

What helps in stabilizing the receptor position in the mouth and reduces the chances of movement?

What is used to direct the x-ray beam?

What is the purpose of aluminum filtration in the x-ray tubehead?

What is the most effective method of reducing a patient's exposure to x-radiation?

Radiation History

Radiation Physics

Radiation Characteristics

Radiation Biology

Dental X-Ray Film and Dental X-Ray Equipment

Film Processing and Dental X-Ray Image Characteristics

Quality Assurance in the Dental Office, Dental Images and the Dental Radiographer

Patient Relations, Dental Radiographer, Patient Education and the Dental Radiographer

Legal Issues and the Dental Radiographer

Introduction to Dental Imaging Examinations, Infection Control and the Dental Radiographer

Paralleling Technique, Bisecting Technique, Bite-Wing Technique, Exposure and Technique Errors

Imaging of Patients With Special Needs, Panoramic Imaging, Occlusal and Localization Techniques

Digital Imaging, Three-Dimensional Digital Imaging, Normal Anatomy: Intraoral Images, Film Mounting and Viewing

Descriptive Terminology, Introduction to Image Interpretation

Interpretation of Dental Caries, Interpretation of Periodontal Disease, Interpretation of Trauma, Pulpal Lesions, and Periapical Lesions

Filters