Question 1

The EPA requires that manufacturers of developer and fixer supply MSDS to the oral health care practices that purchase these products.

Accepted Answer

A) True 
 B)False  False

Question 2

The radiographer should not handle the lead foils from film packets unless the hands are protected with gloves.

Accepted Answer

A) True 
 B)False  False

Question 3

Accidentally mixing developer with fixer, even in minute droplets, will result in:

Accepted Answer

A)  the release of an irritating sulphur dioxide gas. 
B)  contamination of the processing chemicals. 
C)  lower-quality radiographs. 
D)  All of the above. 
A)  the release of an irritating sulphur dioxide gas. 
B)  contamination of the processing chemicals. 
C)  lower-quality radiographs. 
D)  All of the above. D

Question 4

Acidic means having a pH:

Accepted Answer

A)  of 7. 
B)  less than 7. 
C)  greater than 7. 
A)  of 7. 
B)  less than 7. 
C)  greater than 7.

Question 5

Fixer is caustic.

Accepted Answer

A) True 
 B)False

Question 6

Dentists are required by OSHA to obtain and keep on file an MSDS for every chemical product used in the practice.

Accepted Answer

A) True 
 B)False

Question 7

What happens if fixer chemicals are accidentally mixed with developer?

Accepted Answer

Accidentally mixing developer

Question 8

Which of these is the name of the synthetic rubber used in utility gloves that protect the radiographer when handling chemicals?

Accepted Answer

A)  Vinyl 
B)  Neoprene 
C)  Nitrile 
D)  Latex 
A)  Vinyl 
B)  Neoprene 
C)  Nitrile 
D)  Latex

Question 9

Switching from film-based radiography to digital imaging systems will eliminate the need for protocol for disposing of hazardous wastes.

Accepted Answer

A) True 
 B)False

Question 10

A chemical that is capable of being broken down into harmless products by living organisms such as those found in a wastewater treatment facility is considered:

Accepted Answer

A)  environmentally friendly. 
B)  user friendly. 
C)  biodegradable. 
D)  neutral. 
A)  environmentally friendly. 
B)  user friendly. 
C)  biodegradable. 
D)  neutral.

Question 11

Which of these statements is FALSE?

Accepted Answer

A)  All containers holding developer and fixer must be labeled. 
B)  Developer and fixer manufacturers are required to provide labels for their product. 
C)  Chemical labels must be at least 3 inches by 5 inches in size. 
D)  Towels used to wipe a spill must be placed in a labeled container for disposal. 
A)  All containers holding developer and fixer must be labeled. 
B)  Developer and fixer manufacturers are required to provide labels for their product. 
C)  Chemical labels must be at least 3 inches by 5 inches in size. 
D)  Towels used to wipe a spill must be placed in a labeled container for disposal.

Question 12

Which of the following is FALSE?

Accepted Answer

A)  Under normal conditions, fixer should not cause respiratory difficulty. 
B)  If heated sufficiently, developer releases a gas that may cause respiratory difficulty. 
C)  Prolonged contact with aerosols from processing chemistry may irritate individuals with asthma. 
D)  If processing chemical mist or vapors are inhaled, proceed immediately to the eyewash station. 
A)  Under normal conditions, fixer should not cause respiratory difficulty. 
B)  If heated sufficiently, developer releases a gas that may cause respiratory difficulty. 
C)  Prolonged contact with aerosols from processing chemistry may irritate individuals with asthma. 
D)  If processing chemical mist or vapors are inhaled, proceed immediately to the eyewash station.

Question 13

Developer is considered to be more acidic than fixer.

Accepted Answer

A) True 
 B)False

Question 14

What does the OSHA Hazard Communication Standard state is the purpose of a product label?

Accepted Answer

Chemical p HYPERLINK "http://carestreamh

Question 15

Unused radiographic films should be stored in lead-lined boxes especially made for this purpose.

Accepted Answer

A) True 
 B)False

Question 16

MSDS list each of the following EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  The amount of product the practice can legally store 
B)  Chemical ingredients and common name 
C)  Potential hazards of working with the product 
D)  Requirements for safe handling and storage 
A)  The amount of product the practice can legally store 
B)  Chemical ingredients and common name 
C)  Potential hazards of working with the product 
D)  Requirements for safe handling and storage

Question 17

Sodium thiosulphate found in used fixer of dental radiographic processors is actually a very stable compound.

Accepted Answer

A) True 
 B)False

Question 18

Switching from film-based radiography to a digital imaging system will eliminate the need for managing each of the following EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  Disinfectant 
B)  Developer 
C)  Fixer 
D)  Lead foils 
A)  Disinfectant 
B)  Developer 
C)  Fixer 
D)  Lead foils

Question 19

Which of these is NOT considered PPE?

Accepted Answer

A)  Mask 
B)  Gloves 
C)  Eyewear 
D)  Radiation monitoring device 
A)  Mask 
B)  Gloves 
C)  Eyewear 
D)  Radiation monitoring device

Question 20

The interaction of fixer with the silver ions in the emulsion of film produces:

Accepted Answer

A)  sodium carbonate solution. 
B)  a hydroquinone-elon combination. 
C)  silver halide molecules. 
D)  silver thiosulphate complex. 
A)  sodium carbonate solution. 
B)  a hydroquinone-elon combination. 
C)  silver halide molecules. 
D)  silver thiosulphate complex.

Exam 20: Image Orientation and Introduction to Interpretation

The EPA requires that manufacturers of developer and fixer supply MSDS to the oral health care practices that purchase these products.

The radiographer should not handle the lead foils from film packets unless the hands are protected with gloves.

Accidentally mixing developer with fixer, even in minute droplets, will result in:

Acidic means having a pH:

Fixer is caustic.

Dentists are required by OSHA to obtain and keep on file an MSDS for every chemical product used in the practice.

What happens if fixer chemicals are accidentally mixed with developer?

Which of these is the name of the synthetic rubber used in utility gloves that protect the radiographer when handling chemicals?

Switching from film-based radiography to digital imaging systems will eliminate the need for protocol for disposing of hazardous wastes.

A chemical that is capable of being broken down into harmless products by living organisms such as those found in a wastewater treatment facility is considered:

Which of these statements is FALSE?

Which of the following is FALSE?

Developer is considered to be more acidic than fixer.

What does the OSHA Hazard Communication Standard state is the purpose of a product label?

Unused radiographic films should be stored in lead-lined boxes especially made for this purpose.

MSDS list each of the following EXCEPT one. Which one is the EXCEPTION?

Sodium thiosulphate found in used fixer of dental radiographic processors is actually a very stable compound.

Switching from film-based radiography to a digital imaging system will eliminate the need for managing each of the following EXCEPT one. Which one is the EXCEPTION?

Which of these is NOT considered PPE?

The interaction of fixer with the silver ions in the emulsion of film produces:

Dental Radiography: Historical Perspective and Future Trends

Characteristics and Measurement of Radiation

The Dental X-Ray Machine: Components and Function

Factors Affecting Radiographic Quality

Effects of Radiation Exposure

Radiation Protection

Dental X-Ray Film and Processing Methods

Digital Radiography and Image Acquisition

Infection Control

Legal and Ethical Responsibilities

Patient Relations and Education

Introduction to Radiographic Examinations

The Periapical Examinationparalleling Technique

The Periapical Examinationbisecting Technique

The Bitewing Examination

The Occlusal Examination

The Panoramic Examination

Identifying and Correcting Undiagnostic Radiographs

Quality Control and Environmental Safety in Dental Radiography

Recognizing Normal Radiographic Anatomy Intraoral Radiographs

Recognizing Normal Radiographic Anatomy Panoramic Radiographs

Radiographic Appearance of Dental Materials and Foreign Objects

The Use of Radiographs in the Detection of Dental Caries

The Use of Radiographs in the Evaluation of Periodontal Diseases

Describing Radiographic Anomalies, Lesions, and Opportunistic Screening

Pediatric Radiographic Techniques

Radiographic Techniques for Patients With Special Needs

Radiographic Techniques for Specific Oral Conditions

Radiographic Techniques

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