TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
10 Quality Assurance in the Dental
Office
CHAPTER REVIEW ANSWER KEY
Multiple Choice
1. b
Rationale: Calibration of dental x-ray equipment should be performed only by a qualified technician to
ensure consistent x-ray machine performance.
6. b
Rationale: The viewbox used to evaluate radiographs should emit a uniform and subdued light.
Chapter 10: Quality Assurance in the Dental Office 2
TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
Multiple Choice (Continued)
12. a
Rationale: Because the reference radiograph is compared with other radiographs to determine proper
film densities, it must be processed under ideal conditions. Therefore, fresh films and fresh chemicals
15. b
Rationale: The strength of the fixer is monitored by the clearing test. When the fixer loses strength,
the film will take longer to clear (become transparent in the unexposed areas).