TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
4 Radiation Biology
CHAPTER REVIEW ANSWER KEY
Multiple Choice
1. d
Rationale: The latent period is defined as the time that elapses between exposure to ionizing
5. c
Rationale: In dental radiography, biologic damage does occur even though the dose of radiation is
low. A linear relationship indicates that the tissue response is directly proportional to the dose. A
Chapter 4: Radiation Biology 2
TEACH Lesson Plan
Multiple Choice (Continued)
12. a
Rationale: Critical organs are defined as organs of the body that, when exposed to radiation, may
become damaged and diminish the quality of life. Examples include skin, thyroid gland, lens of the
16. a
Rationales:
b. 1 rad = 0.01 Gy
c. 1 rem = 0.01 Sv
Chapter 4: Radiation Biology 3
TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
Multiple Choice (Continued)
23. a
Rationale: A single intraoral image using a digital sensor results in an effective exposure dose of
Ordering
26. C
31. D