DCA05DR Dental Radiation Health, Safety, and Protection, 3rd Edition _______________________________
F inal E xam
DENTAL RADIATION HEALTH, SAFETY, AND PROTECTION, 3RD EDITION
Select the best answer for each question and mark your answers on page 138. For faster service, complete your test online at EliteLearning.com/Book.
1. The residual, unrepaired injury that accrues with repeated radiation exposure is known as: A) Dosimetry.
6. Radiosensitive tissues exhibit a number of particular characteristics, which include a: A) Highly specialized function. B) Mature nature. C) Short mitotic history. D) High rate of cell division. 7. The preferred method for expressing radiation measurement, based on a modernized version of the metric system, uses:
B) The biologic effect. C) Radiation biology. D) The cumulative effect.
2. The indirect effect of radiation injury is the result of: A) The ionization of water. B) The ionization of lipids. C) X-ray interactions that ionize biologic macromol- ecules. D) X-ray interactions that ionize biologic micromol- ecules.
A) International units. B) Traditional units. C) Standard units. D) National units.
3. The most critical and radiosensitive of the primary macromolecules are:
8. The scientific determination of the amount or dose of ionizing radiation is known as: A) Exposure. B) Radioactivity. C) Dosimetry. D) Equivalent dose.
A) Protein molecules. B) Lipid molecules. C) DNA molecules. D) Carbohydrate molecules.
4. Water accounts for approximately what percentage of a person’s body weight?
9. The amount of radiation that is emitted from the tubehead and reaches the patient is known as the:
A) 20%. B) 40%. C) 60%. D) 80%.
A) Absorbed dose. B) Equivalent dose. C) Effective dose. D) Exposure.
5. In categorizing the biologic effects of radiation, erythema and mucositis are best described as examples of:
10. The term used to compare the biologic effects of different types of ionizing radiation on living tissues and organs is the: A) Effective dose. B) Equivalent dose. C) Exposure. D) Absorbed dose.
A) Cumulative effects. B) Deterministic effects. C) Stochastic effects. D) Excitation effects.
104
EliteLearning.com/Dental
Powered by FlippingBook