Test Bank For Radiologic Science for Technologists 12th Ed by Stewart C Bushong ISBN: 9780323661348 Chapter 1-40

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Test Bank For Radiologic Science for Technologists 12th Edition by Bushong Chapter 1-40 [Updated 2025] TEST BANK Chapter 01: Essential Concepts of Radiologic Science Bushong: Radiologic Science for Technologists, 12th Edition MULTIPLE CHOICE 1. Matter is measured in a. kilograms b. joules c. electron volts d. rems . ANS: A Matter is measured in kilograms. 2. Atoms and molecules are the fundamental building blocks of a. energy b. radiation c. matter d. gravity . ANS: C Atoms and molecules are the fundamental building blocks of matter. 3. Ice and steam are examples of two forms of a. matter b. radiation c. energy d. work . ANS: A Ice and steam are examples of two forms of matter. 4. The formula E = mc2 is the basis for the theory that led to the development of a. x-rays b. electromagnetic radiation c. nuclear power d. cathode ray tubes . ANS: C The formula E = mc2 is the basis for the theory that led to the development of nuclear power. 5. Radio waves, light, and x-rays are all examples of a. nuclear b. thermal c. electrical d. electromagnetic ANS: D energy. Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the spectrum. 6. A moving object has a. potential b. kinetic c. nuclear d. electromagnetic energy. ANS: B A moving object has kinetic energy. 7. What is the removal of an electron from an atom called? a. Ionization b. Pair production c. Irradiation d. Electricity ANS: A The removal of an electron from an atom is called ionization. 8. Ionizing radiation is capable of removing matter. a. neutrons b. protons c. electrons d. ions from atoms as it passes through the ANS: C Ionizing radiation is capable of removing electrons from atoms as it passes through the matter. 9. The energy of x-rays is _ a. thermal b. potential c. kinetic d. electromagnetic . ANS: D X-rays are a form of electromagnetic energy. 10. The biggest source of man-made ionizing radiation exposure to the public is a. b. c. d. . atomic fallout diagnostic x-rays smoke detectors nuclear power plants ANS: B Medical x-ray exposure is the biggest source of man-made radiation. 11. In the United States, we are exposed to natural environment. a. 0 to 5 b. 5 to 20 c. 20 to 90 _ mSv/year of ionizing radiation from the d. 100 to 300 ANS: A We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources in the United States. 12. Today, radiology is considered to be a(n) a. safe b. unsafe c. dangerous d. high-risk occupation. ANS: A Today, radiology is considered to be a safe occupation because of effective radiation protection practices. 13. a. b. c. d. is a special quantity of radiologic science. Mass Velocity Radioactivity Momentum ANS: C Radioactivity is a special quantity of radiologic science. 14. What does ALARA mean? a. All Level Alert Radiation Accident b. As Low As Reasonably Achievable c. Always Leave A Restricted Area d. As Low As Regulations Allow ANS: B ALARA means As Low As Reasonably Achievable. 15. Computed tomography was developed in the a. 1890s b. 1920s c. 1970s d. 1990s ANS: C Computed tomography was developed in the 1970s. 16. Filtration is used to . a. absorb low-energy x-rays b. remove high-energy x-rays c. restrict the useful beam to the body part imaged d. fabricate gonadal shields ANS: A Filtration is used to absorb low-energy x-rays. .