Test Bank For Radiologic Science for Technologists, 12th Edition by Stewart C. Bushong.

Bushong: Radiologic Science for Technologists, 12th Edition Chapter 01: Essential Concepts of Radiologic Science Test Bank MULTIPLE CHOICE 1. Matter is measured in . a. kilograms b. joules c. electron volts d. rems ANS: A Matter is measured in kilograms DIF: Easy REF: page 3 OBJ: Recognize the unit of measurement for matter. 2. Energy is measured in . a. kilograms b. joules c. electron volts d. B or C ANS: D Energy is measured in joules or electron volts DIF: Moderate REF: page 4 OBJ: Recognize the unit of measurement for energy. 3. 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. DIF: Moderate REF: page 3 OBJ: List the fundamental building blocks of matter. 4. 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. DIF: Difficult REF: page 4 OBJ: Describe states of matter. 5. 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. DIF: Difficult REF: page 5 OBJ: Understand the theory of energymass equivalence. 6. Radio waves, light, and x-rays are all examples of a. nuclear b. thermal c. electrical d. electromagnetic energy. ANS: D Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the spectrum. DIF: Difficult REF: page 4 OBJ: List types of electromagnetic energy. 7. A moving object has energy. a. potential b. kinetic c. nuclear d. electromagnetic 00 ANS: B A moving object has kinetic energy. DIF: Moderate REF: page 4 OBJ: Identify various forms of energy. 8. 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. DIF: Moderate REF: page 5 OBJ: Understand ionization of matter. 9. Ionizing radiation is capable of removing from atoms as it passes through the matter. a. neutrons b. protons c. electrons d. ions ANS: C Ionizing radiation is capable of removing electrons from atoms as it passes through the matter. DIF: Moderate REF: page 5 OBJ: Describe the process of ionization by ionizing radiation. 10. The energy of x-rays is . a. thermal b. potential c. kinetic d. electromagnetic ANS: D X-rays are a form of electromagnetic energy. DIF: Difficult REF: page 5 OBJ: List the category of energy of xrays. 11. 00 The biggest source of man-made ionizing radiation exposure to the public is . a. atomic fallout b. diagnostic x-rays c. smoke detectors d. nuclear power plants ANS: B Medical x-ray exposure is the biggest source of man-made radiation. DIF: Difficult REF: page 6 OBJ: Understand the relative intensity of ionizing radiation from various sources. 12. In the United States, we are exposed to mR/year of ionizing radiation from the natural environment. a. 0-5 b. 5-20 c. 20-90 d. 100-300 ANS: C We are exposed to 20-90 mR/yr of ionizing radiation from natural environmental sources in the United States. DIF: Difficult REF: page 6 OBJ: Understand the amount of natural environmental ionizing radiation to which the public is exposed in the United States. 13. The basic quantities measured in mechanics are , , and . a. volume, length, meters b. mass, length, time c. radioactivity, dose, exposure d. meters, kilos, seconds ANS: B The basic quantities measured in mechanics are mass, length, and time. DIF: Easy REF: page 12 OBJ: List the basic quantities measured in mechanics. 00 14. An example of a derived quantity in mechanical physics is a . a. meter b. second c. dose d. volume ANS: D Volume is a derived unit. DIF: Moderate REF: page 12 OBJ: Recognize an example of a derived quantity. 15. is a special quantity of radiologic science. a. Mass b. Velocity c. Radioactivity d. Momentum ANS: C Radioactivity is a special quantity of radiologic science. DIF: Easy REF: page 12 OBJ: Recognize radioactivity as a special quantity of radiologic science. 16. Exposure is measured in units of . a. becquerel b. sieverts c. meters d. grays ANS: D Exposure is measured in units of grays.