Chapter 32: Cellular Radiobiology

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MULTIPLE CHOICE 1. Irradiation hits occur through _____. a. indirect effects b. direct effects c. excitation events d. both A and B ANS: D Irradiation hits occur through both indirect and direc... t effects. DIF: Moderate REF: page 495 OBJ: Describe the principles of target theory. 2. According to target theory, the target molecule of a cell is _____. a. any molecule in the cell b. the DNA in the nucleus c. a water molecule d. a protein macromolecule ANS: B According to target theory, the target molecule of a cell is the DNA in the nucleus. DIF: Moderate REF: page 495 OBJ: Describe the principles of target theory. 3. A target molecule that is _____ will always cause cell death. a. inactivated b. damaged c. hit d. ionized ANS: A A target molecule that is inactivated will always cause cell death. DIF: Moderate REF: page 495 OBJ: Describe the principles of target [Show More]

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