30. Name any two radioactive isotopes commonly used in nuclear medicine.31. What type of disease can be conveniently studied using xenon-133 as atracer?32. What device uses magnetic and electric fields to create high-energycharged particles?33. What is the term that describes the amount of radiation attributable toour everyday surroundings?34. What is a film badge?35. Which radioactive element is found in some indoor air?36. What term represents the dosage of toxic material needed to kill 50% ofthe exposed population in 30 days?37. Who discovered, in 1896, that uranium ore emits radiation?A. CurieB. BecquerelC. GeigerD. RutherfordE. Roentgen38. Which of the following isotopes has no neutrons?A. H-1 B. H-2 C. H-3 D. He-4 E. C-1239. Which nuclear particle is the same as an He2+ ion?A. alpha B. beta C. gamma D. proton E. electronPage 240. How many protons are contained in one alpha particle?A. 0 B. 1 C. 2 D. 4 E. 641. How many neutrons are contained in an alpha particle?A. 0 B. 1 C. 2 D. 4 E. 642. The symbol He represe nts 24
43. Which radioactive emission is stopped by a few sheets of paper?A. alpha B. beta C. gamma D. proton E. electron44. The symbol e represen ts -1045. Which of the following particles or rays requires barriers of leadand/or concrete for protection?A. alpha B. beta C. gamma D. proton E. electron46. What particle or nucleus X is needed to complete the followingequation:8621084206 + X? Rn Po 47. What particle or nucleus X is needed to complete the followingequation:1940-10 + X? K e A. hydrogen-3B. carbon-14C. argon-40D. potassium-41E. calcium-40Page 348. When the isotope es alpha decay, the product isotope is 83214Bi undergoA.21281Tl B.21279 Au C.21484Po D.21081Tl E.214m83 Bi49. When the isotope es beta decay, the product isotope is 83214Bi undergoA.21584Po B.21279 Au C.21484Po D.
21081Tl E.214m83 Bi