Ramer Â· Alavi Nuclear Medicine Technology

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4 Instrumentation and Quality Assurance 3728) A camera with three pulse height analyzers will be mostuseful for imaging:a. 99m Tcb. 67 Gac. 111 Ind. 133 Xee. b and d29) A technologist has set a 15% symmetric windowfor a 140 keV photopeak. What will happen to a 158 keVsignal?a. it will be accepted by the pulse height analyzerb. it will be rejected by the pulse height analyzer30) A typical energy spectrum of 99m Tc from a patient containsa broad peak around 90–140 keV that is not presenton the energy spectrum from a point source of the sameisotope. This represents:a. the iodine escape peakb. the signal from 99m Tcc. lead X-ray peakd. Compton scatter31) Image exposure time may be determined by:a. a preset number of countsb. a preset timec. information densityd. all of the above32) Which of the following is measured in millimeters?a. energy resolutionb. spatial resolutionc. field uniformityd. temporal resolution
384 Instrumentation and Quality Assurance33) The spatial resolution of an image is better with aenergy isotope than with a energyisotope.a. higher, lowerb. lower, higher34) If the energy range for 137 Cs at half maximum rangesfrom 620–695, what is the percent energy resolution,and is the system operating within acceptable limits?a. 7.5, nob. 10.8, yesc. 11.3, yesd. 13.5, no35) According to the curve for 137 Cs shown in Figure 4.1,what is the energy resolution of the system?a. 6.9b. 8.2c. 10.5d. 11.6Counts1200011000100009000800070006000500040003000200010000Figure 4.1560 580 600 620 640 660 680 700 720 740 760Energy (keV)
Page 5 and 6: Table of Contents1 Introduction . .
Page 7 and 8: 21 IntroductionIn response to all o
Page 9 and 10: 42 Radioactivity, Radiopharmacy, an
Page 11 and 12: 62 Radioactivity, Radiopharmacy, an
Page 13: 82 Radioactivity, Radiopharmacy, an
Page 17 and 18: 122 Radioactivity, Radiopharmacy, a
Page 25 and 26: 3 Radiation Safety1) Which of the f
Page 27 and 28: 223 Radiation Safety9) Which of the
Page 29 and 30: 243 Radiation Safety18) If the expo
Page 31 and 32: 263 Radiation Safety25) What is the
Page 33 and 34: 283 Radiation Safety33) A technolog
Page 35 and 36: 303 Radiation Safety42) What length
Page 37 and 38: 324 Instrumentation and Quality Ass
Page 41: 364 Instrumentation and Quality Ass
Page 53 and 54: 485 Image Presentation and Computer
Page 55 and 56: 505 Image Presentation and Computer
Page 57 and 58: 6 Skeletal System Scintigraphy1) Wh
Page 59 and 60: 546 Skeletal System Scintigraphy10)
Page 67 and 68: 7 Central Nervous System Scintigrap
Page 69 and 70: 647 Central Nervous System Scintigr
Page 75 and 76: 708 Cardiovascular System Scintigra
Page 91 and 92: 9 Respiratory System Scintigraphy1)
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889 Respiratory System Scintigraphy
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10 Gastrointestinal Tract Scintigra
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9810 Gastrointestinal Tract Scintig
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10010 Gastrointestinal Tract Scinti
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11 Genitourinary System Scintigraph
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10811 Genitourinary System Scintigr
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11812 Neoplasm and Infection Scinti
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13 Thyroid, Parathyroid,and Salivar
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12813 Thyroid, Parathyroid, and Sal
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14 Non-Imaging Proceduresand Radion
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13814 Non-Imaging Procedures and Ra
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15 Patient Care1) Which of the foll
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14815 Patient Care10) Of the follow
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15015 Patient Care18) According to
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16 Mock Examination1) In which radi
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15416 Mock Examination8) A whole bo
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15616 Mock Examination17) The infer
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15816 Mock ExaminationFigure 16.224
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16016 Mock Examination29) Which of
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16216 Mock Examination37) If a pati
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16416 Mock Examination43) A sentine
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16616 Mock Examination53) First pas
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16816 Mock Examination61) What is t
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17016 Mock Examination71) If a SPEC
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17216 Mock Examination79) When inje
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17416 Mock Examination87) To minimi
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Appendix1761.a2.d3.c4.c5.b6.c7.d8.b
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Appendix1781.c2.b3.d4.b5.c6.c7.b8.c
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Ramer Â· Alavi Nuclear Medicine Technology

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