Ramer Â· Alavi Nuclear Medicine Technology

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14 Non-Imaging Procedures and Radionuclide Therapy 14332) A patient has a 6 hour thyroid uptake of 25%, andreceives a 20 µCi dose of 131 I for a thyroid uptake priorto radioiodine therapy. What will the concentrationof activity in the patient’s thyroid gland be at 6 hoursif his thyroid weighs 45 grams.a. 11 mCi/gmb. 11 µCi/gmc. 0.11 µCi/gmd. 1.1 µCi/gm33) Which of the following make 131 I suitable for therapy?a. uptake in thyroid tissue regardless of functionb. alpha emissionsc. short half lifed. beta emissions34) Alternatives to radioiodine therapy for patients withhyperthyroidism are:a. surgeryb. antithyroid drugsc. thyroid stormd. all of the abovee. a and b only35) The wash method of labeling red blood cells for thedetermination of red cell volume involves repeatedcentrifugation of the collected sample. The advantageof this technique is that:a. anticoagulants are unnecessaryb. free chromate ion is removedc. the use of expensive ascorbic acid is avoidedd. less 51 Cr can be used
14414 Non-Imaging Procedures and Radionuclide Therapy36) If a technologist mistakenly administers 32 P chromicphosphate intravenously, what is likely to be the result:a. the urine will be bluish green for about a weekb. severe radiation damage to the liverc. hypothyroidism will occur within one yeard. none of the above37) Discharge instructions for a patient who underwenttherapy with 131 I may include all of the following except:a. patient encouraged to increase fluids and voidfrequentlyb. patient should avoid close contact with othersc. patient should collect excreta and store for 10 halflivesd. patient should flush toilet at least twice after use38) A survey taken at one meter from a patient who received35 mCi of 131 I revealed a dose rate of 9 mrem/hr.If the survey made 24 hours later shows 6.9 mrem/hr,what is the remaining dose in the patient, and can heor she be discharged?a. 27 mCi, yesb. 27 mCi, noc. 4.3 mCi, yesd. 4.3 mCi, noe. cannot be determined from the information given39) The NRC requires 131 I therapy patients to have privaterooms, although they may share a bathroom with others.a. trueb. false
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Table of Contents1 Introduction . .
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21 IntroductionIn response to all o
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42 Radioactivity, Radiopharmacy, an
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122 Radioactivity, Radiopharmacy, a
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3 Radiation Safety1) Which of the f
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223 Radiation Safety9) Which of the
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243 Radiation Safety18) If the expo
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263 Radiation Safety25) What is the
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283 Radiation Safety33) A technolog
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303 Radiation Safety42) What length
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324 Instrumentation and Quality Ass
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485 Image Presentation and Computer
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505 Image Presentation and Computer
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6 Skeletal System Scintigraphy1) Wh
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546 Skeletal System Scintigraphy10)
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7 Central Nervous System Scintigrap
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647 Central Nervous System Scintigr
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708 Cardiovascular System Scintigra
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9 Respiratory System Scintigraphy1)
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889 Respiratory System Scintigraphy
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909 Respiratory System Scintigraphy
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Ramer Â· Alavi Nuclear Medicine Technology

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