Nuclear Medicine Registry Review – Flashcards
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3.7 x 10^10 Bq =
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1 Ci
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1 rad =
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0.01 Gy
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1 Gy =
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100 rad
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1 rem =
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0.01 Sv
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1 Sv =
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100 rem
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1 mCi =
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37 mBq
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Another name for mertiatiade is...
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MAG3
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Another name for mercaptoacetyl triglycine is...
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MAG3
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What type kidney imaging is MAG3 used for? (Two words)
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tubular secretion
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Another name for pentatate is...
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DTPA
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What type of kidney imaging is DTPA used for?
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GFR
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Another name for succimer is...
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DMSA
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What type of kidney imaging is DMSA used for? (Two answers / Three words)
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cortical and parenchymal
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Another name for glucoheptonate is...
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gluceptate
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What type of kidney imaging is gluceptate used for? (Three words)
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renal flow function
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Gluceotate is like DTPA so it can be used for GFR imaging. T or F.
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F
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What else can gluceptate image other than kidneys? (Two words)
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brain imaging
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Gluceptate crosses the BBB. T or F.
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F
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Bicisate and neurolite are other names for?
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ECD
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Exametazine and ceretec are other names for?
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HMPAO
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If looking at the BBB, you will not see gray/white matter. T or F.
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T
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If crossing the BBB, will there be more gray matter or white matter? (Two words)
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gray matter
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What causes the flare phenomenon? (Two words)
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recent chemotherapy
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What does recent radiation therapy appear as on imaging? (Two words)
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cold spot
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What do heterogeneity, thyroid scanning, and children all have in common? (Three words)
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Uses pinhole collimator
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What three radiopharmaceuticals are boiled during prep? (Five words)
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sulfur colloid, sestamibi, and MAG3
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T1/2 of Technetium
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6.02 hours
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T1/2 of Thallium 201
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74 hours
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T1/2 of Xenon
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5.2 days
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T1/2 of Iodine 123
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13.2 hours
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T1/2 of Iodine 131
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8.02 days
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T1/2 of Gallium 67
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78 hours
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Activity limit for major spill of I-131
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1 mCi
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Activity limit for major spill of Tc99m
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100 mCi
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Activity limit for major spill of Sr 89
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1 mCi
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Activity limit for major spill of I-123
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10 mCi
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Activity limit for major spill of Sm 153
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10 mCi
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Activity limit for major spill of Th 201
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100 mCi
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Activity limit for major spill of Ga 67
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10 mCi
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Activity limit for major spill of In 111
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10 mCi
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Activity limit for major spill of Sr 89
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1 mCi
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T1/2 of Indium 111
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67 hours
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T1/2 of Carbon 11
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20 minutes
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T1/2 of Nitrogen 13
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10 minutes
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T1/2 of Oxygen 15
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2 minutes
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T1/2 of Fluorine 18
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110 minutes
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Energy of Carbon 11
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511 keV
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Energy of Oxygen 15
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511 keV
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Energy of Nitrogen 13
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511 keV
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Energy of Fluorine 18
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511 keV
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Energy of Indium 111 (Two energies)
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173 and 247 keV
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Energy of Gallium 67 (Four energies)
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93, 184, 296, and 385 keV
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Energy of Iodine 131
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364 keV
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Energy of Iodine 123
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159 keV
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Energy of Thallium 201 (X-ray and gamma)
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68-80 keV and 167 keV
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Energy of Cobalt 58
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811 keV
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Best imaging agent to use for active GI bleeds
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Sulfur colloid
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Best imaging agent to use for inactive GI bleeds
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tagged RBC's
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Radiopharmaceutical used for Meckle's
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pertechnetate
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Which two radiopharmaceuticals can be used for LeVeen shunt patency?
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Sulfur colloid or MAA
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Which radiopharmaceutical is used for hepatic artery perfusion?
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MAA
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Which radionuclides act as potassium analogs?
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Rubidium and thallium
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Free Tc on a bone scan will show in what two organs?
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thyroid and gastric mucosa
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Excess alumina will show in which organ?
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Liver
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What is "hot" PYP used to image?
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infarct avid
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What types of studies use "cold" PYP?
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Any study that uses tagged RBC's
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What acts as an iron/transferrin analog?
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Gallium
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When imaging with Ga, what is scanned at 24 hours?
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Sarcoidosis
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When imaging with Ga, what is scanned at 48 hours?
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Infection
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When imaging with Ga, what is scanned at 72 hours?
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Tumors
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When using the ITLC strip, where on the strip is free Tc found?
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Solvent front
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When using the ITLC strip, where on the strip is hydrolized reduced found?
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Origin
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What can be used to image direct VCUG?
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Sulfur colloid or DTPA
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What can be used to image indirect VCUG?
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DTPA or MAG3
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What does VCUG stand for?
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vesicoureteral cystourethrogram
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Intraoperative probes can be used to detect what 3 things?
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melanoma's, parathyroid adenoma's, and breast
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Sestamibi uptake in tumors is related to?
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Mitochondria uptake
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White 1 at surface:
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0.5 mR/hr
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White 1 at 1 meter:
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background
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Yellow 1 at surface:
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50 mR/hr
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Yellow 1 at 1 meter:
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1 mR/hr
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Yellow 2 at surface:
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200 mR/hr
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Yellow 2 at 1 meter:
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10 mR/hr
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Tc99m is produced by a(an)...
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reactor
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I-125 is produced by a(an)...
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reactor
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I-131 is produced by a(an)...
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reactor
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Xe-133 is produced by a(an)...
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reactor
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Cr-51 is produced by a(an)...
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reactor
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Sr-89 is produced by a(an)...
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reactor
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Sm-153 is produced by a(an)...
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reactor
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P-32 is produced by a(an)...
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reactor
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I-123 is produced by a(an)...
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accelerator
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Ga-67 is produced by a(an)...
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accelerator
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In-111 is produced by a(an)...
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accelerator
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Th-201 is produced by a(an)...
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accelerator
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Rb-82 is produced by a(an)...
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generator
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"Caution: Radiation Area" needs to be displayed if a person can get exposed to how much in 1 hour at 30 centimeters?
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5 mrem
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"Caution: High Radiation Area" needs to be displayed if a person can get exposed to how much in 1 hour at 30 centimeters?
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100 mrem
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"Grave Danger: Very High Radiation Area" needs to be displayed if a person can get exposed to how much in 1 hour at 1 meter?
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500 rad
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Whole body (TEDE) occupational exposure in one year is...
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5 rem
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Lens of eye (LDE) occupational exposure in one year is...
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15 rem
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Any organ or tissue occupational exposure in one year is...
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50 rem
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Skin or any extremity (SDE) occupational exposure in one year is...
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50 rem
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Member of the general public exposure in one year is...
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0.1 rem
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Embryo/fetus occupational exposure during pregnancy is...
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0.5 rem
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Tagged red blood cells for a MUGA scan is an example of...
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compartmental localization
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MAA for lung perfusion imaging is an example of...
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capillary blockade
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I-123 for a thyroid uptake and scan is an example of...
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active transport
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A liver scan with sulfur colloid (which is taken up by the Kupfer cells) is an example of...
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phagocytosis
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MDP for a bone scan is an example of...
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ion exchange or chemoabsorption
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Spleen imaging is an example of...
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cell sequestration
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White blood cell studies are examples of...
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chemotaxis
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Aerosol studies with xenon or a ventilation study with DTPA is an example of...
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passive diffusion
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Octreoscans are examples of...
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receptor binding/antigen antibody
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Scans using FDG are an example of...
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metabolism
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What does the p-wave on an EKG represent?
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atrial depolarization
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What does the QRS segment represent on an EKG?
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ventricular depolarization
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What does the t-wave represent on an EKG?
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ventricular repolarization
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How often does constancy on a dose calibrator need to be done?
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daily
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How often does accuracy on a dose calibrator need to be done?
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annually
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How often does geometry on a dose calibrator need to be done?
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at installation
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How often does linearity on a dose calibrator need to be done?
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quarterly
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Activity limit for a major spill of 32-P
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1 mCi
