Some Radioactive Isotopes Useful in Medical Imaging Mode of Decay Isotope Half-life Use in Medical Imaging 20.3 m Brain scan to trace glucose metabolism Brain scan to trace glucose metabolism Detect eye tumors Diagnose albinism, image the spleen and gastrointestinal tract Bone marrow function, diagnose anemias Whole-body scan for tumors Panereas scan Lung ventilation scan Scan for bone diseases, including cancer Brain, liver, kidney, bone scans; diagnosie of damaged heart musele Diagnonis of thyroid malfunction Kidney scan Heart scan and exercise stress test Carbon-11 Fluorine-18 Phosphorus-32 Chromium-51 Iron-59 109 m 14.3 d 27.7 d 44.5 d Cr Fe Ga TSe E.C., y B. Y E.C., Y E.C., y 78.3 h 118 d 13.3 a Gallium-67 Selenium-75 Krypton-81m Strontium-81 Technetium-99m lodine-131 Mercury-197 Thallium-201 Sr Te B. Y E.C., Y E.C., y 22.2 m 6.01 h 8.04 d 64.1h 3.05 d The radioactive isotope gallium-67 is used in medical imaging as indicated on the table above. If 60.3 milligrams of gallium-67 is administered to a patient, how many milligrams are left in the body after 391.5 hours? mg

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Some Radioactive Isotopes Useful in Medical Imaging
Mode of
Isotope
Decay
Half-life
Use in Medical Imaging
B*, Y
B+, y
Carbon-11
Fluorine-18
Phosphorus-32
Chromium-51
Iron-59
Brain scan to trace glucose metabolism
Brain scan to trace glucose metabolism
Detect eye tumors
Diagnose albinism, image the spleen and gastrointestinal tract
Bone marrow function, diagnose anemias
Whole-body sean for tumors
Pancreas scan
20.3 m
109 m
14.3 d
P
Cr
Fe
Ga
Se
BleKr
1Sr
Te
E.C., y
В, у
E.C., y
E.C., Y
27.7 d
44.5 d
Gallium-67
Selenium-75
Krypton-81m
Strontium-81
Technetium-99m
Iodine-131
Mercury-197
Thallium-201
78.3 h
118 d
13.3 s
22.2 m
6.01 h
8.04 d
64.1 h
3.05 d
Lung ventilation scan
Sean for bone diseases, including cancer
Brain, liver, kidney, bone scans; diagnosis of damaged heart muscle
Diagnosis of thyroid malfunction
Kidney scan
Hg
20!TI
В, у
E.C., y
E.C., y
Heart scan and exercise stress test
The radioactive isotope gallium-67 is used in medical imaging as indicated on the table above. If 60.3 milligrams of gallium-67 is administered to a patient, how many milligrams are
left in the body after 391.5 hours?
mg
Transcribed Image Text:Some Radioactive Isotopes Useful in Medical Imaging Mode of Isotope Decay Half-life Use in Medical Imaging B*, Y B+, y Carbon-11 Fluorine-18 Phosphorus-32 Chromium-51 Iron-59 Brain scan to trace glucose metabolism Brain scan to trace glucose metabolism Detect eye tumors Diagnose albinism, image the spleen and gastrointestinal tract Bone marrow function, diagnose anemias Whole-body sean for tumors Pancreas scan 20.3 m 109 m 14.3 d P Cr Fe Ga Se BleKr 1Sr Te E.C., y В, у E.C., y E.C., Y 27.7 d 44.5 d Gallium-67 Selenium-75 Krypton-81m Strontium-81 Technetium-99m Iodine-131 Mercury-197 Thallium-201 78.3 h 118 d 13.3 s 22.2 m 6.01 h 8.04 d 64.1 h 3.05 d Lung ventilation scan Sean for bone diseases, including cancer Brain, liver, kidney, bone scans; diagnosis of damaged heart muscle Diagnosis of thyroid malfunction Kidney scan Hg 20!TI В, у E.C., y E.C., y Heart scan and exercise stress test The radioactive isotope gallium-67 is used in medical imaging as indicated on the table above. If 60.3 milligrams of gallium-67 is administered to a patient, how many milligrams are left in the body after 391.5 hours? mg
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