The radioactive isotope mercury-197 is used in medical imaging as indicated on the table above. If 57.7 milligrams of mercury-197 is administered to a patient, how many milligrams are left in the body after 128.2 hours? mg

Chemistry
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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¹C
18F
51 Cr
50Fe
Ga
Se
81mKr
Sr
99m Tc
1331
19Hg
20171
Some Radioactive Isotopes Useful in Medical Imaging
Mode of
Decay
Isotope
Carbon-11
Fluorine-18
Phosphorus-32
Chromium-51
Iron-59
Gallium-67
Selenium-75
Krypton-81m
Strontium-81
Technetium-99m
Iodine-131
Mercury-197
Thallium-201
B+, Y
B+
, Y
B
E.C., y
B, Y
E.C., Y
E.C., Y
Y
В
Y
B, Y
E.C., Y
E.C., Y
Half-life
20.3 m
109 m
14.3 d
27.7 d
44.5 d
78.3 h
118 d
13.3 s
22.2 m
6.01 h
8.04 d
64.1 h
3.05 d
Use in Medical Imaging
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
Pancreas scan
Lung ventilation scan
Scan for bone diseases, including cancer
Brain, liver, kidney, bone scans; diagnosis of damaged heart muscle
Diagnosis of thyroid malfunction
Kidney scan
Heart scan and exercise stress test
The radioactive isotope mercury-197 is used in medical imaging as indicated on the table above. If 57.7 milligrams of mercury-197
is administered to a patient, how many milligrams are left in the body after 128.2 hours?
mg
Transcribed Image Text:¹C 18F 51 Cr 50Fe Ga Se 81mKr Sr 99m Tc 1331 19Hg 20171 Some Radioactive Isotopes Useful in Medical Imaging Mode of Decay Isotope Carbon-11 Fluorine-18 Phosphorus-32 Chromium-51 Iron-59 Gallium-67 Selenium-75 Krypton-81m Strontium-81 Technetium-99m Iodine-131 Mercury-197 Thallium-201 B+, Y B+ , Y B E.C., y B, Y E.C., Y E.C., Y Y В Y B, Y E.C., Y E.C., Y Half-life 20.3 m 109 m 14.3 d 27.7 d 44.5 d 78.3 h 118 d 13.3 s 22.2 m 6.01 h 8.04 d 64.1 h 3.05 d Use in Medical Imaging 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 Pancreas scan Lung ventilation scan Scan for bone diseases, including cancer Brain, liver, kidney, bone scans; diagnosis of damaged heart muscle Diagnosis of thyroid malfunction Kidney scan Heart scan and exercise stress test The radioactive isotope mercury-197 is used in medical imaging as indicated on the table above. If 57.7 milligrams of mercury-197 is administered to a patient, how many milligrams are left in the body after 128.2 hours? mg
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