The radioactive isotope iodine-131 is used in medical imaging as indicated on the table above. If 40.2 milligrams of iodine-131 is administered to a patient, how many milligrams are left in the body after 16.1 days? mg
The radioactive isotope iodine-131 is used in medical imaging as indicated on the table above. If 40.2 milligrams of iodine-131 is administered to a patient, how many milligrams are left in the body after 16.1 days? mg
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter19: The Nucleus: A Chemist's View
Section: Chapter Questions
Problem 2RQ
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Question
7.3
Transcribed Image Text:Some Radioactive Isotopes Useful in Medical Imaging
Mode of
Decay
Isotope
Half-life
Use in Medical Imaging
B+, Y
B*, Y
Carbon-11
20.3 m
F
P
Cr
Fe
SGa
Se
81mKr
Sr
Te
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
Fluorine-18
Phosphorus-32
Chromium-51
109 m
14.3 d
27.7 d
E.C., y
B, Y
Е.С., у
E.C., y
Iron-59
Gallium-67
44.5 d
78.3 h
Selenium-75
118 d
Krypton-81m
Strontium-81
Technetium-99m
Iodine-131
Mercury-197
Thallium-201
13.3 s
22.2 m
6.01 h
В, у
E.C., Y
E.C., y
8.04 d
64.1 h
291TI
3.05 d
The radioactive isotope iodine-131 is used in medical imaging as indicated on the table above.
If 40.2 milligrams of iodine-131 is administered to a patient, how many milligrams are left in
the body after 16.1 days?
mg
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