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Questions and Answers
What type of tools are radioactive isotopes often used as in medicine?
Diagnostic tools
How do cells treat radioactive atoms compared to nonradioactive isotopes of the same element?
The same
What is the purpose of injecting radioactively labeled substances into the blood?
To track atoms during metabolism
What is analyzed to diagnose certain kidney disorders?
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What is the role of biologically active molecules in using radioactive isotopes as diagnostic tools?
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How do radioactive isotopes aid in diagnosing kidney disorders?
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What is the primary risk associated with the use of radioactive isotopes?
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How are radioactively labeled substances used in combination with imaging instruments?
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Why are the doses of most isotopes used in medical diagnosis considered relatively safe?
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What is the main difference between radioactive isotopes and nonradioactive isotopes of the same element?
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What is a major environmental threat associated with radioactive isotopes?
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Study Notes
Radioactive Isotopes in Medicine
- Radioactive isotopes are used as diagnostic tools in medicine
- Cells use radioactive atoms in the same way as nonradioactive isotopes of the same element
- Radioactive isotopes are incorporated into biologically active molecules to track atoms during metabolism
Diagnosis of Kidney Disorders
- Kidney disorders are diagnosed by injecting small doses of radioactively labeled substances into the blood
- The labeled substances are then analyzed in the urine to track the tracer molecules excreted
- This process allows for the diagnosis of certain kidney disorders
Radioactive Isotopes in Medicine
- Radioactive isotopes are used as diagnostic tools in medicine to track atoms during metabolism.
- Cells use radioactive atoms in the same way as nonradioactive isotopes of the same element.
- Radioactive isotopes are incorporated into biologically active molecules, which are used as tracers.
Diagnosis of Kidney Disorders
- Kidney disorders are diagnosed by injecting small doses of radioactively labeled substances into the blood.
- Tracer molecules excreted in the urine are analyzed to diagnose kidney disorders.
Use of Radioactive Tracers in Cancer Diagnosis
- Radioactive tracers are used in combination with imaging instruments, such as PET scanners.
- PET scanners monitor growth and metabolism of cancers in the body.
Risks of Radioactive Isotopes
- Radiation from decaying isotopes poses a hazard to life by damaging cellular molecules.
- The severity of damage depends on the type and amount of radiation an organism absorbs.
Environmental Threats
- Radioactive fallout from nuclear accidents is one of the most serious environmental threats.
Safety of Medical Diagnosis
- The doses of most isotopes used in medical diagnosis are relatively safe.
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Description
Radioactive isotopes are used as diagnostic tools in medicine to track atoms during metabolism. They are incorporated into biologically active molecules and used as tracers to diagnose disorders, such as kidney diseases.
