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How can a radioactive tracer be used to locate tumors?
A radioactive tracer is a small amount of radioactive material that can be injected into the body, where it accumulates in specific tissues or organs. In the case of tumors, the tracer is often designed to target cancerous cells that have increased metabolic activity. When scanned with imaging techniques like PET (positron emission tomography), the tracer emits radiation that is detected, allowing doctors to visualize the location and size of the tumor. This method helps in diagnosing cancer and guiding treatment decisions.
Is it true that a radioactive tracer will detect pathology in any body system?
Yes, a radioactive tracer can be used to detect pathology in various body systems, as it allows for imaging and functional assessment of organs and tissues. Different tracers are designed to target specific biological processes, enabling them to reveal abnormalities in areas such as the cardiovascular, neurological, and oncological systems. However, the effectiveness of detection depends on the specific type of pathology and the tracer used.
What is a radioactive tracer and give an example of how one might be used?
A radioactive tracer is a radioactive atom inserted in a compound to see what happens to it in a reaction, usually in biotechnology. For example, to find out where carbon atoms go in photosynthesis, scientists can give the plants carbon dioxide with carbon-14 instead of carbon-12 and track the progress of the carbon-14.
Does all radioactive tracers detect pathology in every body system?
No, radioactive tracers are often specific to certain organs or tissues within the body. Different tracers are used to detect pathology in different body systems based on their biological properties and distribution in the body. It is important to select the appropriate tracer for the specific pathology being investigated.
How much radioactive tracer is injected into the vein for a typical bone scan?
About 1 Mg.
Nuclear medicine uses these to image organs for diagnosis and treatment?
radioactive material called a tracer
Radioactive isotopes that can be followed through a chemical reaction or a industrial process is?
tracer
Would a substance with a one second life be effective as a radioactive tracer?
the dog ate the bacon
Which technique is also known as scintigram?
A scintigram is a diagnostic imaging technique that uses radioactive tracer particles to produce images of organs and tissues in the body. It is also known as a nuclear medicine scan.
Why can a radioisotope be used as a tracer in the human body?
A radioisotope can be used as a tracer in the human body because tracers are used in the imaging the body's organs and tissues.
What is a radioactive tracer Give an example of how one might be used.?
A radioactive tracer is a radioactive atom inserted in a compound to see what happens to it in a reaction, usually in biotechnology. For example, to find out where carbon atoms go in photosynthesis, scientists can give the plants carbon dioxide with carbon-14 instead of carbon-12 and track the progress of the carbon-14.
Would a substance with a one-second half-life be effective as a radioactive tracer?
the dog ate the bacon
