What are some examples of radioisotopes used as medical tracers?
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What does a gamma camera do?
A gamma camera detects the gamma photons emitted from a medical tracer to produces an image.
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What is the function of a photomultiplier tube?
To produce an electrical signal from a single photon of visible light.
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Give one advantage of a gamma camera over an X-ray.
Gamma scans can be used to diagnose the function of the body rather than just imaging the flesh and bone.
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