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What is a strength of selected-response items?
Scared
A feeling of fear or anxiety often prompted by a perceived threat.
Positron Emission Tomography
A diagnostic imaging technique that utilizes radioactive tracers to visualize and measure changes in metabolic processes, and blood flow in the body.
Radioactive Compound
A chemical substance in which at least one atom has an unstable nucleus, emitting radiation during its decay to a stable form.
Tracer
refers to a substance used in various scientific and medical fields to track the passage through or the location within a system, often marked with a radioactive or fluorescent tag.
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