ABR Medical Physics Exam

In digital radiography, what is the Detective Quantum Efficiency (DQE) a measure of?

How efficiently a detector converts incident x-ray quanta into useful image signal relative to an ideal detector The fraction of x-rays absorbed by the detector The dynamic range of the detector The spatial resolution at the detector surface

Correct Answer:

How efficiently a detector converts incident x-ray quanta into useful image signal relative to an ideal detector

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