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The positive beam limiting device (PBL) assures that the x-ray beam is collimated to __________________.

The thickness of absorbing material necessary to reduce the x-ray intensity to half of the original value is called:

What type of shape distortion is present when there is angulation of an image receptor?

According to the inverse square law, when the distance between the x-ray source and the point of measurement (patient, worker, or receptor) increases, the beam quantity will:

Which of the following represents the correct relationship of the central ray to the anatomical part being imaged?

If the OID is 8 inches and the SID is 72 inches, what is the magnification factor?

When an air-gap technique is used, the amount of scatter reaching the image receptor is decreased because:

The problem of unequal subject radiographic density is solved by a

During the exposure, the grid in the bucky: