Which grid error results in grid cut-off and loss of exposure on the outside edges of the image receptor (IR)?

Penumbra (blur) decreases as

Which one of these types of filters is sometimes shaped like a wedge?

A grid with lead strips that run parallel to each other is a:

The distance between the anatomy being imaged and the focal spot is called:

The inverse square law defines the relationship between distance and:

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

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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?