Penumbra is ____ when the beam restrictor is at a/an ____ distance from the port.
A)reduced; increased
B)reduced; decreased
C)unchanged; increased
D)increased; increased

Question

Quizplus · Accepted Answer

Penumbra is reduced when the beam restrictor is at an increased distance from the port because this configuration allows for a more focused and precise beam, reducing the spread of the X-ray beam at its edges.

Penumbra Is ____ When the Beam Restrictor Is at A/an