The small focal spot should be used with every examination to produce the best recorded detail and spatial resolution.

Question

Quizplus · Accepted Answer

Although the small focal spot size should be used whenever possible,there are examinations that require exposures so high (lateral lumbar spine for example)that the small cathode filament and focal spot cannot handle the heat and the large filament and focal spot must be used.

The Small Focal Spot Should Be Used with Every Examination