Exam 13: Screen-Film Radiographic Technique

Beam quantity is improved when the __________ is increased, but __________ has no effect on beam quantity.

Changes in kVp affect _____________.

In a variable kVp technique chart, the optimal mAs is set for each body part and there is a _____ kVp increase for each cm of thickness.

When only the optical density needs to be changed, only the _______ should be adjusted.

A radiograph with a long scale of contrast will have ________ latitude and ________ contrast.

Patient thickness should be measured with the _______.

Which technique would give the highest patient dose?

Added filtration has the effect of __________ the beam quality and ________ patient dose.

A _____% increase in kVp has the same effect on optical density as doubling the mAs.

What are the four primary exposure factors?

A variable mAs technique chart has a set kVp and specific mAs settings for ________________.

At least a _____% change in mAs is necessary to produce a visible change in optical density.

Beam penetrability is increased if ________ is/are increased.

If mAs is increased from 20 mAs to 40 mAs, the patient dose will _____________.

There is a direct relationship between the quantity of x-rays and the _______________.

An increase in mAs causes ______________ in beam quality and ___________ in beam quantity.

A radiograph is taken using 75 kVp @ 20 mAs. Which change in technique would increase contrast but maintain the same density?

The small focal spot will provide a _______. I. higher quality x-rays beam II) greater quantity of x-rays III) finer detail of image

A radiograph taken using 65 kVp @ 10 mAs is too light. Which technique would double the optical density while producing a wider scale of contrast?

Sharpness of detail can be improved by increasing _________.