1313 Unit 5 Quizizz

What terminates the exposure when using AEC

• Sufficient x-rays detected by the PMT

• Predetermined current measured by the ion chamber

• Predetermined mAs generated by the photodiode

• Suficient x-rays detected by the anode

In order to become familiar with manual technical factors (i.e., setting mAs and kVp and not using AEC), it is very helpful to pay attention to the:

• exposure time

• heat units

• mAs readout

• patient's breathing

When determining if exposure technique should be adjusted for a small or large patient, it is best to use:

• AEC

• Calipers

• Visual inspection

• Positioning grids

Where does a radiographer find the established guidelines for selecting exposure factors for a radiographic examination?

• Exposure Technique Chart

• Generator control panel

• AEC

• Examination requisition

Exposure time will ______ when using AEC when patient thickness decreases.

• increase

• decrease

• remain the same

• double

With DR imaging, it is not necessary to precisely align the part, CR, and IR, when using AEC.

• True

• False

When using a fixed kVp-variable mAs technique chart, if part thickness increases by 5 cm, what needs to happen to the mAs?

• It should be halved

• It should be doubled

• It should be quartered

• It should be tripled

A variable kVp-fixed mAs chart may be most effective with:

• geriatric patients

• trauma patients

• pediatric patients

• patients imaged with mobile equipment

What happens when an outside detector is selected for an AP thoracic spine?

• The spine will have insufficient contrast

• The spine will be underexposed

• The spine will be overexposed

• The spine will be saturated

A manual technique exposure longer than the system's minimum response time will result in a/an _____________ image.

• Overexposed

• Underexposed

• Sufficiently Exposed