Physics Chapter 37 & 38

Front 1

refers to antique phototiming devices and the ionization chambers currently in use

Back 1

AEC and AED

Front 2

AECs have been popular since their inroduction by

Back 2

Russell H. Morgan in 1942

Front 3

the ionization chamber is designed for a single purpose

Back 3

automatic exposure control

Front 4

the single function of an AEC is to eliminate the need for the radiographer to set an

Back 4

exposure time

Front 5

What factors must be set manually for AEC

Back 5

mA and kVp

Front 6

When using an AEC the ____ of the ionization chambers be determined and the ____ of tissue is over the location

Back 6

location, positioning

Front 7

the most critical element in using AECs is the exact position of the

Back 7

ionization chambers

Front 8

provide diagnostic quality exposures only for structures positioned directly above the ionization chambers

Back 8

AED

Front 9

The most important fact to remember when using AED is that

Back 9

the art of using AECs is the art of positioning

Front 10

ionization chamber AECs are usually in a ___ - ____ configuration

Back 10

3 chamber

Front 11

the center chamber is usually below the

Back 11

duodenum and transverse colon

Front 12

the left and right chambers are away from the mediastinum and completely within the

Back 12

lobes of the lungs during a chest xray