Chapter 8 9 33 Jeopardy Template

Basic Functions of AEC	Utilization of Ionization Chambers	Factors That Influence AEC	True or False?	skills of patient positioning.
100 What is the main function of AEC? To eliminate the need to set time.	100 What ionization chamber is used for an AP Lumbar? The Center Cell	100 _______ and _________ are two important factors to consider when using AEC. Patient positioning and Detector selection	100 Image receptor system speed is a factor that influences radiographic density. True	100 The use of a wider collimation can cause what in increased scatter radiation
200 What does the radiographer lose control over when using AEC? mAs	200 What ionization chamber is used for an AP Abdomne? All three Cells	200 If mA increases, exposure time _______ Decreases	200 There is a law that requires generators to automatically terminate AEC exposures 900 mAs above 50 kVp. False (600 mAs)
300 How many ionization chambers are usually used for AEC? Three	300 What ionization chamber is used for an AP Hip? The Center Cell	300 What is the relationship between mA and exposure time? Inverse	300 Patients with orthopedic implants pose a problem when using AEC. true
400 What does AEC stand for? Automatic exposure control	400 What ionization chamber is used for a PA Chest? The Left and Right outer cells	400 What is the effect of increased patient thickness on AEC? Causes distortion	400 Contemporary AEC sytems work on the x-ray property causing certain crystals to fluoresce. False (Causing ionization of gases)
500 When more than one ionization chamber is used, the signal is? Averaged	500 What ionization chamber is used for a Lateral Chest? The Center Cell	500 What is the typical backup time set at for most AECs? 150%	500 When not using a Bucky, an unusually long exposure results because the detectors are not being exposed to radiation. True

Chapter 8, 9, 33

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