Automatic Exposure Control Jeopardy Template

POT LUCK	SURF AND TURF	CELLS	TERMINOLOGY
100 What are photo timers? Early versions of AEC technology were called this	100 What is inverse? This is the relationship between receptor speed and exposure mAs.	100 What is the center cell? This ionization chamber is used when using AEC for a lateral chest.	100 What is the center detector only? AP hip
200 What is 1 millisecond? this is the minimum response time of most modern AEC systems.	200 What is averaged? this is the type of signal when more than one ionization chamber is used.	200 What is the center cell? This ionization chamber is used when using AEC for an AP hip.	200 What are density controls? -1, -2, 0, +1, +2
300 What reduces repeats and provides excellent images? a proper clinical history	300 What are all three cells? Most AEC consoles permit activation of these simultaneously.	300 What are all three cells? This ionization chamber is used when using AEC for an AP abdomen.	300 What is an overexposed image? +2 used when N would have been optimum
400 What is increased subject density and contrast? fluid in the lungs can cause this	400 What is time? The single function of an AEC is to eliminate the need to set this	400 What is the center cell? This ionization chamber is used when using AEC for an AP lumbar spine?	400 What is minimum response time? typically 0.001 sec
500 What is minimum response time? the length of time necessary for AEC to respond to the ionization and send a signal to terminate the exposure.	500 What is a three-chamber configuration? Ionization chamber AEC's are usually used in this.	500 What is the left and right outer cells? This ionization chamber is used when using ACE for a PA chest.	500 What is photo timing? Older techs may still refer to this?

AUTOMATIC EXPOSURE CONTROL

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