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RAD107 EXAM 2

QuestionAnswer
When light arrives at the retina, it is detected by the _____________ Rods and cones
Receiver operating characteristic curves is a decision matrix used for ___________________. decision-making by the radiologist
Light incident on the eye must first pass through the _________________. cornea
Higher object contrast is required for image perception under high illuminance. False
Visual accommodation is a term related to changes we make voluntarily and involuntarily in order to improve our image perception. true
Visual acuity is highest in the central portion of the retina. true
The process of matching any worker to the work environment in order to maximize efficiency is ergonomics. true
Temporal accommodation restricts the frame rate for digital fluoroscopy to 2 images/s. false
The interpretation of a digital medical image by a radiologist is a two-step process; _________________ followed by ______________. global impression, visual search
SMPTE stands for the _____________________________________ Society of Motion Picture and Television Engineers
Most of the quality control testing of digital display devices is performed with the use of _______________ test patterns. AAPM TG18
The Task Group Report 18 is a procedure manual for _____________________. testing digital display devices
Specular reflection can be tested with the _______________. I. TG18-AD pattern II. ambient light turned on III. ambient light turned off TG18-AD pattern and ambient light turned on and off
There are _______ types of photometers commonly used. two
Daily quality control testing is done by the medical physicist. false
Specular reflection is reduced with the use of __________________. improved antireflective coating
Digital display reflections and ambient light conditions are assessed with a(n) ________________. illuminance meter
Created by: rbats
 

 



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