The bucky slot opening in the side of the table must be automatically covered with _____ mm
Pb during fluoroscopy. - Answer 0.25
The leakage radiation limit for x-ray tubes is less than____mGy/hr at 1 meter from the tube
housing - Answer 1
A secondary barrier is designed to absorb____ radiation...
LRA 216 Final Quiz with 100% Correct Sol utions The bucky slot opening in the side of the table must be automatically covered with _____ mm Pb during fluoroscopy. - Answer 0.25 The leakage radiation limit for x -ray tubes is less than____mGy/hr at 1 meter from the tube housing - Answer 1 A secondary barrier is designed to absorb____ radiation - Answer leakage Scatter The___is used for precise calibration of the output inte nsity of diagnostic x -ray tubes - Answer ion chamber The source -to-skin distance must be no less than___cm on stationary fluoroscopes - Answer 38cm The output intensities of reproduced exposures should not vary more than _____% from each other. - Answer 5% A quantity that reflects both dose and volume of tissue irradiated is the _____ - Answer dose area product Gas-filled radiation detectors are based on the____ - Answer ionization of gas There are no circumstances under which a technologist should be given an involuntary leave of absence due to pregnancy. - Answer True Personnel working in interventional radiography should be provided with _____. - Answer extremity monitoring The tissue weighing factor has a higher value for tissues with more - Answer radiosensitivity Occupational dose is described as - Answer dose equ ivalent A protective apron with a thickness of 0.25 mm lead equivalent is the minimum required - Answer True Technologists working fluoroscopy should use the radiologist as shielding whenever possible in addition to the apron and curtain. - Answer True For nursing personnel present during mobile x -ray imaging, a personnel monitoring device is required _____. - Answer not at all The lowest occupational exposure of diagnostic x -ray personnel occurs during___ - Answer Ct Mammography The lens of the eye sh ould never receive more than____per year - Answer 150mSv (15 rem) Optically stimulated luminescence (OSL) montiors are superior to the thermoluminescence dosimeters in that they are___ - Answer more sensitive to low exposure Every radiology department sh ould provide a radiation safety program that includes: - Answer Training new employees Periodic in -service for all employees Counseling during pregancy The preferred way to hold patients who are unable to support themselves is to use___ - Answer Restrain ing device
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