Technical Factors
Useless Information
Radiation Protection
More Rad/Pro
More useless information
100
The Radiographer has control of which technical factors mAs kVp SID All of the above
What is All of the above
100
The first baby boomers turned 60 years old in what year
What is 2006
100
If the peak energy of the X-ray beam is 100 kVp, a protective lead apron must be how many mm thick? 1.5 1.0 0.25 0.5
What is 0.25
100
The principle radiation interaction with the human body is with DNA Macromolecules Water RNA
What is Water
100
During a radiation emergency, at a dose rate of _____ per hour, emergency personnel should wait specific instructions from radiation experts on how to proceed. 0.1 mSv 0.5 mSv 1.0 mSv 5.0 mSv
What is 0.1 mSv
200
Which of the following will affect detail mAs kVp Motion Filtration
What is Motion
200
The long term effect on a dirty bomb are likely to be
What is Minimal
200
During which of the following exams should the radiographer always wear a thyroid shield? Digital X-rays General Diagnostic X-rays Fluoroscopy & special procedures Mobile X-rays
What is Fluoroscopy & special procedures
200
The most radiosensitive macromolecule is Protein mRNA DNA tRNA
What is DNA
200
A ______ response to radiation is directly proportional to the dose received Nonlinear Linear Nonthreshold Threshold
What is Linear
300
One milliampere is equal to .001 amperes .01 amperes .0001 amperes .1 ampere
What is .001 amperes
300
How many amino acids are involved in
What is 22
300
Tissues that are _____ with a _____ metabolic rate are more radiosensitive. Mature , low Immature : High Immature ; Low Mature ; High
What is Immature ; High
300
Which of the following gonadal radiation doses may cause permanent sterility in a human male? 1 rad 100 rad 200 rad 600 rad
What is 600 rad
300
A dose of 1,000 rads given to a patient in 5 doses of 200 rads per day is a _____ Protracted Fractionated Diagnostic Fatal
What is Fractionated
400
All of the following are principles of personal reduction except? Increase the space between source & tech Reduce X-ray exposure time wearing lead apron Standing close to the radiography table during exposure
What is Standing close to the radiography table during exposure.
400
While a patient receiving iodine-131 therapy is hospitalized a large ______ rolling lead shield can be positioned between the patient and any attending personnel for protection.
What is Up to one inch thick
400
In diagnostic imaging the _____ of the optical stimulated luminescence dosimeter makes it ideal for monitoring employees working in a low radiation environment deceased sensitivity lack of sensitivity Increased sensitivity unaffected sensitivity
What is Increased sensitivity
400
Which of the following human beings is most radiosensitive a mature adult The embryo-fetus during the first trimester The fetus during the 3rd trimester a 5 year old child
What is The embryo-fetus during the 1st trimester
400
Tissue is _____ radiosensitive under high oxygen conditions & _____ radiosensitive under hypoxic conditions less; equally less; more more; less more ; equally
What is Less ; more
500
A protracted dose of radiation is given
What is over a long period of time
500
Radioactive material that is attached or associated with dust particles or in liquid form on various surfaces defines the term _______
What is Radioactive Contamination
500
Based on current data, which of the following would be considered a safe radiation dose for the gonads of both females & males 0 rad 100 rad 200 rad 300 rad
What is 0 rad
500
The human dose response relationship at low ranges of radiation is calculated using Known response from low doses extrapolation from high doses human experiments all of the above
What is Extrapolation from high doses
500
Studies of the effects of radiation show that low does may stimulate the immune response limit the life span stimulate new cells be harmful only to those age 8 and under
What is Stimulate the immune response
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