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Radt456protect

QuestionAnswer
Who works in a "controlled area"? radiation workers Q&A CD
What does the 10 day rule refer to? One should not image a woman of child bearing age until 10 days after the onset of menstration. Q&A CD
The collimator light must be within what percent of the SID to be accurate? 2% Q&A CD
What is the fetal dose limit for a pregnant radiographer for the entire gestation? .5 rem Q&A CD
Are life span shortening, carcinogenesis, and cataractogenesis late or early effects? late Q&A CD
T/F It is important to ask a female of child bearing age how many x-ray exams she has had in the past 12 months. False Q&A CD
What is the acceptable entrance skin dose for a PA chest? 20 mR Q&A CD
Will changing the exam from an 8:1 grid increase or decrease dose to the patient? Decrease Q&A CD
Where should the control dosimeter be stored? Away from all sources of radiaion Q&A CD
What is the NCRP's limit for annual occupational dose? 50mSv or 5rem Q&A CD
Biologic material is most sensitive to radiation exposure under what condition? oxygenated Q&A CD
WHat effects both the quantity and quality of the primary beam? kV and HVL Q&A CD
If the entrance dose is 320mR, what would the exposure be at 1m from the patient? 0.32mR Q&A CD
WHat are 3 pieces of fluoroscopic equipment that keep unnecessary radiaiton from the patient? protective curtain, filtration, and collimation Q&A CD
If a quantity of radiation is delivered over a short period of time, the effects will be ______ than if it were delivered over a long period of time? greater Q&A CD
Which type of cell is the least radiosensitive? myocytes Q&A CD
Which x-ray interaction is most responsible for patient dose? photoelectric Q&A CD
Which x-ray interaction involves partial transfer of the incident photon energy to the involved atom? Compton Q&A CD
How often should lead be fluoroscoped to check for cracks? annualy Q&A CD
Occupational exposure is most likely from which x-ray interaction? Compton Q&A CD
T/F Late effects have no threshold dose. True Q&A CD
The gradual decrease in exposure rate as an x-ray beam passes through an object. attenuation Q&A CD
What type of cell has the lowest radiosensitivity? muscle or nerve? Nerve Q&A CD
What is the annual TEDE limit for radiaion workers? 50mSv Q&A CD
T/F Room walls and floors are primary radiation barriers? True Q&A CD
Created by: rshildenbr