Which of the following is/are included in the code of standards that went into effect in 1974 for diagnostic x-ray equipment? Inclusion of manual backup timers for AEC exposures Positive beam limitation A required number of protective lead aprons per fluoroscopic unit Presence of “beam on” indicators to give visible warnings when x-ray exposures are in progress
According to the code of standards for diagnostic x-ray equi…
According to the code of standards for diagnostic x-ray equipment, exposure reproducibility is defined as:
What is the permissible equivalent dose to the lens of the e…
What is the permissible equivalent dose to the lens of the eye for the public?
A radiation worker received an occupational dose of 3 mSv, a…
A radiation worker received an occupational dose of 3 mSv, a natural background dose of 2 mSv, and had 50 mSv from personal medical exams during the year. The total occupational dose of radiation this person received during the year is:
Which of the following terms is defined as a level of radiat…
Which of the following terms is defined as a level of radiation that is recommended as an upper boundary dose that will result in a negligible risk of bodily injury or genetic damage?
To minimize skin exposure to electrons produced by photon in…
To minimize skin exposure to electrons produced by photon interaction with the collimator, the patient’s surface should be at least ____ below the collimator.
According to the NCRP recommendations for occupational worke…
According to the NCRP recommendations for occupational workers, the annual equivalent dose for the localized areas of the skin, hands, and feet are:
Identify each of the following radiation-induced responses t…
Identify each of the following radiation-induced responses to it’s corresponding classification. Each response may be used more than once.
Occupational risk to a radiographer from radiation exposure…
Occupational risk to a radiographer from radiation exposure is estimated to be a _____ chance of a fatal accident over an entire career.
Which of the following statements is true in regards to stoc…
Which of the following statements is true in regards to stochastic effects?