Chapter 10: Dose Limits

What must facilities providing imaging services have?

Which oversees the nuclear energy industry?

The risk to a radiographer is estimated to be a ___ percent change of a fatal accident over an entire career.

For probabilistic effects, what is proportional to the dose of ionizing radiation?

North Carolina is an agreement state.

If a occupationally exposed person is 62 years old, what is their CumEfD in mSv?

A radiation worker's lifetime effective dose is the individual's age in years times ______.

What is the annual occupational effective dose limit?

What is the EqD for the lens of the eye for the general public?

What year did the NCRP provide the principle that radiation exposures should be kept "as low as reasonable achievable"?

The code of standards for diagnostic x-ray equipment went into effect on August 1st, _____.

Hospitals typically establish internal ________ which are usually 1/10th of the annual dose limit.

Which org. evaluates human and environmental exposure and derives radiation risk assessments from data and research?

What is another term for nonstochastic effects?

Which of the following is NOT a regulatory agency?

Which effects are directly related to the dose received?

__ facilitates the development and enforcement of regulations pertaining to the control of radiation in the environment?

A ___ must be established for a facility and there must be a ___ selected to oversee the program's daily operation.

What is the annual EfD for continuous or frequent exposure of the general public?

NAS/NRC-BEIR reviews studies of biologic effects of radiation and risk assessment and provides the info to organizations

What year did the US Congress pass the Radiation Control for Health and Safety Act?

Risk in medical imaging is the possibility of inducing a radiogenic cancer or genetic defect after irradiation.

Which organization evaluates information on biologic effects of radiation and provides recommendations on limits?

What did the Radiation Control for Health and Safety Act do?

Which dose-response curve is used to express the ALARA concept?

Stochastic effects are nonthreshold and randomly occurring.

Which organization reviews regulations formulated by the ICRO and decides how to include them in the US?

Which is a monitoring agency in places of employment?

___ regulates the design and manufacture of x-ray equipment?

What is the EqD to the embryo/fetus for the entire gestation?

What is the annual EfD for education and training exposures?

In 1991, the ICRP recommended that the annual EfD limit for occupational exposed persons be reduced from 50 to 20 mSv.

What is the EqD for occupational exposure of localized areas of the skin, hands, and feet?

The Consumer-Patient Radiation Health and Safety Act was established in ____.

Radiation hormesis is a concept that there's a beneficial result from continuing exposure to small amounts of radiation.

What is the monthly EqD for embryo/fetus?