BIO 246 final review

Occupational effective dose limits have been set for

• the whole body

• only internal organs

• individual parts- eyes, hands, skin, etc.

• only the skin

What is the purpose of optimization?

• to reduce patient dose

• to set safety standards

• to enforce safety standards

• to protect the environment

Which organizations are in charge of EfD recommendations?

• International Commission on Radiation Protection (ICRP)

• National Council on Radiation Protection and Measurements (NCRP)

• Environmental Protection Agency (EPA)

• US Food and Drug Administration (FDA)

Which term refers to "whole body"?

• Stale

• Stochastic

• Somatic

• Stenosis

What did the 1990 BEIR V Report examine?

• Effects of high levels of radiation

• Effects of low levels of radiation

• Effects of high LET radiation

• Effects of low LET radiation

What are goals of an Radiation Safety Committee (RSC)?

• Decrease repeats

• Increase patient dose

• Increase safety of rad workers

• Appoint an RSO

Who can be a Radiation Safety Officer (RSO)?

• Medical physicist

• Radiologist

• A qualified person who has gone through training

• A regular staff technologist

Code of Standards for diagnostic x-ray equipment includes?

• Minimum filtration

• Use of compensating filters

• Use of grids

• Back-up timers

The graphic model for the optimization concept is shown?

• Non linear

  threshold

• Linear

  non threshold

• Linear threshold

• Non linear

  non threshold

Radiologic technologist have an?

• Increased occupational risk

• Decreased occupational risk

• On par risk with other relatively safe occupations

• Severe occupational risk