Radiobiology Review

What is efficacy?

• Degree to which a study reveals absence or presence of disease

• Degree to which radiation safety is implement during a study

• Degree to which a diagnosis is accurately made

• Degree to which hand hygiene is followed

BERT stands for:

• Background Equivalent Radiation Time

• Background Equal Radiation Theory

• Background Equivalent Risk Theory

• Sesame Street Character

It is important to modify technical factors for exams on children. Risk is approx. ___ higher for children than adults.

• 5X

• 2x

• 10x

• 3x

What are the 3 cardinal rules of radiation protection?

• Time

• Technical Factors

• Distance

• Shielding

Which type of radiation has a lower frequency?

• Non-ionizing radiation

• Ionizing radiation

Alpha Particles are most dangerous:

• Internally

• Externally

Essentially all effects of low-LET radiation impacts a living cell result from:

• Direct action

• Indirect action

• Alpha and Beta Rays

• Microwaves

What is the largest contributor to background radiation?

• Radon

• Gadolinium

• Granite

• Stars

What is the largest source of exposure to man-made ionizing radiation?

• Airport security scanners

• Medical radiation

• Nuclear power plants

• Suntan Beds

Select all that are true for an ION

• Positive charge

• Negative charge

• Has gained or lost electrons

• No charge