Radiation protection Test 2 Renees class

Exit, or image-formation radiation is composed of which of the following?

noninteracting and small angle scattered photons

Which of the following contributes significantly to the exposure of the radiographer

Compton scattered photons

Which of the following defines attenuation

absorption and scatter 

in the radiographic kilovoltage range, which of the following structures undergoes the most photoelectric absorption 

compact bone 

Which of the following influences attenuation?

1. Effective atomic number of the absorber

2. Mass density

3. Thickness of the absorber

all of the above

An xray is considered a primary beam

before it enters the patients body

The use of contrast medium helps to separate structures of similar appearance on a radiograph. true or false

true

photoelectric absorption is responsible for patient dose and image contrast true or false

true

what absorbs the least of the photoelectric photons 

air

pair production and photodisintengration are both used in diagnostic radiology true or false 

false